diff --git a/mediacloud/api.py b/mediacloud/api.py
index 0c20282..abb42de 100644
--- a/mediacloud/api.py
+++ b/mediacloud/api.py
@@ -1,8 +1,8 @@
 import datetime as dt
 import importlib.metadata
 import logging
-from typing import Any, Dict, List, Optional, Union
 import warnings
+from typing import Any, Dict, List, Optional, Union
 
 import requests
 
@@ -62,11 +62,10 @@ def _query(self, endpoint: str, params: Optional[Dict] = None, method: str = 'GE
             r = self._session.post(endpoint_url, json=params, timeout=self.TIMEOUT_SECS)
         else:
             raise RuntimeError(f"Unsupported method of '{method}'")
-        if r.status_code != 200: 
+        if r.status_code != 200:
             raise mediacloud.error.APIResponseError(r, params, r.json())
-            
-        return r.json()
 
+        return r.json()
 
 
 class DirectoryApi(BaseApi):
@@ -148,7 +147,6 @@ def _prep_default_params(self, query: str, start_date: dt.date, end_date: dt.dat
             end_date = end_date.date()
             warnings.warn("end_date was passed as datetime, but expected as date, and has been recast")
 
-
         params: Dict[Any, Any] = dict(start=start_date.isoformat(), end=end_date.isoformat(), q=query,
                                       platform=(platform or self.PROVIDER))
         if len(source_ids):
@@ -172,6 +170,13 @@ def story_count_over_time(self, query: str, start_date: dt.date, end_date: dt.da
             d['date'] = dt.date.fromisoformat(d['date'][:10])
         return results['count_over_time']['counts']
 
+    def stories_by_source_week(self, query: str, start_date: dt.date, end_date: dt.date,
+                               collection_ids: Optional[List[int]] = [], source_ids: Optional[List[int]] = [],
+                               platform: Optional[str] = None) -> List[Dict]:
+        params = self._prep