From 41a58d40928ab6392025af88b54b83a0ad2f37de Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Thu, 30 Oct 2025 11:05:42 +0000
Subject: [PATCH 1/4] chore(internal/tests): avoid race condition with implicit
 client cleanup

---
 tests/test_client.py | 386 ++++++++++++++++++++++++-------------------
 1 file changed, 212 insertions(+), 174 deletions(-)

diff --git a/tests/test_client.py b/tests/test_client.py
index a0e31a991..3122d2f29 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -59,51 +59,49 @@ def _get_open_connections(client: Increase | AsyncIncrease) -> int:
 
 
 class TestIncrease:
-    client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-
     @pytest.mark.respx(base_url=base_url)
-    def test_raw_response(self, respx_mock: MockRouter) -> None:
+    def test_raw_response(self, respx_mock: MockRouter, client: Increase) -> None:
         respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
 
-        response = self.client.post("/foo", cast_to=httpx.Response)
+        response = client.post("/foo", cast_to=httpx.Response)
         assert response.status_code == 200
         assert isinstance(response, httpx.Response)
         assert response.json() == {"foo": "bar"}
 
     @pytest.mark.respx(base_url=base_url)
-    def test_raw_response_for_binary(self, respx_mock: MockRouter) -> None:
+    def test_raw_response_for_binary(self, respx_mock: MockRouter, client: Increase) -> None:
         respx_mock.post("/foo").mock(
             return_value=httpx.Response(200, headers={"Content-Type": "application/binary"}, content='{"foo": "bar"}')
         )
 
-        response = self.client.post("/foo", cast_to=httpx.Response)
+        response = client.post("/foo", cast_to=httpx.Response)
         assert response.status_code == 200
         assert isinstance(response, httpx.Response)
         assert response.json() == {"foo": "bar"}
 
-    def test_copy(self) -> None:
-        copied = self.client.copy()
-        assert id(copied) != id(self.client)
+    def test_copy(self, client: Increase) -> None:
+        copied = client.copy()
+        assert id(copied) != id(client)
 
-        copied = self.client.copy(api_key="another My API Key")
+        copied = client.copy(api_key="another My API Key")
         assert copied.api_key == "another My API Key"
-        assert self.client.api_key == "My API Key"
+        assert client.api_key == "My API Key"
 
-    def test_copy_default_options(self) -> None:
+    def test_copy_default_options(self, client: Increase) -> None:
         # options that have a default are overridden correctly
-        copied = self.client.copy(max_retries=7)
+        copied = client.copy(max_retries=7)
         assert copied.max_retries == 7
-        assert self.client.max_retries == 2
+        assert client.max_retries == 2
 
         copied2 = copied.copy(max_retries=6)
         assert copied2.max_retries == 6
         assert copied.max_retries == 7
 
         # timeout
-        assert isinstance(self.client.timeout, httpx.Timeout)
-        copied = self.client.copy(timeout=None)
+        assert isinstance(client.timeout, httpx.Timeout)
+        copied = client.copy(timeout=None)
         assert copied.timeout is None
-        assert isinstance(self.client.timeout, httpx.Timeout)
+        assert isinstance(client.timeout, httpx.Timeout)
 
     def test_copy_default_headers(self) -> None:
         client = Increase(
@@ -138,6 +136,7 @@ def test_copy_default_headers(self) -> None:
             match="`default_headers` and `set_default_headers` arguments are mutually exclusive",
         ):
             client.copy(set_default_headers={}, default_headers={"X-Foo": "Bar"})
+        client.close()
 
     def test_copy_default_query(self) -> None:
         client = Increase(
@@ -175,13 +174,15 @@ def test_copy_default_query(self) -> None:
         ):
             client.copy(set_default_query={}, default_query={"foo": "Bar"})
 
-    def test_copy_signature(self) -> None:
+        client.close()
+
+    def test_copy_signature(self, client: Increase) -> None:
         # ensure the same parameters that can be passed to the client are defined in the `.copy()` method
         init_signature = inspect.signature(
             # mypy doesn't like that we access the `__init__` property.
-            self.client.__init__,  # type: ignore[misc]
+            client.__init__,  # type: ignore[misc]
         )
-        copy_signature = inspect.signature(self.client.copy)
+        copy_signature = inspect.signature(client.copy)
         exclude_params = {"transport", "proxies", "_strict_response_validation"}
 
         for name in init_signature.parameters.keys():
@@ -192,12 +193,12 @@ def test_copy_signature(self) -> None:
             assert copy_param is not None, f"copy() signature is missing the {name} param"
 
     @pytest.mark.skipif(sys.version_info >= (3, 10), reason="fails because of a memory leak that started from 3.12")
-    def test_copy_build_request(self) -> None:
+    def test_copy_build_request(self, client: Increase) -> None:
         options = FinalRequestOptions(method="get", url="/foo")
 
         def build_request(options: FinalRequestOptions) -> None:
-            client = self.client.copy()
-            client._build_request(options)
+            client_copy = client.copy()
+            client_copy._build_request(options)
 
         # ensure that the machinery is warmed up before tracing starts.
         build_request(options)
@@ -254,14 +255,12 @@ def add_leak(leaks: list[tracemalloc.StatisticDiff], diff: tracemalloc.Statistic
                     print(frame)
             raise AssertionError()
 
-    def test_request_timeout(self) -> None:
-        request = self.client._build_request(FinalRequestOptions(method="get", url="/foo"))
+    def test_request_timeout(self, client: Increase) -> None:
+        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
         timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
         assert timeout == DEFAULT_TIMEOUT
 
-        request = self.client._build_request(
-            FinalRequestOptions(method="get", url="/foo", timeout=httpx.Timeout(100.0))
-        )
+        request = client._build_request(FinalRequestOptions(method="get", url="/foo", timeout=httpx.Timeout(100.0)))
         timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
         assert timeout == httpx.Timeout(100.0)
 
@@ -274,6 +273,8 @@ def test_client_timeout_option(self) -> None:
         timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
         assert timeout == httpx.Timeout(0)
 
+        client.close()
+
     def test_http_client_timeout_option(self) -> None:
         # custom timeout given to the httpx client should be used
         with httpx.Client(timeout=None) as http_client:
@@ -285,6 +286,8 @@ def test_http_client_timeout_option(self) -> None:
             timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
             assert timeout == httpx.Timeout(None)
 
+            client.close()
+
         # no timeout given to the httpx client should not use the httpx default
         with httpx.Client() as http_client:
             client = Increase(
@@ -295,6 +298,8 @@ def test_http_client_timeout_option(self) -> None:
             timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
             assert timeout == DEFAULT_TIMEOUT
 
+            client.close()
+
         # explicitly passing the default timeout currently results in it being ignored
         with httpx.Client(timeout=HTTPX_DEFAULT_TIMEOUT) as http_client:
             client = Increase(
@@ -305,6 +310,8 @@ def test_http_client_timeout_option(self) -> None:
             timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
             assert timeout == DEFAULT_TIMEOUT  # our default
 
+            client.close()
+
     async def test_invalid_http_client(self) -> None:
         with pytest.raises(TypeError, match="Invalid `http_client` arg"):
             async with httpx.AsyncClient() as http_client:
@@ -316,14 +323,14 @@ async def test_invalid_http_client(self) -> None:
                 )
 
     def test_default_headers_option(self) -> None:
-        client = Increase(
+        test_client = Increase(
             base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
-        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
+        request = test_client._build_request(FinalRequestOptions(method="get", url="/foo"))
         assert request.headers.get("x-foo") == "bar"
         assert request.headers.get("x-stainless-lang") == "python"
 
-        client2 = Increase(
+        test_client2 = Increase(
             base_url=base_url,
             api_key=api_key,
             _strict_response_validation=True,
@@ -332,10 +339,13 @@ def test_default_headers_option(self) -> None:
                 "X-Stainless-Lang": "my-overriding-header",
             },
         )
-        request = client2._build_request(FinalRequestOptions(method="get", url="/foo"))
+        request = test_client2._build_request(FinalRequestOptions(method="get", url="/foo"))
         assert request.headers.get("x-foo") == "stainless"
         assert request.headers.get("x-stainless-lang") == "my-overriding-header"
 
+        test_client.close()
+        test_client2.close()
+
     def test_validate_headers(self) -> None:
         client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -364,8 +374,10 @@ def test_default_query_option(self) -> None:
         url = httpx.URL(request.url)
         assert dict(url.params) == {"foo": "baz", "query_param": "overridden"}
 
-    def test_request_extra_json(self) -> None:
-        request = self.client._build_request(
+        client.close()
+
+    def test_request_extra_json(self, client: Increase) -> None:
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -376,7 +388,7 @@ def test_request_extra_json(self) -> None:
         data = json.loads(request.content.decode("utf-8"))
         assert data == {"foo": "bar", "baz": False}
 
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -387,7 +399,7 @@ def test_request_extra_json(self) -> None:
         assert data == {"baz": False}
 
         # `extra_json` takes priority over `json_data` when keys clash
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -398,8 +410,8 @@ def test_request_extra_json(self) -> None:
         data = json.loads(request.content.decode("utf-8"))
         assert data == {"foo": "bar", "baz": None}
 
-    def test_request_extra_headers(self) -> None:
-        request = self.client._build_request(
+    def test_request_extra_headers(self, client: Increase) -> None:
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -409,7 +421,7 @@ def test_request_extra_headers(self) -> None:
         assert request.headers.get("X-Foo") == "Foo"
 
         # `extra_headers` takes priority over `default_headers` when keys clash
-        request = self.client.with_options(default_headers={"X-Bar": "true"})._build_request(
+        request = client.with_options(default_headers={"X-Bar": "true"})._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -420,8 +432,8 @@ def test_request_extra_headers(self) -> None:
         )
         assert request.headers.get("X-Bar") == "false"
 
-    def test_request_extra_query(self) -> None:
-        request = self.client._build_request(
+    def test_request_extra_query(self, client: Increase) -> None:
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -434,7 +446,7 @@ def test_request_extra_query(self) -> None:
         assert params == {"my_query_param": "Foo"}
 
         # if both `query` and `extra_query` are given, they are merged
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -448,7 +460,7 @@ def test_request_extra_query(self) -> None:
         assert params == {"bar": "1", "foo": "2"}
 
         # `extra_query` takes priority over `query` when keys clash
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -491,7 +503,7 @@ def test_multipart_repeating_array(self, client: Increase) -> None:
         ]
 
     @pytest.mark.respx(base_url=base_url)
-    def test_basic_union_response(self, respx_mock: MockRouter) -> None:
+    def test_basic_union_response(self, respx_mock: MockRouter, client: Increase) -> None:
         class Model1(BaseModel):
             name: str
 
@@ -500,12 +512,12 @@ class Model2(BaseModel):
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
 
-        response = self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
+        response = client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
         assert isinstance(response, Model2)
         assert response.foo == "bar"
 
     @pytest.mark.respx(base_url=base_url)
-    def test_union_response_different_types(self, respx_mock: MockRouter) -> None:
+    def test_union_response_different_types(self, respx_mock: MockRouter, client: Increase) -> None:
         """Union of objects with the same field name using a different type"""
 
         class Model1(BaseModel):
@@ -516,18 +528,18 @@ class Model2(BaseModel):
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
 
-        response = self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
+        response = client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
         assert isinstance(response, Model2)
         assert response.foo == "bar"
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": 1}))
 
-        response = self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
+        response = client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
         assert isinstance(response, Model1)
         assert response.foo == 1
 
     @pytest.mark.respx(base_url=base_url)
-    def test_non_application_json_content_type_for_json_data(self, respx_mock: MockRouter) -> None:
+    def test_non_application_json_content_type_for_json_data(self, respx_mock: MockRouter, client: Increase) -> None:
         """
         Response that sets Content-Type to something other than application/json but returns json data
         """
@@ -543,29 +555,29 @@ class Model(BaseModel):
             )
         )
 
-        response = self.client.get("/foo", cast_to=Model)
+        response = client.get("/foo", cast_to=Model)
         assert isinstance(response, Model)
         assert response.foo == 2
 
     @pytest.mark.respx(base_url=base_url)
-    def test_idempotency_header_options(self, respx_mock: MockRouter) -> None:
+    def test_idempotency_header_options(self, respx_mock: MockRouter, client: Increase) -> None:
         respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={}))
 
-        response = self.client.post("/foo", cast_to=httpx.Response)
+        response = client.post("/foo", cast_to=httpx.Response)
 
         header = response.request.headers.get("Idempotency-Key")
         assert header is not None
         assert header.startswith("increase-python-retry")
 
         # explicit header
-        response = self.client.post(
+        response = client.post(
             "/foo",
             cast_to=httpx.Response,
             options=make_request_options(extra_headers={"Idempotency-Key": "custom-key"}),
         )
         assert response.request.headers.get("Idempotency-Key") == "custom-key"
 
-        response = self.client.post(
+        response = client.post(
             "/foo",
             cast_to=httpx.Response,
             options=make_request_options(extra_headers={"idempotency-key": "custom-key"}),
@@ -573,7 +585,7 @@ def test_idempotency_header_options(self, respx_mock: MockRouter) -> None:
         assert response.request.headers.get("Idempotency-Key") == "custom-key"
 
         # custom argument
-        response = self.client.post(
+        response = client.post(
             "/foo", cast_to=httpx.Response, options=make_request_options(idempotency_key="custom-key")
         )
         assert response.request.headers.get("Idempotency-Key") == "custom-key"
@@ -586,6 +598,8 @@ def test_base_url_setter(self) -> None:
 
         assert client.base_url == "https://example.com/from_setter/"
 
+        client.close()
+
     def test_base_url_env(self) -> None:
         with update_env(INCREASE_BASE_URL="http://localhost:5000/from/env"):
             client = Increase(api_key=api_key, _strict_response_validation=True)
@@ -601,6 +615,8 @@ def test_base_url_env(self) -> None:
             )
             assert str(client.base_url).startswith("https://api.increase.com")
 
+            client.close()
+
     @pytest.mark.parametrize(
         "client",
         [
@@ -623,6 +639,7 @@ def test_base_url_trailing_slash(self, client: Increase) -> None:
             ),
         )
         assert request.url == "http://localhost:5000/custom/path/foo"
+        client.close()
 
     @pytest.mark.parametrize(
         "client",
@@ -646,6 +663,7 @@ def test_base_url_no_trailing_slash(self, client: Increase) -> None:
             ),
         )
         assert request.url == "http://localhost:5000/custom/path/foo"
+        client.close()
 
     @pytest.mark.parametrize(
         "client",
@@ -669,35 +687,36 @@ def test_absolute_request_url(self, client: Increase) -> None:
             ),
         )
         assert request.url == "https://myapi.com/foo"
+        client.close()
 
     def test_copied_client_does_not_close_http(self) -> None:
-        client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-        assert not client.is_closed()
+        test_client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
+        assert not test_client.is_closed()
 
-        copied = client.copy()
-        assert copied is not client
+        copied = test_client.copy()
+        assert copied is not test_client
 
         del copied
 
-        assert not client.is_closed()
+        assert not test_client.is_closed()
 
     def test_client_context_manager(self) -> None:
-        client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-        with client as c2:
-            assert c2 is client
+        test_client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
+        with test_client as c2:
+            assert c2 is test_client
             assert not c2.is_closed()
-            assert not client.is_closed()
-        assert client.is_closed()
+            assert not test_client.is_closed()
+        assert test_client.is_closed()
 
     @pytest.mark.respx(base_url=base_url)
-    def test_client_response_validation_error(self, respx_mock: MockRouter) -> None:
+    def test_client_response_validation_error(self, respx_mock: MockRouter, client: Increase) -> None:
         class Model(BaseModel):
             foo: str
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": {"invalid": True}}))
 
         with pytest.raises(APIResponseValidationError) as exc:
-            self.client.get("/foo", cast_to=Model)
+            client.get("/foo", cast_to=Model)
 
         assert isinstance(exc.value.__cause__, ValidationError)
 
@@ -717,11 +736,14 @@ class Model(BaseModel):
         with pytest.raises(APIResponseValidationError):
             strict_client.get("/foo", cast_to=Model)
 
-        client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=False)
+        non_strict_client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=False)
 
-        response = client.get("/foo", cast_to=Model)
+        response = non_strict_client.get("/foo", cast_to=Model)
         assert isinstance(response, str)  # type: ignore[unreachable]
 
+        strict_client.close()
+        non_strict_client.close()
+
     @pytest.mark.parametrize(
         "remaining_retries,retry_after,timeout",
         [
@@ -744,9 +766,9 @@ class Model(BaseModel):
         ],
     )
     @mock.patch("time.time", mock.MagicMock(return_value=1696004797))
-    def test_parse_retry_after_header(self, remaining_retries: int, retry_after: str, timeout: float) -> None:
-        client = Increase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-
+    def test_parse_retry_after_header(
+        self, remaining_retries: int, retry_after: str, timeout: float, client: Increase
+    ) -> None:
         headers = httpx.Headers({"retry-after": retry_after})
         options = FinalRequestOptions(method="get", url="/foo", max_retries=3)
         calculated = client._calculate_retry_timeout(remaining_retries, options, headers)
@@ -760,7 +782,7 @@ def test_retrying_timeout_errors_doesnt_leak(self, respx_mock: MockRouter, clien
         with pytest.raises(APITimeoutError):
             client.accounts.with_streaming_response.create(name="New Account!").__enter__()
 
-        assert _get_open_connections(self.client) == 0
+        assert _get_open_connections(client) == 0
 
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
     @pytest.mark.respx(base_url=base_url)
@@ -769,7 +791,7 @@ def test_retrying_status_errors_doesnt_leak(self, respx_mock: MockRouter, client
 
         with pytest.raises(APIStatusError):
             client.accounts.with_streaming_response.create(name="New Account!").__enter__()
-        assert _get_open_connections(self.client) == 0
+        assert _get_open_connections(client) == 0
 
     @pytest.mark.parametrize("failures_before_success", [0, 2, 4])
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
@@ -875,83 +897,77 @@ def test_default_client_creation(self) -> None:
         )
 
     @pytest.mark.respx(base_url=base_url)
-    def test_follow_redirects(self, respx_mock: MockRouter) -> None:
+    def test_follow_redirects(self, respx_mock: MockRouter, client: Increase) -> None:
         # Test that the default follow_redirects=True allows following redirects
         respx_mock.post("/redirect").mock(
             return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
         )
         respx_mock.get("/redirected").mock(return_value=httpx.Response(200, json={"status": "ok"}))
 
-        response = self.client.post("/redirect", body={"key": "value"}, cast_to=httpx.Response)
+        response = client.post("/redirect", body={"key": "value"}, cast_to=httpx.Response)
         assert response.status_code == 200
         assert response.json() == {"status": "ok"}
 
     @pytest.mark.respx(base_url=base_url)
-    def test_follow_redirects_disabled(self, respx_mock: MockRouter) -> None:
+    def test_follow_redirects_disabled(self, respx_mock: MockRouter, client: Increase) -> None:
         # Test that follow_redirects=False prevents following redirects
         respx_mock.post("/redirect").mock(
             return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
         )
 
         with pytest.raises(APIStatusError) as exc_info:
-            self.client.post(
-                "/redirect", body={"key": "value"}, options={"follow_redirects": False}, cast_to=httpx.Response
-            )
+            client.post("/redirect", body={"key": "value"}, options={"follow_redirects": False}, cast_to=httpx.Response)
 
         assert exc_info.value.response.status_code == 302
         assert exc_info.value.response.headers["Location"] == f"{base_url}/redirected"
 
 
 class TestAsyncIncrease:
-    client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
-    async def test_raw_response(self, respx_mock: MockRouter) -> None:
+    async def test_raw_response(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
 
-        response = await self.client.post("/foo", cast_to=httpx.Response)
+        response = await async_client.post("/foo", cast_to=httpx.Response)
         assert response.status_code == 200
         assert isinstance(response, httpx.Response)
         assert response.json() == {"foo": "bar"}
 
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
-    async def test_raw_response_for_binary(self, respx_mock: MockRouter) -> None:
+    async def test_raw_response_for_binary(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         respx_mock.post("/foo").mock(
             return_value=httpx.Response(200, headers={"Content-Type": "application/binary"}, content='{"foo": "bar"}')
         )
 
-        response = await self.client.post("/foo", cast_to=httpx.Response)
+        response = await async_client.post("/foo", cast_to=httpx.Response)
         assert response.status_code == 200
         assert isinstance(response, httpx.Response)
         assert response.json() == {"foo": "bar"}
 
-    def test_copy(self) -> None:
-        copied = self.client.copy()
-        assert id(copied) != id(self.client)
+    def test_copy(self, async_client: AsyncIncrease) -> None:
+        copied = async_client.copy()
+        assert id(copied) != id(async_client)
 
-        copied = self.client.copy(api_key="another My API Key")
+        copied = async_client.copy(api_key="another My API Key")
         assert copied.api_key == "another My API Key"
-        assert self.client.api_key == "My API Key"
+        assert async_client.api_key == "My API Key"
 
-    def test_copy_default_options(self) -> None:
+    def test_copy_default_options(self, async_client: AsyncIncrease) -> None:
         # options that have a default are overridden correctly
-        copied = self.client.copy(max_retries=7)
+        copied = async_client.copy(max_retries=7)
         assert copied.max_retries == 7
-        assert self.client.max_retries == 2
+        assert async_client.max_retries == 2
 
         copied2 = copied.copy(max_retries=6)
         assert copied2.max_retries == 6
         assert copied.max_retries == 7
 
         # timeout
-        assert isinstance(self.client.timeout, httpx.Timeout)
-        copied = self.client.copy(timeout=None)
+        assert isinstance(async_client.timeout, httpx.Timeout)
+        copied = async_client.copy(timeout=None)
         assert copied.timeout is None
-        assert isinstance(self.client.timeout, httpx.Timeout)
+        assert isinstance(async_client.timeout, httpx.Timeout)
 
-    def test_copy_default_headers(self) -> None:
+    async def test_copy_default_headers(self) -> None:
         client = AsyncIncrease(
             base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
@@ -984,8 +1000,9 @@ def test_copy_default_headers(self) -> None:
             match="`default_headers` and `set_default_headers` arguments are mutually exclusive",
         ):
             client.copy(set_default_headers={}, default_headers={"X-Foo": "Bar"})
+        await client.close()
 
-    def test_copy_default_query(self) -> None:
+    async def test_copy_default_query(self) -> None:
         client = AsyncIncrease(
             base_url=base_url, api_key=api_key, _strict_response_validation=True, default_query={"foo": "bar"}
         )
@@ -1021,13 +1038,15 @@ def test_copy_default_query(self) -> None:
         ):
             client.copy(set_default_query={}, default_query={"foo": "Bar"})
 
-    def test_copy_signature(self) -> None:
+        await client.close()
+
+    def test_copy_signature(self, async_client: AsyncIncrease) -> None:
         # ensure the same parameters that can be passed to the client are defined in the `.copy()` method
         init_signature = inspect.signature(
             # mypy doesn't like that we access the `__init__` property.
-            self.client.__init__,  # type: ignore[misc]
+            async_client.__init__,  # type: ignore[misc]
         )
-        copy_signature = inspect.signature(self.client.copy)
+        copy_signature = inspect.signature(async_client.copy)
         exclude_params = {"transport", "proxies", "_strict_response_validation"}
 
         for name in init_signature.parameters.keys():
@@ -1038,12 +1057,12 @@ def test_copy_signature(self) -> None:
             assert copy_param is not None, f"copy() signature is missing the {name} param"
 
     @pytest.mark.skipif(sys.version_info >= (3, 10), reason="fails because of a memory leak that started from 3.12")
-    def test_copy_build_request(self) -> None:
+    def test_copy_build_request(self, async_client: AsyncIncrease) -> None:
         options = FinalRequestOptions(method="get", url="/foo")
 
         def build_request(options: FinalRequestOptions) -> None:
-            client = self.client.copy()
-            client._build_request(options)
+            client_copy = async_client.copy()
+            client_copy._build_request(options)
 
         # ensure that the machinery is warmed up before tracing starts.
         build_request(options)
@@ -1100,12 +1119,12 @@ def add_leak(leaks: list[tracemalloc.StatisticDiff], diff: tracemalloc.Statistic
                     print(frame)
             raise AssertionError()
 
-    async def test_request_timeout(self) -> None:
-        request = self.client._build_request(FinalRequestOptions(method="get", url="/foo"))
+    async def test_request_timeout(self, async_client: AsyncIncrease) -> None:
+        request = async_client._build_request(FinalRequestOptions(method="get", url="/foo"))
         timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
         assert timeout == DEFAULT_TIMEOUT
 
-        request = self.client._build_request(
+        request = async_client._build_request(
             FinalRequestOptions(method="get", url="/foo", timeout=httpx.Timeout(100.0))
         )
         timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
@@ -1120,6 +1139,8 @@ async def test_client_timeout_option(self) -> None:
         timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
         assert timeout == httpx.Timeout(0)
 
+        await client.close()
+
     async def test_http_client_timeout_option(self) -> None:
         # custom timeout given to the httpx client should be used
         async with httpx.AsyncClient(timeout=None) as http_client:
@@ -1131,6 +1152,8 @@ async def test_http_client_timeout_option(self) -> None:
             timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
             assert timeout == httpx.Timeout(None)
 
+            await client.close()
+
         # no timeout given to the httpx client should not use the httpx default
         async with httpx.AsyncClient() as http_client:
             client = AsyncIncrease(
@@ -1141,6 +1164,8 @@ async def test_http_client_timeout_option(self) -> None:
             timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
             assert timeout == DEFAULT_TIMEOUT
 
+            await client.close()
+
         # explicitly passing the default timeout currently results in it being ignored
         async with httpx.AsyncClient(timeout=HTTPX_DEFAULT_TIMEOUT) as http_client:
             client = AsyncIncrease(
@@ -1151,6 +1176,8 @@ async def test_http_client_timeout_option(self) -> None:
             timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
             assert timeout == DEFAULT_TIMEOUT  # our default
 
+            await client.close()
+
     def test_invalid_http_client(self) -> None:
         with pytest.raises(TypeError, match="Invalid `http_client` arg"):
             with httpx.Client() as http_client:
@@ -1161,15 +1188,15 @@ def test_invalid_http_client(self) -> None:
                     http_client=cast(Any, http_client),
                 )
 
-    def test_default_headers_option(self) -> None:
-        client = AsyncIncrease(
+    async def test_default_headers_option(self) -> None:
+        test_client = AsyncIncrease(
             base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
-        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
+        request = test_client._build_request(FinalRequestOptions(method="get", url="/foo"))
         assert request.headers.get("x-foo") == "bar"
         assert request.headers.get("x-stainless-lang") == "python"
 
-        client2 = AsyncIncrease(
+        test_client2 = AsyncIncrease(
             base_url=base_url,
             api_key=api_key,
             _strict_response_validation=True,
@@ -1178,10 +1205,13 @@ def test_default_headers_option(self) -> None:
                 "X-Stainless-Lang": "my-overriding-header",
             },
         )
-        request = client2._build_request(FinalRequestOptions(method="get", url="/foo"))
+        request = test_client2._build_request(FinalRequestOptions(method="get", url="/foo"))
         assert request.headers.get("x-foo") == "stainless"
         assert request.headers.get("x-stainless-lang") == "my-overriding-header"
 
+        await test_client.close()
+        await test_client2.close()
+
     def test_validate_headers(self) -> None:
         client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -1192,7 +1222,7 @@ def test_validate_headers(self) -> None:
                 client2 = AsyncIncrease(base_url=base_url, api_key=None, _strict_response_validation=True)
             _ = client2
 
-    def test_default_query_option(self) -> None:
+    async def test_default_query_option(self) -> None:
         client = AsyncIncrease(
             base_url=base_url, api_key=api_key, _strict_response_validation=True, default_query={"query_param": "bar"}
         )
@@ -1210,8 +1240,10 @@ def test_default_query_option(self) -> None:
         url = httpx.URL(request.url)
         assert dict(url.params) == {"foo": "baz", "query_param": "overridden"}
 
-    def test_request_extra_json(self) -> None:
-        request = self.client._build_request(
+        await client.close()
+
+    def test_request_extra_json(self, client: Increase) -> None:
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1222,7 +1254,7 @@ def test_request_extra_json(self) -> None:
         data = json.loads(request.content.decode("utf-8"))
         assert data == {"foo": "bar", "baz": False}
 
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1233,7 +1265,7 @@ def test_request_extra_json(self) -> None:
         assert data == {"baz": False}
 
         # `extra_json` takes priority over `json_data` when keys clash
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1244,8 +1276,8 @@ def test_request_extra_json(self) -> None:
         data = json.loads(request.content.decode("utf-8"))
         assert data == {"foo": "bar", "baz": None}
 
-    def test_request_extra_headers(self) -> None:
-        request = self.client._build_request(
+    def test_request_extra_headers(self, client: Increase) -> None:
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1255,7 +1287,7 @@ def test_request_extra_headers(self) -> None:
         assert request.headers.get("X-Foo") == "Foo"
 
         # `extra_headers` takes priority over `default_headers` when keys clash
-        request = self.client.with_options(default_headers={"X-Bar": "true"})._build_request(
+        request = client.with_options(default_headers={"X-Bar": "true"})._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1266,8 +1298,8 @@ def test_request_extra_headers(self) -> None:
         )
         assert request.headers.get("X-Bar") == "false"
 
-    def test_request_extra_query(self) -> None:
-        request = self.client._build_request(
+    def test_request_extra_query(self, client: Increase) -> None:
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1280,7 +1312,7 @@ def test_request_extra_query(self) -> None:
         assert params == {"my_query_param": "Foo"}
 
         # if both `query` and `extra_query` are given, they are merged
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1294,7 +1326,7 @@ def test_request_extra_query(self) -> None:
         assert params == {"bar": "1", "foo": "2"}
 
         # `extra_query` takes priority over `query` when keys clash
-        request = self.client._build_request(
+        request = client._build_request(
             FinalRequestOptions(
                 method="post",
                 url="/foo",
@@ -1337,7 +1369,7 @@ def test_multipart_repeating_array(self, async_client: AsyncIncrease) -> None:
         ]
 
     @pytest.mark.respx(base_url=base_url)
-    async def test_basic_union_response(self, respx_mock: MockRouter) -> None:
+    async def test_basic_union_response(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         class Model1(BaseModel):
             name: str
 
@@ -1346,12 +1378,12 @@ class Model2(BaseModel):
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
 
-        response = await self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
+        response = await async_client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
         assert isinstance(response, Model2)
         assert response.foo == "bar"
 
     @pytest.mark.respx(base_url=base_url)
-    async def test_union_response_different_types(self, respx_mock: MockRouter) -> None:
+    async def test_union_response_different_types(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         """Union of objects with the same field name using a different type"""
 
         class Model1(BaseModel):
@@ -1362,18 +1394,20 @@ class Model2(BaseModel):
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
 
-        response = await self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
+        response = await async_client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
         assert isinstance(response, Model2)
         assert response.foo == "bar"
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": 1}))
 
-        response = await self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
+        response = await async_client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
         assert isinstance(response, Model1)
         assert response.foo == 1
 
     @pytest.mark.respx(base_url=base_url)
-    async def test_non_application_json_content_type_for_json_data(self, respx_mock: MockRouter) -> None:
+    async def test_non_application_json_content_type_for_json_data(
+        self, respx_mock: MockRouter, async_client: AsyncIncrease
+    ) -> None:
         """
         Response that sets Content-Type to something other than application/json but returns json data
         """
@@ -1389,29 +1423,29 @@ class Model(BaseModel):
             )
         )
 
-        response = await self.client.get("/foo", cast_to=Model)
+        response = await async_client.get("/foo", cast_to=Model)
         assert isinstance(response, Model)
         assert response.foo == 2
 
     @pytest.mark.respx(base_url=base_url)
-    async def test_idempotency_header_options(self, respx_mock: MockRouter) -> None:
+    async def test_idempotency_header_options(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={}))
 
-        response = await self.client.post("/foo", cast_to=httpx.Response)
+        response = await async_client.post("/foo", cast_to=httpx.Response)
 
         header = response.request.headers.get("Idempotency-Key")
         assert header is not None
         assert header.startswith("increase-python-retry")
 
         # explicit header
-        response = await self.client.post(
+        response = await async_client.post(
             "/foo",
             cast_to=httpx.Response,
             options=make_request_options(extra_headers={"Idempotency-Key": "custom-key"}),
         )
         assert response.request.headers.get("Idempotency-Key") == "custom-key"
 
-        response = await self.client.post(
+        response = await async_client.post(
             "/foo",
             cast_to=httpx.Response,
             options=make_request_options(extra_headers={"idempotency-key": "custom-key"}),
@@ -1419,12 +1453,12 @@ async def test_idempotency_header_options(self, respx_mock: MockRouter) -> None:
         assert response.request.headers.get("Idempotency-Key") == "custom-key"
 
         # custom argument
-        response = await self.client.post(
+        response = await async_client.post(
             "/foo", cast_to=httpx.Response, options=make_request_options(idempotency_key="custom-key")
         )
         assert response.request.headers.get("Idempotency-Key") == "custom-key"
 
-    def test_base_url_setter(self) -> None:
+    async def test_base_url_setter(self) -> None:
         client = AsyncIncrease(
             base_url="https://example.com/from_init", api_key=api_key, _strict_response_validation=True
         )
@@ -1434,7 +1468,9 @@ def test_base_url_setter(self) -> None:
 
         assert client.base_url == "https://example.com/from_setter/"
 
-    def test_base_url_env(self) -> None:
+        await client.close()
+
+    async def test_base_url_env(self) -> None:
         with update_env(INCREASE_BASE_URL="http://localhost:5000/from/env"):
             client = AsyncIncrease(api_key=api_key, _strict_response_validation=True)
             assert client.base_url == "http://localhost:5000/from/env/"
@@ -1449,6 +1485,8 @@ def test_base_url_env(self) -> None:
             )
             assert str(client.base_url).startswith("https://api.increase.com")
 
+            await client.close()
+
     @pytest.mark.parametrize(
         "client",
         [
@@ -1464,7 +1502,7 @@ def test_base_url_env(self) -> None:
         ],
         ids=["standard", "custom http client"],
     )
-    def test_base_url_trailing_slash(self, client: AsyncIncrease) -> None:
+    async def test_base_url_trailing_slash(self, client: AsyncIncrease) -> None:
         request = client._build_request(
             FinalRequestOptions(
                 method="post",
@@ -1473,6 +1511,7 @@ def test_base_url_trailing_slash(self, client: AsyncIncrease) -> None:
             ),
         )
         assert request.url == "http://localhost:5000/custom/path/foo"
+        await client.close()
 
     @pytest.mark.parametrize(
         "client",
@@ -1489,7 +1528,7 @@ def test_base_url_trailing_slash(self, client: AsyncIncrease) -> None:
         ],
         ids=["standard", "custom http client"],
     )
-    def test_base_url_no_trailing_slash(self, client: AsyncIncrease) -> None:
+    async def test_base_url_no_trailing_slash(self, client: AsyncIncrease) -> None:
         request = client._build_request(
             FinalRequestOptions(
                 method="post",
@@ -1498,6 +1537,7 @@ def test_base_url_no_trailing_slash(self, client: AsyncIncrease) -> None:
             ),
         )
         assert request.url == "http://localhost:5000/custom/path/foo"
+        await client.close()
 
     @pytest.mark.parametrize(
         "client",
@@ -1514,7 +1554,7 @@ def test_base_url_no_trailing_slash(self, client: AsyncIncrease) -> None:
         ],
         ids=["standard", "custom http client"],
     )
-    def test_absolute_request_url(self, client: AsyncIncrease) -> None:
+    async def test_absolute_request_url(self, client: AsyncIncrease) -> None:
         request = client._build_request(
             FinalRequestOptions(
                 method="post",
@@ -1523,37 +1563,37 @@ def test_absolute_request_url(self, client: AsyncIncrease) -> None:
             ),
         )
         assert request.url == "https://myapi.com/foo"
+        await client.close()
 
     async def test_copied_client_does_not_close_http(self) -> None:
-        client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-        assert not client.is_closed()
+        test_client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
+        assert not test_client.is_closed()
 
-        copied = client.copy()
-        assert copied is not client
+        copied = test_client.copy()
+        assert copied is not test_client
 
         del copied
 
         await asyncio.sleep(0.2)
-        assert not client.is_closed()
+        assert not test_client.is_closed()
 
     async def test_client_context_manager(self) -> None:
-        client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-        async with client as c2:
-            assert c2 is client
+        test_client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
+        async with test_client as c2:
+            assert c2 is test_client
             assert not c2.is_closed()
-            assert not client.is_closed()
-        assert client.is_closed()
+            assert not test_client.is_closed()
+        assert test_client.is_closed()
 
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
-    async def test_client_response_validation_error(self, respx_mock: MockRouter) -> None:
+    async def test_client_response_validation_error(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         class Model(BaseModel):
             foo: str
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": {"invalid": True}}))
 
         with pytest.raises(APIResponseValidationError) as exc:
-            await self.client.get("/foo", cast_to=Model)
+            await async_client.get("/foo", cast_to=Model)
 
         assert isinstance(exc.value.__cause__, ValidationError)
 
@@ -1564,7 +1604,6 @@ async def test_client_max_retries_validation(self) -> None:
             )
 
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
     async def test_received_text_for_expected_json(self, respx_mock: MockRouter) -> None:
         class Model(BaseModel):
             name: str
@@ -1576,11 +1615,14 @@ class Model(BaseModel):
         with pytest.raises(APIResponseValidationError):
             await strict_client.get("/foo", cast_to=Model)
 
-        client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=False)
+        non_strict_client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=False)
 
-        response = await client.get("/foo", cast_to=Model)
+        response = await non_strict_client.get("/foo", cast_to=Model)
         assert isinstance(response, str)  # type: ignore[unreachable]
 
+        await strict_client.close()
+        await non_strict_client.close()
+
     @pytest.mark.parametrize(
         "remaining_retries,retry_after,timeout",
         [
@@ -1603,13 +1645,12 @@ class Model(BaseModel):
         ],
     )
     @mock.patch("time.time", mock.MagicMock(return_value=1696004797))
-    @pytest.mark.asyncio
-    async def test_parse_retry_after_header(self, remaining_retries: int, retry_after: str, timeout: float) -> None:
-        client = AsyncIncrease(base_url=base_url, api_key=api_key, _strict_response_validation=True)
-
+    async def test_parse_retry_after_header(
+        self, remaining_retries: int, retry_after: str, timeout: float, async_client: AsyncIncrease
+    ) -> None:
         headers = httpx.Headers({"retry-after": retry_after})
         options = FinalRequestOptions(method="get", url="/foo", max_retries=3)
-        calculated = client._calculate_retry_timeout(remaining_retries, options, headers)
+        calculated = async_client._calculate_retry_timeout(remaining_retries, options, headers)
         assert calculated == pytest.approx(timeout, 0.5 * 0.875)  # pyright: ignore[reportUnknownMemberType]
 
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
@@ -1622,7 +1663,7 @@ async def test_retrying_timeout_errors_doesnt_leak(
         with pytest.raises(APITimeoutError):
             await async_client.accounts.with_streaming_response.create(name="New Account!").__aenter__()
 
-        assert _get_open_connections(self.client) == 0
+        assert _get_open_connections(async_client) == 0
 
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
     @pytest.mark.respx(base_url=base_url)
@@ -1633,12 +1674,11 @@ async def test_retrying_status_errors_doesnt_leak(
 
         with pytest.raises(APIStatusError):
             await async_client.accounts.with_streaming_response.create(name="New Account!").__aenter__()
-        assert _get_open_connections(self.client) == 0
+        assert _get_open_connections(async_client) == 0
 
     @pytest.mark.parametrize("failures_before_success", [0, 2, 4])
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
     @pytest.mark.parametrize("failure_mode", ["status", "exception"])
     async def test_retries_taken(
         self,
@@ -1670,7 +1710,6 @@ def retry_handler(_request: httpx.Request) -> httpx.Response:
     @pytest.mark.parametrize("failures_before_success", [0, 2, 4])
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
     async def test_omit_retry_count_header(
         self, async_client: AsyncIncrease, failures_before_success: int, respx_mock: MockRouter
     ) -> None:
@@ -1696,7 +1735,6 @@ def retry_handler(_request: httpx.Request) -> httpx.Response:
     @pytest.mark.parametrize("failures_before_success", [0, 2, 4])
     @mock.patch("increase._base_client.BaseClient._calculate_retry_timeout", _low_retry_timeout)
     @pytest.mark.respx(base_url=base_url)
-    @pytest.mark.asyncio
     async def test_overwrite_retry_count_header(
         self, async_client: AsyncIncrease, failures_before_success: int, respx_mock: MockRouter
     ) -> None:
@@ -1746,26 +1784,26 @@ async def test_default_client_creation(self) -> None:
         )
 
     @pytest.mark.respx(base_url=base_url)
-    async def test_follow_redirects(self, respx_mock: MockRouter) -> None:
+    async def test_follow_redirects(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         # Test that the default follow_redirects=True allows following redirects
         respx_mock.post("/redirect").mock(
             return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
         )
         respx_mock.get("/redirected").mock(return_value=httpx.Response(200, json={"status": "ok"}))
 
-        response = await self.client.post("/redirect", body={"key": "value"}, cast_to=httpx.Response)
+        response = await async_client.post("/redirect", body={"key": "value"}, cast_to=httpx.Response)
         assert response.status_code == 200
         assert response.json() == {"status": "ok"}
 
     @pytest.mark.respx(base_url=base_url)
-    async def test_follow_redirects_disabled(self, respx_mock: MockRouter) -> None:
+    async def test_follow_redirects_disabled(self, respx_mock: MockRouter, async_client: AsyncIncrease) -> None:
         # Test that follow_redirects=False prevents following redirects
         respx_mock.post("/redirect").mock(
             return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
         )
 
         with pytest.raises(APIStatusError) as exc_info:
-            await self.client.post(
+            await async_client.post(
                 "/redirect", body={"key": "value"}, options={"follow_redirects": False}, cast_to=httpx.Response
             )
 

From da7b55d2191378721e1ebf49acfde8e8b4dacbda Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Thu, 30 Oct 2025 14:07:02 +0000
Subject: [PATCH 2/4] feat(api): api update

---
 .stats.yml                                    |   4 +-
 src/increase/resources/wire_transfers.py      | 100 ++++------------
 src/increase/types/wire_transfer.py           |  87 +++++++++-----
 .../types/wire_transfer_create_params.py      | 111 +++++++++++-------
 tests/api_resources/test_wire_transfers.py    |  86 +++++++++-----
 5 files changed, 214 insertions(+), 174 deletions(-)

diff --git a/.stats.yml b/.stats.yml
index 6a120e927..9256ec13b 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 228
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-2453598e129a8305006487bc7616f3ee69eb4355a6d3f185dd51404fa8142246.yml
-openapi_spec_hash: e0b54d0015d39f9434659d8899bb2706
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-7689739a12916f3e4cc15be2e057e78b4ede38202bf4cf5f9358ef10374db9b3.yml
+openapi_spec_hash: 39b4a0d5d1441d03ed9de368335d78ec
 config_hash: fc8a0ae068f2feeac76f728ac6838543
diff --git a/src/increase/resources/wire_transfers.py b/src/increase/resources/wire_transfers.py
index 0ee8c5cbd..080468288 100644
--- a/src/increase/resources/wire_transfers.py
+++ b/src/increase/resources/wire_transfers.py
@@ -47,18 +47,12 @@ def create(
         *,
         account_id: str,
         amount: int,
-        beneficiary_name: str,
+        creditor: wire_transfer_create_params.Creditor,
+        remittance: wire_transfer_create_params.Remittance,
         account_number: str | Omit = omit,
-        beneficiary_address_line1: str | Omit = omit,
-        beneficiary_address_line2: str | Omit = omit,
-        beneficiary_address_line3: str | Omit = omit,
+        debtor: wire_transfer_create_params.Debtor | Omit = omit,
         external_account_id: str | Omit = omit,
         inbound_wire_drawdown_request_id: str | Omit = omit,
-        originator_address_line1: str | Omit = omit,
-        originator_address_line2: str | Omit = omit,
-        originator_address_line3: str | Omit = omit,
-        originator_name: str | Omit = omit,
-        remittance: wire_transfer_create_params.Remittance | Omit = omit,
         require_approval: bool | Omit = omit,
         routing_number: str | Omit = omit,
         source_account_number_id: str | Omit = omit,
@@ -78,15 +72,15 @@ def create(
 
           amount: The transfer amount in USD cents.
 
-          beneficiary_name: The beneficiary's name.
+          creditor: The person or business that is receiving the funds from the transfer.
 
-          account_number: The account number for the destination account.
-
-          beneficiary_address_line1: The beneficiary's address line 1.
+          remittance: Additional remittance information related to the wire transfer.
 
-          beneficiary_address_line2: The beneficiary's address line 2.
+          account_number: The account number for the destination account.
 
-          beneficiary_address_line3: The beneficiary's address line 3.
+          debtor: The person or business whose funds are being transferred. This is only necessary
+              if you're transferring from a commingled account. Otherwise, we'll use the
+              associated entity's details.
 
           external_account_id: The ID of an External Account to initiate a transfer to. If this parameter is
               provided, `account_number` and `routing_number` must be absent.
@@ -94,20 +88,6 @@ def create(
           inbound_wire_drawdown_request_id: The ID of an Inbound Wire Drawdown Request in response to which this transfer is
               being sent.
 
-          originator_address_line1: The originator's address line 1. This is only necessary if you're transferring
-              from a commingled account. Otherwise, we'll use the associated entity's details.
-
-          originator_address_line2: The originator's address line 2. This is only necessary if you're transferring
-              from a commingled account. Otherwise, we'll use the associated entity's details.
-
-          originator_address_line3: The originator's address line 3. This is only necessary if you're transferring
-              from a commingled account. Otherwise, we'll use the associated entity's details.
-
-          originator_name: The originator's name. This is only necessary if you're transferring from a
-              commingled account. Otherwise, we'll use the associated entity's details.
-
-          remittance: Additional remittance information related to the wire transfer.
-
           require_approval: Whether the transfer requires explicit approval via the dashboard or API.
 
           routing_number: The American Bankers' Association (ABA) Routing Transit Number (RTN) for the
@@ -131,18 +111,12 @@ def create(
                 {
                     "account_id": account_id,
                     "amount": amount,
-                    "beneficiary_name": beneficiary_name,
+                    "creditor": creditor,
+                    "remittance": remittance,
                     "account_number": account_number,
-                    "beneficiary_address_line1": beneficiary_address_line1,
-                    "beneficiary_address_line2": beneficiary_address_line2,
-                    "beneficiary_address_line3": beneficiary_address_line3,
+                    "debtor": debtor,
                     "external_account_id": external_account_id,
                     "inbound_wire_drawdown_request_id": inbound_wire_drawdown_request_id,
-                    "originator_address_line1": originator_address_line1,
-                    "originator_address_line2": originator_address_line2,
-                    "originator_address_line3": originator_address_line3,
-                    "originator_name": originator_name,
-                    "remittance": remittance,
                     "require_approval": require_approval,
                     "routing_number": routing_number,
                     "source_account_number_id": source_account_number_id,
@@ -369,18 +343,12 @@ async def create(
         *,
         account_id: str,
         amount: int,
-        beneficiary_name: str,
+        creditor: wire_transfer_create_params.Creditor,
+        remittance: wire_transfer_create_params.Remittance,
         account_number: str | Omit = omit,
-        beneficiary_address_line1: str | Omit = omit,
-        beneficiary_address_line2: str | Omit = omit,
-        beneficiary_address_line3: str | Omit = omit,
+        debtor: wire_transfer_create_params.Debtor | Omit = omit,
         external_account_id: str | Omit = omit,
         inbound_wire_drawdown_request_id: str | Omit = omit,
-        originator_address_line1: str | Omit = omit,
-        originator_address_line2: str | Omit = omit,
-        originator_address_line3: str | Omit = omit,
-        originator_name: str | Omit = omit,
-        remittance: wire_transfer_create_params.Remittance | Omit = omit,
         require_approval: bool | Omit = omit,
         routing_number: str | Omit = omit,
         source_account_number_id: str | Omit = omit,
@@ -400,15 +368,15 @@ async def create(
 
           amount: The transfer amount in USD cents.
 
-          beneficiary_name: The beneficiary's name.
+          creditor: The person or business that is receiving the funds from the transfer.
 
-          account_number: The account number for the destination account.
-
-          beneficiary_address_line1: The beneficiary's address line 1.
+          remittance: Additional remittance information related to the wire transfer.
 
-          beneficiary_address_line2: The beneficiary's address line 2.
+          account_number: The account number for the destination account.
 
-          beneficiary_address_line3: The beneficiary's address line 3.
+          debtor: The person or business whose funds are being transferred. This is only necessary
+              if you're transferring from a commingled account. Otherwise, we'll use the
+              associated entity's details.
 
           external_account_id: The ID of an External Account to initiate a transfer to. If this parameter is
               provided, `account_number` and `routing_number` must be absent.
@@ -416,20 +384,6 @@ async def create(
           inbound_wire_drawdown_request_id: The ID of an Inbound Wire Drawdown Request in response to which this transfer is
               being sent.
 
-          originator_address_line1: The originator's address line 1. This is only necessary if you're transferring
-              from a commingled account. Otherwise, we'll use the associated entity's details.
-
-          originator_address_line2: The originator's address line 2. This is only necessary if you're transferring
-              from a commingled account. Otherwise, we'll use the associated entity's details.
-
-          originator_address_line3: The originator's address line 3. This is only necessary if you're transferring
-              from a commingled account. Otherwise, we'll use the associated entity's details.
-
-          originator_name: The originator's name. This is only necessary if you're transferring from a
-              commingled account. Otherwise, we'll use the associated entity's details.
-
-          remittance: Additional remittance information related to the wire transfer.
-
           require_approval: Whether the transfer requires explicit approval via the dashboard or API.
 
           routing_number: The American Bankers' Association (ABA) Routing Transit Number (RTN) for the
@@ -453,18 +407,12 @@ async def create(
                 {
                     "account_id": account_id,
                     "amount": amount,
-                    "beneficiary_name": beneficiary_name,
+                    "creditor": creditor,
+                    "remittance": remittance,
                     "account_number": account_number,
-                    "beneficiary_address_line1": beneficiary_address_line1,
-                    "beneficiary_address_line2": beneficiary_address_line2,
-                    "beneficiary_address_line3": beneficiary_address_line3,
+                    "debtor": debtor,
                     "external_account_id": external_account_id,
                     "inbound_wire_drawdown_request_id": inbound_wire_drawdown_request_id,
-                    "originator_address_line1": originator_address_line1,
-                    "originator_address_line2": originator_address_line2,
-                    "originator_address_line3": originator_address_line3,
-                    "originator_name": originator_name,
-                    "remittance": remittance,
                     "require_approval": require_approval,
                     "routing_number": routing_number,
                     "source_account_number_id": source_account_number_id,
diff --git a/src/increase/types/wire_transfer.py b/src/increase/types/wire_transfer.py
index c1bfb0d6f..f0132b3f4 100644
--- a/src/increase/types/wire_transfer.py
+++ b/src/increase/types/wire_transfer.py
@@ -14,6 +14,12 @@
     "CreatedByAPIKey",
     "CreatedByOAuthApplication",
     "CreatedByUser",
+    "Creditor",
+    "CreditorAddress",
+    "CreditorAddressUnstructured",
+    "Debtor",
+    "DebtorAddress",
+    "DebtorAddressUnstructured",
     "Remittance",
     "RemittanceTax",
     "RemittanceUnstructured",
@@ -86,6 +92,54 @@ class CreatedBy(BaseModel):
     """If present, details about the User that created the transfer."""
 
 
+class CreditorAddressUnstructured(BaseModel):
+    line1: Optional[str] = None
+    """The first line."""
+
+    line2: Optional[str] = None
+    """The second line."""
+
+    line3: Optional[str] = None
+    """The third line."""
+
+
+class CreditorAddress(BaseModel):
+    unstructured: Optional[CreditorAddressUnstructured] = None
+    """Unstructured address lines."""
+
+
+class Creditor(BaseModel):
+    address: Optional[CreditorAddress] = None
+    """The person or business's address."""
+
+    name: Optional[str] = None
+    """The person or business's name."""
+
+
+class DebtorAddressUnstructured(BaseModel):
+    line1: Optional[str] = None
+    """The first line."""
+
+    line2: Optional[str] = None
+    """The second line."""
+
+    line3: Optional[str] = None
+    """The third line."""
+
+
+class DebtorAddress(BaseModel):
+    unstructured: Optional[DebtorAddressUnstructured] = None
+    """Unstructured address lines."""
+
+
+class Debtor(BaseModel):
+    address: Optional[DebtorAddress] = None
+    """The person or business's address."""
+
+    name: Optional[str] = None
+    """The person or business's name."""
+
+
 class RemittanceTax(BaseModel):
     date: datetime.date
     """The month and year the tax payment is for, in YYYY-MM-DD format.
@@ -215,18 +269,6 @@ class WireTransfer(BaseModel):
     this will contain details of the approval.
     """
 
-    beneficiary_address_line1: Optional[str] = None
-    """The beneficiary's address line 1."""
-
-    beneficiary_address_line2: Optional[str] = None
-    """The beneficiary's address line 2."""
-
-    beneficiary_address_line3: Optional[str] = None
-    """The beneficiary's address line 3."""
-
-    beneficiary_name: Optional[str] = None
-    """The beneficiary's name."""
-
     cancellation: Optional[Cancellation] = None
     """
     If your account requires approvals for transfers and the transfer was not
@@ -242,6 +284,9 @@ class WireTransfer(BaseModel):
     created_by: Optional[CreatedBy] = None
     """What object created the transfer, either via the API or the dashboard."""
 
+    creditor: Optional[Creditor] = None
+    """The person or business that is receiving the funds from the transfer."""
+
     currency: Literal["CAD", "CHF", "EUR", "GBP", "JPY", "USD"]
     """
     The [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) code for the transfer's
@@ -255,6 +300,9 @@ class WireTransfer(BaseModel):
     - `USD` - US Dollar (USD)
     """
 
+    debtor: Optional[Debtor] = None
+    """The person or business whose funds are being transferred."""
+
     external_account_id: Optional[str] = None
     """The identifier of the External Account the transfer was made to, if any."""
 
@@ -272,24 +320,9 @@ class WireTransfer(BaseModel):
     was sent.
     """
 
-    message_to_recipient: str
-    """The message that will show on the recipient's bank statement."""
-
     network: Literal["wire"]
     """The transfer's network."""
 
-    originator_address_line1: Optional[str] = None
-    """The originator's address line 1."""
-
-    originator_address_line2: Optional[str] = None
-    """The originator's address line 2."""
-
-    originator_address_line3: Optional[str] = None
-    """The originator's address line 3."""
-
-    originator_name: Optional[str] = None
-    """The originator's name."""
-
     pending_transaction_id: Optional[str] = None
     """The ID for the pending transaction representing the transfer.
 
diff --git a/src/increase/types/wire_transfer_create_params.py b/src/increase/types/wire_transfer_create_params.py
index e9361645d..6786b5629 100644
--- a/src/increase/types/wire_transfer_create_params.py
+++ b/src/increase/types/wire_transfer_create_params.py
@@ -8,7 +8,18 @@
 
 from .._utils import PropertyInfo
 
-__all__ = ["WireTransferCreateParams", "Remittance", "RemittanceTax", "RemittanceUnstructured"]
+__all__ = [
+    "WireTransferCreateParams",
+    "Creditor",
+    "CreditorAddress",
+    "CreditorAddressUnstructured",
+    "Remittance",
+    "RemittanceTax",
+    "RemittanceUnstructured",
+    "Debtor",
+    "DebtorAddress",
+    "DebtorAddressUnstructured",
+]
 
 
 class WireTransferCreateParams(TypedDict, total=False):
@@ -18,20 +29,21 @@ class WireTransferCreateParams(TypedDict, total=False):
     amount: Required[int]
     """The transfer amount in USD cents."""
 
-    beneficiary_name: Required[str]
-    """The beneficiary's name."""
+    creditor: Required[Creditor]
+    """The person or business that is receiving the funds from the transfer."""
+
+    remittance: Required[Remittance]
+    """Additional remittance information related to the wire transfer."""
 
     account_number: str
     """The account number for the destination account."""
 
-    beneficiary_address_line1: str
-    """The beneficiary's address line 1."""
-
-    beneficiary_address_line2: str
-    """The beneficiary's address line 2."""
+    debtor: Debtor
+    """The person or business whose funds are being transferred.
 
-    beneficiary_address_line3: str
-    """The beneficiary's address line 3."""
+    This is only necessary if you're transferring from a commingled account.
+    Otherwise, we'll use the associated entity's details.
+    """
 
     external_account_id: str
     """The ID of an External Account to initiate a transfer to.
@@ -46,48 +58,41 @@ class WireTransferCreateParams(TypedDict, total=False):
     being sent.
     """
 
-    originator_address_line1: str
-    """The originator's address line 1.
+    require_approval: bool
+    """Whether the transfer requires explicit approval via the dashboard or API."""
 
-    This is only necessary if you're transferring from a commingled account.
-    Otherwise, we'll use the associated entity's details.
+    routing_number: str
+    """
+    The American Bankers' Association (ABA) Routing Transit Number (RTN) for the
+    destination account.
     """
 
-    originator_address_line2: str
-    """The originator's address line 2.
+    source_account_number_id: str
+    """The ID of an Account Number that will be passed to the wire's recipient"""
 
-    This is only necessary if you're transferring from a commingled account.
-    Otherwise, we'll use the associated entity's details.
-    """
 
-    originator_address_line3: str
-    """The originator's address line 3.
+class CreditorAddressUnstructured(TypedDict, total=False):
+    line1: Required[str]
+    """The address line 1."""
 
-    This is only necessary if you're transferring from a commingled account.
-    Otherwise, we'll use the associated entity's details.
-    """
+    line2: str
+    """The address line 2."""
 
-    originator_name: str
-    """The originator's name.
+    line3: str
+    """The address line 3."""
 
-    This is only necessary if you're transferring from a commingled account.
-    Otherwise, we'll use the associated entity's details.
-    """
 
-    remittance: Remittance
-    """Additional remittance information related to the wire transfer."""
+class CreditorAddress(TypedDict, total=False):
+    unstructured: Required[CreditorAddressUnstructured]
+    """Unstructured address lines."""
 
-    require_approval: bool
-    """Whether the transfer requires explicit approval via the dashboard or API."""
 
-    routing_number: str
-    """
-    The American Bankers' Association (ABA) Routing Transit Number (RTN) for the
-    destination account.
-    """
+class Creditor(TypedDict, total=False):
+    name: Required[str]
+    """The person or business's name."""
 
-    source_account_number_id: str
-    """The ID of an Account Number that will be passed to the wire's recipient"""
+    address: CreditorAddress
+    """The person or business's address."""
 
 
 class RemittanceTax(TypedDict, total=False):
@@ -109,7 +114,7 @@ class RemittanceTax(TypedDict, total=False):
 
 class RemittanceUnstructured(TypedDict, total=False):
     message: Required[str]
-    """The message to the beneficiary."""
+    """The information."""
 
 
 class Remittance(TypedDict, total=False):
@@ -133,3 +138,27 @@ class Remittance(TypedDict, total=False):
 
     Required if `category` is equal to `unstructured`.
     """
+
+
+class DebtorAddressUnstructured(TypedDict, total=False):
+    line1: Required[str]
+    """The address line 1."""
+
+    line2: str
+    """The address line 2."""
+
+    line3: str
+    """The address line 3."""
+
+
+class DebtorAddress(TypedDict, total=False):
+    unstructured: Required[DebtorAddressUnstructured]
+    """Unstructured address lines."""
+
+
+class Debtor(TypedDict, total=False):
+    name: Required[str]
+    """The person or business's name."""
+
+    address: DebtorAddress
+    """The person or business's address."""
diff --git a/tests/api_resources/test_wire_transfers.py b/tests/api_resources/test_wire_transfers.py
index b2d2884e4..e68b36452 100644
--- a/tests/api_resources/test_wire_transfers.py
+++ b/tests/api_resources/test_wire_transfers.py
@@ -24,7 +24,8 @@ def test_method_create(self, client: Increase) -> None:
         wire_transfer = client.wire_transfers.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
+            creditor={"name": "Ian Crease"},
+            remittance={"category": "unstructured"},
         )
         assert_matches_type(WireTransfer, wire_transfer, path=["response"])
 
@@ -33,17 +34,16 @@ def test_method_create_with_all_params(self, client: Increase) -> None:
         wire_transfer = client.wire_transfers.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
-            account_number="987654321",
-            beneficiary_address_line1="33 Liberty Street",
-            beneficiary_address_line2="New York",
-            beneficiary_address_line3="NY 10045",
-            external_account_id="external_account_id",
-            inbound_wire_drawdown_request_id="inbound_wire_drawdown_request_id",
-            originator_address_line1="x",
-            originator_address_line2="x",
-            originator_address_line3="x",
-            originator_name="x",
+            creditor={
+                "name": "Ian Crease",
+                "address": {
+                    "unstructured": {
+                        "line1": "33 Liberty Street",
+                        "line2": "New York",
+                        "line3": "NY 10045",
+                    }
+                },
+            },
             remittance={
                 "category": "unstructured",
                 "tax": {
@@ -53,6 +53,19 @@ def test_method_create_with_all_params(self, client: Increase) -> None:
                 },
                 "unstructured": {"message": "New account transfer"},
             },
+            account_number="987654321",
+            debtor={
+                "name": "x",
+                "address": {
+                    "unstructured": {
+                        "line1": "x",
+                        "line2": "x",
+                        "line3": "x",
+                    }
+                },
+            },
+            external_account_id="external_account_id",
+            inbound_wire_drawdown_request_id="inbound_wire_drawdown_request_id",
             require_approval=True,
             routing_number="101050001",
             source_account_number_id="source_account_number_id",
@@ -64,7 +77,8 @@ def test_raw_response_create(self, client: Increase) -> None:
         response = client.wire_transfers.with_raw_response.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
+            creditor={"name": "Ian Crease"},
+            remittance={"category": "unstructured"},
         )
 
         assert response.is_closed is True
@@ -77,7 +91,8 @@ def test_streaming_response_create(self, client: Increase) -> None:
         with client.wire_transfers.with_streaming_response.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
+            creditor={"name": "Ian Crease"},
+            remittance={"category": "unstructured"},
         ) as response:
             assert not response.is_closed
             assert response.http_request.headers.get("X-Stainless-Lang") == "python"
@@ -254,7 +269,8 @@ async def test_method_create(self, async_client: AsyncIncrease) -> None:
         wire_transfer = await async_client.wire_transfers.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
+            creditor={"name": "Ian Crease"},
+            remittance={"category": "unstructured"},
         )
         assert_matches_type(WireTransfer, wire_transfer, path=["response"])
 
@@ -263,17 +279,16 @@ async def test_method_create_with_all_params(self, async_client: AsyncIncrease)
         wire_transfer = await async_client.wire_transfers.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
-            account_number="987654321",
-            beneficiary_address_line1="33 Liberty Street",
-            beneficiary_address_line2="New York",
-            beneficiary_address_line3="NY 10045",
-            external_account_id="external_account_id",
-            inbound_wire_drawdown_request_id="inbound_wire_drawdown_request_id",
-            originator_address_line1="x",
-            originator_address_line2="x",
-            originator_address_line3="x",
-            originator_name="x",
+            creditor={
+                "name": "Ian Crease",
+                "address": {
+                    "unstructured": {
+                        "line1": "33 Liberty Street",
+                        "line2": "New York",
+                        "line3": "NY 10045",
+                    }
+                },
+            },
             remittance={
                 "category": "unstructured",
                 "tax": {
@@ -283,6 +298,19 @@ async def test_method_create_with_all_params(self, async_client: AsyncIncrease)
                 },
                 "unstructured": {"message": "New account transfer"},
             },
+            account_number="987654321",
+            debtor={
+                "name": "x",
+                "address": {
+                    "unstructured": {
+                        "line1": "x",
+                        "line2": "x",
+                        "line3": "x",
+                    }
+                },
+            },
+            external_account_id="external_account_id",
+            inbound_wire_drawdown_request_id="inbound_wire_drawdown_request_id",
             require_approval=True,
             routing_number="101050001",
             source_account_number_id="source_account_number_id",
@@ -294,7 +322,8 @@ async def test_raw_response_create(self, async_client: AsyncIncrease) -> None:
         response = await async_client.wire_transfers.with_raw_response.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
+            creditor={"name": "Ian Crease"},
+            remittance={"category": "unstructured"},
         )
 
         assert response.is_closed is True
@@ -307,7 +336,8 @@ async def test_streaming_response_create(self, async_client: AsyncIncrease) -> N
         async with async_client.wire_transfers.with_streaming_response.create(
             account_id="account_in71c4amph0vgo2qllky",
             amount=100,
-            beneficiary_name="Ian Crease",
+            creditor={"name": "Ian Crease"},
+            remittance={"category": "unstructured"},
         ) as response:
             assert not response.is_closed
             assert response.http_request.headers.get("X-Stainless-Lang") == "python"

From d705fa1a03274a1b31c73f40e5754445d4503184 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Thu, 30 Oct 2025 18:05:06 +0000
Subject: [PATCH 3/4] feat(api): api update

---
 .stats.yml                                    |   6 +-
 src/increase/_exceptions.py                   |   6 +-
 src/increase/types/account.py                 |  16 +-
 src/increase/types/account_number.py          |  16 +-
 src/increase/types/account_transfer.py        |  16 +-
 src/increase/types/ach_transfer.py            |  38 +-
 src/increase/types/card.py                    |  16 +-
 src/increase/types/card_dispute.py            |  16 +-
 src/increase/types/card_payment.py            | 136 +++++-
 .../types/card_purchase_supplement.py         |  16 +-
 src/increase/types/card_push_transfer.py      |  16 +-
 src/increase/types/card_validation.py         |  16 +-
 src/increase/types/check_deposit.py           |  64 ++-
 src/increase/types/check_transfer.py          |  64 ++-
 src/increase/types/declined_transaction.py    | 100 +++-
 src/increase/types/entity.py                  |  64 ++-
 src/increase/types/external_account.py        |  16 +-
 src/increase/types/file.py                    |  16 +-
 src/increase/types/inbound_fednow_transfer.py |  28 +-
 src/increase/types/inbound_mail_item.py       |  16 +-
 .../types/inbound_wire_drawdown_request.py    |  16 +-
 src/increase/types/inbound_wire_transfer.py   |  16 +-
 src/increase/types/pending_transaction.py     | 150 +++++-
 src/increase/types/physical_card_profile.py   |  16 +-
 src/increase/types/real_time_decision.py      |  16 +-
 .../types/real_time_payments_transfer.py      |  16 +-
 src/increase/types/transaction.py             | 448 +++++++++++++++++-
 src/increase/types/wire_transfer.py           |  28 +-
 28 files changed, 1342 insertions(+), 46 deletions(-)

diff --git a/.stats.yml b/.stats.yml
index 9256ec13b..7f33565d1 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 228
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-7689739a12916f3e4cc15be2e057e78b4ede38202bf4cf5f9358ef10374db9b3.yml
-openapi_spec_hash: 39b4a0d5d1441d03ed9de368335d78ec
-config_hash: fc8a0ae068f2feeac76f728ac6838543
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-fd1e9a0d66098ce0c20cb6c15bbb8c26a8662d52730907deb4a179aebd6b89d6.yml
+openapi_spec_hash: 2139b75a9f653c413775fb96f70ba794
+config_hash: eb2035151c7b49c2f12caf55469b8f9a
diff --git a/src/increase/_exceptions.py b/src/increase/_exceptions.py
index aa472b775..40ea13832 100644
--- a/src/increase/_exceptions.py
+++ b/src/increase/_exceptions.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Any, List, Mapping, Optional, cast
+from typing import Any, Dict, List, Mapping, Optional, cast
 from typing_extensions import Literal
 
 import httpx
@@ -122,7 +122,7 @@ class RateLimitError(APIStatusError):
 class InvalidParametersError(BadRequestError):
     detail: Optional[str] = None
 
-    errors: List[object]
+    errors: List[Dict[str, object]]
     """All errors related to parsing the request parameters."""
 
     status: Literal[400]
@@ -138,7 +138,7 @@ def __init__(self, message: str, *, body: object, response: httpx.Response) -> N
 
         self.title = title
         self.detail = cast(Any, construct_type(type_=Optional[str], value=data.get("detail")))
-        self.errors = cast(Any, construct_type(type_=List[object], value=data.get("errors")))
+        self.errors = cast(Any, construct_type(type_=List[Dict[str, object]], value=data.get("errors")))
         self.status = cast(Any, construct_type(type_=Literal[400], value=data.get("status")))
         self.type = cast(Any, construct_type(type_=Literal["invalid_parameters_error"], value=data.get("type")))
 
diff --git a/src/increase/types/account.py b/src/increase/types/account.py
index a10f4b4ee..468c92274 100644
--- a/src/increase/types/account.py
+++ b/src/increase/types/account.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import date, datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["Account"]
@@ -111,3 +113,15 @@ class Account(BaseModel):
 
     For this resource it will always be `account`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/account_number.py b/src/increase/types/account_number.py
index 5c5921561..5d0cade9a 100644
--- a/src/increase/types/account_number.py
+++ b/src/increase/types/account_number.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["AccountNumber", "InboundACH", "InboundChecks"]
@@ -84,3 +86,15 @@ class AccountNumber(BaseModel):
 
     For this resource it will always be `account_number`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/account_transfer.py b/src/increase/types/account_transfer.py
index 727af025b..a2b627c00 100644
--- a/src/increase/types/account_transfer.py
+++ b/src/increase/types/account_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -180,3 +182,15 @@ class AccountTransfer(BaseModel):
 
     For this resource it will always be `account_transfer`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/ach_transfer.py b/src/increase/types/ach_transfer.py
index f2305dbf6..b405e01b6 100644
--- a/src/increase/types/ach_transfer.py
+++ b/src/increase/types/ach_transfer.py
@@ -1,7 +1,7 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 import datetime
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from typing_extensions import Literal
 
 from pydantic import Field as FieldInfo
@@ -209,6 +209,18 @@ class InboundFundsHold(BaseModel):
     For this resource it will always be `inbound_funds_hold`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class NotificationsOfChange(BaseModel):
     change_code: Literal[
@@ -557,6 +569,18 @@ class Return(BaseModel):
     transfer_id: str
     """The identifier of the ACH Transfer associated with this return."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Settlement(BaseModel):
     settled_at: datetime.datetime
@@ -836,3 +860,15 @@ class ACHTransfer(BaseModel):
 
     For this resource it will always be `ach_transfer`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/card.py b/src/increase/types/card.py
index 6e96d690b..46025eb85 100644
--- a/src/increase/types/card.py
+++ b/src/increase/types/card.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["Card", "BillingAddress", "DigitalWallet"]
@@ -105,3 +107,15 @@ class Card(BaseModel):
 
     For this resource it will always be `card`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/card_dispute.py b/src/increase/types/card_dispute.py
index fc04b7a5e..eced5df31 100644
--- a/src/increase/types/card_dispute.py
+++ b/src/increase/types/card_dispute.py
@@ -25,7 +25,6 @@
     "VisaNetworkEventRepresentedCardholderNoLongerDisputes",
     "VisaNetworkEventRepresentedCreditOrReversalProcessed",
     "VisaNetworkEventRepresentedInvalidDispute",
-    "VisaNetworkEventRepresentedNonFiatCurrencyOrNonFungibleTokenAsDescribed",
     "VisaNetworkEventRepresentedNonFiatCurrencyOrNonFungibleTokenReceived",
     "VisaNetworkEventRepresentedProofOfCashDisbursement",
     "VisaNetworkEventRepresentedReversalIssued",
@@ -60,7 +59,6 @@
     "VisaUserSubmissionChargebackConsumerMerchandiseNotReceivedDelayedReturned",
     "VisaUserSubmissionChargebackConsumerMerchandiseNotReceivedDeliveredToWrongLocation",
     "VisaUserSubmissionChargebackConsumerMerchandiseNotReceivedMerchantCancellation",
-    "VisaUserSubmissionChargebackConsumerNonReceiptOfCash",
     "VisaUserSubmissionChargebackConsumerOriginalCreditTransactionNotAccepted",
     "VisaUserSubmissionChargebackConsumerQualityMerchandise",
     "VisaUserSubmissionChargebackConsumerQualityMerchandiseOngoingNegotiations",
@@ -443,10 +441,6 @@ class VisaNetworkEventRepresentedInvalidDispute(BaseModel):
     """
 
 
-class VisaNetworkEventRepresentedNonFiatCurrencyOrNonFungibleTokenAsDescribed(BaseModel):
-    pass
-
-
 class VisaNetworkEventRepresentedNonFiatCurrencyOrNonFungibleTokenReceived(BaseModel):
     blockchain_transaction_hash: str
     """Blockchain transaction hash."""
@@ -487,9 +481,7 @@ class VisaNetworkEventRepresented(BaseModel):
     invalid_dispute: Optional[VisaNetworkEventRepresentedInvalidDispute] = None
     """Invalid dispute details. Present if and only if `reason` is `invalid_dispute`."""
 
-    non_fiat_currency_or_non_fungible_token_as_described: Optional[
-        VisaNetworkEventRepresentedNonFiatCurrencyOrNonFungibleTokenAsDescribed
-    ] = None
+    non_fiat_currency_or_non_fungible_token_as_described: Optional[object] = None
     """Non-fiat currency or non-fungible token as described details.
 
     Present if and only if `reason` is
@@ -1371,10 +1363,6 @@ class VisaUserSubmissionChargebackConsumerMerchandiseNotReceived(BaseModel):
     """Purchase information and explanation."""
 
 
-class VisaUserSubmissionChargebackConsumerNonReceiptOfCash(BaseModel):
-    pass
-
-
 class VisaUserSubmissionChargebackConsumerOriginalCreditTransactionNotAccepted(BaseModel):
     explanation: str
     """Explanation."""
@@ -1897,7 +1885,7 @@ class VisaUserSubmissionChargeback(BaseModel):
     Present if and only if `category` is `consumer_merchandise_not_received`.
     """
 
-    consumer_non_receipt_of_cash: Optional[VisaUserSubmissionChargebackConsumerNonReceiptOfCash] = None
+    consumer_non_receipt_of_cash: Optional[object] = None
     """Non-receipt of cash.
 
     Present if and only if `category` is `consumer_non_receipt_of_cash`.
diff --git a/src/increase/types/card_payment.py b/src/increase/types/card_payment.py
index f649681fa..6bcb0e4e1 100644
--- a/src/increase/types/card_payment.py
+++ b/src/increase/types/card_payment.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from datetime import date, datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -295,6 +297,18 @@ class ElementCardAuthentication(BaseModel):
     For this resource it will always be `card_authentication`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardAuthorizationAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -889,6 +903,18 @@ class ElementCardAuthorization(BaseModel):
     verification: ElementCardAuthorizationVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardAuthorizationExpiration(BaseModel):
     id: str
@@ -929,6 +955,18 @@ class ElementCardAuthorizationExpiration(BaseModel):
     For this resource it will always be `card_authorization_expiration`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardDeclineAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -1602,6 +1640,18 @@ class ElementCardDecline(BaseModel):
     verification: ElementCardDeclineVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardFinancialAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -2190,6 +2240,18 @@ class ElementCardFinancial(BaseModel):
     verification: ElementCardFinancialVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardFuelConfirmationNetworkIdentifiers(BaseModel):
     authorization_identification_response: Optional[str] = None
@@ -2266,6 +2328,18 @@ class ElementCardFuelConfirmation(BaseModel):
     of the transaction's currency. For dollars, for example, this is cents.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardIncrementAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -2572,6 +2646,18 @@ class ElementCardIncrement(BaseModel):
     transaction's currency. For dollars, for example, this is cents.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardRefundCashback(BaseModel):
     amount: str
@@ -3135,6 +3221,18 @@ class ElementCardRefund(BaseModel):
     For this resource it will always be `card_refund`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardReversalNetworkIdentifiers(BaseModel):
     authorization_identification_response: Optional[str] = None
@@ -3285,6 +3383,18 @@ class ElementCardReversal(BaseModel):
     transaction's presentment currency. For dollars, for example, this is cents.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardSettlementCashback(BaseModel):
     amount: str
@@ -3885,6 +3995,18 @@ class ElementCardSettlement(BaseModel):
     For this resource it will always be `card_settlement`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ElementCardValidationAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -4410,6 +4532,18 @@ class ElementCardValidation(BaseModel):
     verification: ElementCardValidationVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Element(BaseModel):
     card_authentication: Optional[ElementCardAuthentication] = None
diff --git a/src/increase/types/card_purchase_supplement.py b/src/increase/types/card_purchase_supplement.py
index 85d9f60ed..6b063db88 100644
--- a/src/increase/types/card_purchase_supplement.py
+++ b/src/increase/types/card_purchase_supplement.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from datetime import date
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["CardPurchaseSupplement", "Invoice", "LineItem"]
@@ -191,3 +193,15 @@ class CardPurchaseSupplement(BaseModel):
 
     For this resource it will always be `card_purchase_supplement`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/card_push_transfer.py b/src/increase/types/card_push_transfer.py
index d659da368..516072251 100644
--- a/src/increase/types/card_push_transfer.py
+++ b/src/increase/types/card_push_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -449,3 +451,15 @@ class CardPushTransfer(BaseModel):
 
     For this resource it will always be `card_push_transfer`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/card_validation.py b/src/increase/types/card_validation.py
index 1fe048745..3ce823044 100644
--- a/src/increase/types/card_validation.py
+++ b/src/increase/types/card_validation.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -380,3 +382,15 @@ class CardValidation(BaseModel):
 
     For this resource it will always be `card_validation`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/check_deposit.py b/src/increase/types/check_deposit.py
index 9d2afbee7..4f6cd1a2d 100644
--- a/src/increase/types/check_deposit.py
+++ b/src/increase/types/check_deposit.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -64,6 +66,18 @@ class DepositAcceptance(BaseModel):
     field.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class DepositRejection(BaseModel):
     amount: int
@@ -128,6 +142,18 @@ class DepositRejection(BaseModel):
     the check deposit was rejected.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class DepositReturn(BaseModel):
     amount: int
@@ -236,6 +262,18 @@ class DepositReturn(BaseModel):
     transaction.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class DepositSubmission(BaseModel):
     back_file_id: str
@@ -312,6 +350,18 @@ class InboundFundsHold(BaseModel):
     For this resource it will always be `inbound_funds_hold`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class CheckDeposit(BaseModel):
     id: str
@@ -406,3 +456,15 @@ class CheckDeposit(BaseModel):
 
     For this resource it will always be `check_deposit`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/check_transfer.py b/src/increase/types/check_transfer.py
index d955b0a3d..e42b1e670 100644
--- a/src/increase/types/check_transfer.py
+++ b/src/increase/types/check_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -215,6 +217,18 @@ class PhysicalCheck(BaseModel):
     tracking_updates: List[PhysicalCheckTrackingUpdate]
     """Tracking updates relating to the physical check's delivery."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class StopPaymentRequest(BaseModel):
     reason: Literal["mail_delivery_failed", "rejected_by_increase", "not_authorized", "unknown"]
@@ -239,6 +253,18 @@ class StopPaymentRequest(BaseModel):
     For this resource it will always be `check_transfer_stop_payment_request`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SubmissionSubmittedAddress(BaseModel):
     city: str
@@ -285,11 +311,35 @@ class Submission(BaseModel):
     submitted_at: datetime
     """When this check transfer was submitted to our check printer."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class ThirdParty(BaseModel):
     recipient_name: Optional[str] = None
     """The name that you will print on the check."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class CheckTransfer(BaseModel):
     id: str
@@ -451,3 +501,15 @@ class CheckTransfer(BaseModel):
 
     For this resource it will always be `check_transfer`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/declined_transaction.py b/src/increase/types/declined_transaction.py
index 63e486271..c6fdabf0b 100644
--- a/src/increase/types/declined_transaction.py
+++ b/src/increase/types/declined_transaction.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -122,6 +124,18 @@ class SourceACHDecline(BaseModel):
     For this resource it will always be `ach_decline`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardDeclineAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -795,6 +809,18 @@ class SourceCardDecline(BaseModel):
     verification: SourceCardDeclineVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCheckDecline(BaseModel):
     amount: int
@@ -873,6 +899,18 @@ class SourceCheckDecline(BaseModel):
     - `user_initiated` - Your integration declined this check via the API.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCheckDepositRejection(BaseModel):
     amount: int
@@ -937,6 +975,18 @@ class SourceCheckDepositRejection(BaseModel):
     the check deposit was rejected.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundFednowTransferDecline(BaseModel):
     reason: Literal[
@@ -961,6 +1011,18 @@ class SourceInboundFednowTransferDecline(BaseModel):
     transfer_id: str
     """The identifier of the FedNow Transfer that led to this declined transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundRealTimePaymentsTransferDecline(BaseModel):
     amount: int
@@ -1047,6 +1109,18 @@ class SourceWireDecline(BaseModel):
       terms.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Source(BaseModel):
     ach_decline: Optional[SourceACHDecline] = None
@@ -1137,6 +1211,18 @@ class Source(BaseModel):
     equal to `wire_decline`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class DeclinedTransaction(BaseModel):
     id: str
@@ -1202,3 +1288,15 @@ class DeclinedTransaction(BaseModel):
 
     For this resource it will always be `declined_transaction`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/entity.py b/src/increase/types/entity.py
index 2bd94c198..3415982ef 100644
--- a/src/increase/types/entity.py
+++ b/src/increase/types/entity.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from datetime import date, datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 from .entity_supplemental_document import EntitySupplementalDocument
 
@@ -102,6 +104,18 @@ class CorporationBeneficialOwnerIndividualIdentification(BaseModel):
     individual's identity.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class CorporationBeneficialOwnerIndividual(BaseModel):
     address: CorporationBeneficialOwnerIndividualAddress
@@ -263,6 +277,18 @@ class JointIndividualIdentification(BaseModel):
     individual's identity.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class JointIndividual(BaseModel):
     address: JointIndividualAddress
@@ -326,6 +352,18 @@ class NaturalPersonIdentification(BaseModel):
     individual's identity.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class NaturalPerson(BaseModel):
     address: NaturalPersonAddress
@@ -430,6 +468,18 @@ class TrustGrantorIdentification(BaseModel):
     individual's identity.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class TrustGrantor(BaseModel):
     address: TrustGrantorAddress
@@ -485,6 +535,18 @@ class TrustTrusteeIndividualIdentification(BaseModel):
     individual's identity.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class TrustTrusteeIndividual(BaseModel):
     address: TrustTrusteeIndividualAddress
diff --git a/src/increase/types/external_account.py b/src/increase/types/external_account.py
index 42c40dcf9..c0cfac121 100644
--- a/src/increase/types/external_account.py
+++ b/src/increase/types/external_account.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["ExternalAccount"]
@@ -66,3 +68,15 @@ class ExternalAccount(BaseModel):
 
     For this resource it will always be `external_account`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/file.py b/src/increase/types/file.py
index 73af3da80..1675fba58 100644
--- a/src/increase/types/file.py
+++ b/src/increase/types/file.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["File"]
@@ -125,3 +127,15 @@ class File(BaseModel):
 
     For this resource it will always be `file`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/inbound_fednow_transfer.py b/src/increase/types/inbound_fednow_transfer.py
index 78c915104..6dc720184 100644
--- a/src/increase/types/inbound_fednow_transfer.py
+++ b/src/increase/types/inbound_fednow_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["InboundFednowTransfer", "Confirmation", "Decline"]
@@ -13,6 +15,18 @@ class Confirmation(BaseModel):
     transfer_id: str
     """The identifier of the FedNow Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Decline(BaseModel):
     reason: Literal[
@@ -37,6 +51,18 @@ class Decline(BaseModel):
     transfer_id: str
     """The identifier of the FedNow Transfer that led to this declined transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class InboundFednowTransfer(BaseModel):
     id: str
diff --git a/src/increase/types/inbound_mail_item.py b/src/increase/types/inbound_mail_item.py
index 3e1660b2d..5386061b7 100644
--- a/src/increase/types/inbound_mail_item.py
+++ b/src/increase/types/inbound_mail_item.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["InboundMailItem", "Check"]
@@ -67,3 +69,15 @@ class InboundMailItem(BaseModel):
 
     For this resource it will always be `inbound_mail_item`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/inbound_wire_drawdown_request.py b/src/increase/types/inbound_wire_drawdown_request.py
index 3810c3424..eba97035f 100644
--- a/src/increase/types/inbound_wire_drawdown_request.py
+++ b/src/increase/types/inbound_wire_drawdown_request.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["InboundWireDrawdownRequest"]
@@ -95,3 +97,15 @@ class InboundWireDrawdownRequest(BaseModel):
 
     unstructured_remittance_information: Optional[str] = None
     """A free-form message set by the sender."""
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/inbound_wire_transfer.py b/src/increase/types/inbound_wire_transfer.py
index 07c638079..0eab26d60 100644
--- a/src/increase/types/inbound_wire_transfer.py
+++ b/src/increase/types/inbound_wire_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["InboundWireTransfer", "Reversal"]
@@ -124,3 +126,15 @@ class InboundWireTransfer(BaseModel):
 
     wire_drawdown_request_id: Optional[str] = None
     """The wire drawdown request the inbound wire transfer is fulfilling."""
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/pending_transaction.py b/src/increase/types/pending_transaction.py
index e4d75174a..bebe00811 100644
--- a/src/increase/types/pending_transaction.py
+++ b/src/increase/types/pending_transaction.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -64,6 +66,18 @@ class SourceAccountTransferInstruction(BaseModel):
     transfer_id: str
     """The identifier of the Account Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceACHTransferInstruction(BaseModel):
     amount: int
@@ -72,6 +86,18 @@ class SourceACHTransferInstruction(BaseModel):
     transfer_id: str
     """The identifier of the ACH Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardAuthorizationAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -666,6 +692,18 @@ class SourceCardAuthorization(BaseModel):
     verification: SourceCardAuthorizationVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardPushTransferInstruction(BaseModel):
     amount: int
@@ -707,6 +745,18 @@ class SourceCheckDepositInstruction(BaseModel):
     was deposited.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCheckTransferInstruction(BaseModel):
     amount: int
@@ -728,11 +778,35 @@ class SourceCheckTransferInstruction(BaseModel):
     transfer_id: str
     """The identifier of the Check Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceFednowTransferInstruction(BaseModel):
     transfer_id: str
     """The identifier of the FedNow Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundFundsHold(BaseModel):
     amount: int
@@ -788,11 +862,35 @@ class SourceInboundFundsHold(BaseModel):
     For this resource it will always be `inbound_funds_hold`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundWireTransferReversal(BaseModel):
     inbound_wire_transfer_id: str
     """The ID of the Inbound Wire Transfer that is being reversed."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceRealTimePaymentsTransferInstruction(BaseModel):
     amount: int
@@ -809,6 +907,18 @@ class SourceSwiftTransferInstruction(BaseModel):
     transfer_id: str
     """The identifier of the Swift Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceWireTransferInstruction(BaseModel):
     account_number: str
@@ -829,6 +939,18 @@ class SourceWireTransferInstruction(BaseModel):
     transfer_id: str
     """The identifier of the Wire Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Source(BaseModel):
     account_transfer_instruction: Optional[SourceAccountTransferInstruction] = None
@@ -971,7 +1093,7 @@ class Source(BaseModel):
     equal to `swift_transfer_instruction`.
     """
 
-    user_initiated_hold: Optional[object] = None
+    user_initiated_hold: Optional[Dict[str, object]] = None
     """An User Initiated Hold object.
 
     This field will be present in the JSON response if and only if `category` is
@@ -986,6 +1108,18 @@ class Source(BaseModel):
     equal to `wire_transfer_instruction`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class PendingTransaction(BaseModel):
     id: str
@@ -1081,3 +1215,15 @@ class PendingTransaction(BaseModel):
 
     For this resource it will always be `pending_transaction`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/physical_card_profile.py b/src/increase/types/physical_card_profile.py
index 77eb2ac30..dac8be685 100644
--- a/src/increase/types/physical_card_profile.py
+++ b/src/increase/types/physical_card_profile.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = ["PhysicalCardProfile"]
@@ -77,3 +79,15 @@ class PhysicalCardProfile(BaseModel):
 
     For this resource it will always be `physical_card_profile`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/real_time_decision.py b/src/increase/types/real_time_decision.py
index 5489e91c5..3e3c971c6 100644
--- a/src/increase/types/real_time_decision.py
+++ b/src/increase/types/real_time_decision.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -700,6 +702,18 @@ class CardAuthorization(BaseModel):
     verification: CardAuthorizationVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class DigitalWalletAuthentication(BaseModel):
     card_id: str
diff --git a/src/increase/types/real_time_payments_transfer.py b/src/increase/types/real_time_payments_transfer.py
index eec89c8f8..07b182dd7 100644
--- a/src/increase/types/real_time_payments_transfer.py
+++ b/src/increase/types/real_time_payments_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from datetime import datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -346,3 +348,15 @@ class RealTimePaymentsTransfer(BaseModel):
     Set this if the funds are being sent on behalf of someone who is not the account
     holder at Increase.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/transaction.py b/src/increase/types/transaction.py
index d84a4d124..3512af64e 100644
--- a/src/increase/types/transaction.py
+++ b/src/increase/types/transaction.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
-from typing import List, Optional
+from typing import TYPE_CHECKING, Dict, List, Optional
 from datetime import date, datetime
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -99,6 +101,18 @@ class SourceAccountRevenuePayment(BaseModel):
     period_start: datetime
     """The start of the period for which this transaction paid account revenue."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceAccountTransferIntention(BaseModel):
     amount: int
@@ -132,6 +146,18 @@ class SourceAccountTransferIntention(BaseModel):
     transfer_id: str
     """The identifier of the Account Transfer that led to this Pending Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceACHTransferIntention(BaseModel):
     account_number: str
@@ -155,11 +181,35 @@ class SourceACHTransferIntention(BaseModel):
     transfer_id: str
     """The identifier of the ACH Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceACHTransferRejection(BaseModel):
     transfer_id: str
     """The identifier of the ACH Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceACHTransferReturn(BaseModel):
     created_at: datetime
@@ -410,6 +460,18 @@ class SourceACHTransferReturn(BaseModel):
     transfer_id: str
     """The identifier of the ACH Transfer associated with this return."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardDisputeAcceptance(BaseModel):
     accepted_at: datetime
@@ -424,6 +486,18 @@ class SourceCardDisputeAcceptance(BaseModel):
     to your account.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardDisputeFinancialVisa(BaseModel):
     event_type: Literal[
@@ -474,6 +548,18 @@ class SourceCardDisputeFinancial(BaseModel):
     `network` is equal to `visa`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardDisputeLoss(BaseModel):
     explanation: str
@@ -491,6 +577,18 @@ class SourceCardDisputeLoss(BaseModel):
     from your account.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardFinancialAdditionalAmountsClinic(BaseModel):
     amount: int
@@ -1079,6 +1177,18 @@ class SourceCardFinancial(BaseModel):
     verification: SourceCardFinancialVerification
     """Fields related to verification of cardholder-provided values."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardPushTransferAcceptance(BaseModel):
     amount: int
@@ -1087,6 +1197,18 @@ class SourceCardPushTransferAcceptance(BaseModel):
     transfer_id: str
     """The identifier of the Card Push Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardRefundCashback(BaseModel):
     amount: str
@@ -1650,6 +1772,18 @@ class SourceCardRefund(BaseModel):
     For this resource it will always be `card_refund`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardRevenuePayment(BaseModel):
     amount: int
@@ -1680,6 +1814,18 @@ class SourceCardRevenuePayment(BaseModel):
     transacted_on_account_id: Optional[str] = None
     """The account the card belonged to."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCardSettlementCashback(BaseModel):
     amount: str
@@ -2280,6 +2426,18 @@ class SourceCardSettlement(BaseModel):
     For this resource it will always be `card_settlement`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCashbackPayment(BaseModel):
     accrued_on_card_id: Optional[str] = None
@@ -2310,6 +2468,18 @@ class SourceCashbackPayment(BaseModel):
     period_start: datetime
     """The start of the period for which this transaction paid cashback."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCheckDepositAcceptance(BaseModel):
     account_number: str
@@ -2359,6 +2529,18 @@ class SourceCheckDepositAcceptance(BaseModel):
     field.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCheckDepositReturn(BaseModel):
     amount: int
@@ -2467,6 +2649,18 @@ class SourceCheckDepositReturn(BaseModel):
     transaction.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceCheckTransferDeposit(BaseModel):
     back_image_file_id: Optional[str] = None
@@ -2509,11 +2703,35 @@ class SourceCheckTransferDeposit(BaseModel):
     For this resource it will always be `check_transfer_deposit`.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceFednowTransferAcknowledgement(BaseModel):
     transfer_id: str
     """The identifier of the FedNow Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceFeePayment(BaseModel):
     amount: int
@@ -2541,6 +2759,18 @@ class SourceFeePayment(BaseModel):
     program_id: Optional[str] = None
     """The Program for which this fee was incurred."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundACHTransferAddendaFreeformEntry(BaseModel):
     payment_related_information: str
@@ -2610,11 +2840,35 @@ class SourceInboundACHTransfer(BaseModel):
     transfer_id: str
     """The Inbound ACH Transfer's identifier."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundACHTransferReturnIntention(BaseModel):
     inbound_ach_transfer_id: str
     """The ID of the Inbound ACH Transfer that is being returned."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundCheckAdjustment(BaseModel):
     adjusted_transaction_id: str
@@ -2636,6 +2890,18 @@ class SourceInboundCheckAdjustment(BaseModel):
       usually happens for e.g., low quality images.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundCheckDepositReturnIntention(BaseModel):
     inbound_check_deposit_id: str
@@ -2644,11 +2910,35 @@ class SourceInboundCheckDepositReturnIntention(BaseModel):
     transfer_id: Optional[str] = None
     """The identifier of the Check Transfer object that was deposited."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundFednowTransferConfirmation(BaseModel):
     transfer_id: str
     """The identifier of the FedNow Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundRealTimePaymentsTransferConfirmation(BaseModel):
     amount: int
@@ -2691,6 +2981,18 @@ class SourceInboundRealTimePaymentsTransferConfirmation(BaseModel):
     transfer_id: str
     """The identifier of the Real-Time Payments Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundWireReversal(BaseModel):
     amount: int
@@ -2748,6 +3050,18 @@ class SourceInboundWireReversal(BaseModel):
     wire_transfer_id: str
     """The ID for the Wire Transfer that is being reversed."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundWireTransfer(BaseModel):
     amount: int
@@ -2812,11 +3126,35 @@ class SourceInboundWireTransfer(BaseModel):
     unstructured_remittance_information: Optional[str] = None
     """A free-form message set by the sender."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInboundWireTransferReversal(BaseModel):
     inbound_wire_transfer_id: str
     """The ID of the Inbound Wire Transfer that is being reversed."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInterestPayment(BaseModel):
     accrued_on_account_id: str
@@ -2847,6 +3185,18 @@ class SourceInterestPayment(BaseModel):
     period_start: datetime
     """The start of the period for which this transaction paid interest."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceInternalSource(BaseModel):
     amount: int
@@ -2910,6 +3260,18 @@ class SourceInternalSource(BaseModel):
     - `sample_funds_return` - Sample funds return
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceRealTimePaymentsTransferAcknowledgement(BaseModel):
     amount: int
@@ -2927,21 +3289,69 @@ class SourceRealTimePaymentsTransferAcknowledgement(BaseModel):
     transfer_id: str
     """The identifier of the Real-Time Payments Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceSampleFunds(BaseModel):
     originator: str
     """Where the sample funds came from."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceSwiftTransferIntention(BaseModel):
     transfer_id: str
     """The identifier of the Swift Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceSwiftTransferReturn(BaseModel):
     transfer_id: str
     """The identifier of the Swift Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class SourceWireTransferIntention(BaseModel):
     account_number: str
@@ -2959,6 +3369,18 @@ class SourceWireTransferIntention(BaseModel):
     transfer_id: str
     """The identifier of the Wire Transfer that led to this Transaction."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Source(BaseModel):
     account_revenue_payment: Optional[SourceAccountRevenuePayment] = None
@@ -3384,6 +3806,18 @@ class Source(BaseModel):
     sent to a different bank.
     """
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Transaction(BaseModel):
     id: str
@@ -3452,3 +3886,15 @@ class Transaction(BaseModel):
 
     For this resource it will always be `transaction`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
diff --git a/src/increase/types/wire_transfer.py b/src/increase/types/wire_transfer.py
index f0132b3f4..d14ac9c66 100644
--- a/src/increase/types/wire_transfer.py
+++ b/src/increase/types/wire_transfer.py
@@ -1,9 +1,11 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 import datetime
-from typing import Optional
+from typing import TYPE_CHECKING, Dict, Optional
 from typing_extensions import Literal
 
+from pydantic import Field as FieldInfo
+
 from .._models import BaseModel
 
 __all__ = [
@@ -241,6 +243,18 @@ class Reversal(BaseModel):
     wire_transfer_id: str
     """The ID for the Wire Transfer that is being reversed."""
 
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]
+
 
 class Submission(BaseModel):
     input_message_accountability_data: str
@@ -383,3 +397,15 @@ class WireTransfer(BaseModel):
 
     For this resource it will always be `wire_transfer`.
     """
+
+    if TYPE_CHECKING:
+        # Some versions of Pydantic <2.8.0 have a bug and don’t allow assigning a
+        # value to this field, so for compatibility we avoid doing it at runtime.
+        __pydantic_extra__: Dict[str, object] = FieldInfo(init=False)  # pyright: ignore[reportIncompatibleVariableOverride]
+
+        # Stub to indicate that arbitrary properties are accepted.
+        # To access properties that are not valid identifiers you can use `getattr`, e.g.
+        # `getattr(obj, '$type')`
+        def __getattr__(self, attr: str) -> object: ...
+    else:
+        __pydantic_extra__: Dict[str, object]

From 6a64b22c6ce4dcb1a9559ed9356f2d2a2e71c27a Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Thu, 30 Oct 2025 18:05:29 +0000
Subject: [PATCH 4/4] release: 0.374.0

---
 .release-please-manifest.json |  2 +-
 CHANGELOG.md                  | 14 ++++++++++++++
 pyproject.toml                |  2 +-
 src/increase/_version.py      |  2 +-
 4 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 211b9f1a0..f83bd1f73 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.373.0"
+  ".": "0.374.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a59efa0e6..00822b412 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.374.0 (2025-10-30)
+
+Full Changelog: [v0.373.0...v0.374.0](https://github.com/Increase/increase-python/compare/v0.373.0...v0.374.0)
+
+### Features
+
+* **api:** api update ([d705fa1](https://github.com/Increase/increase-python/commit/d705fa1a03274a1b31c73f40e5754445d4503184))
+* **api:** api update ([da7b55d](https://github.com/Increase/increase-python/commit/da7b55d2191378721e1ebf49acfde8e8b4dacbda))
+
+
+### Chores
+
+* **internal/tests:** avoid race condition with implicit client cleanup ([41a58d4](https://github.com/Increase/increase-python/commit/41a58d40928ab6392025af88b54b83a0ad2f37de))
+
 ## 0.373.0 (2025-10-29)
 
 Full Changelog: [v0.372.0...v0.373.0](https://github.com/Increase/increase-python/compare/v0.372.0...v0.373.0)
diff --git a/pyproject.toml b/pyproject.toml
index 7e8390cb4..e97ac3959 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "increase"
-version = "0.373.0"
+version = "0.374.0"
 description = "The official Python library for the increase API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/increase/_version.py b/src/increase/_version.py
index 84b24d068..d0f423244 100644
--- a/src/increase/_version.py
+++ b/src/increase/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "increase"
-__version__ = "0.373.0"  # x-release-please-version
+__version__ = "0.374.0"  # x-release-please-version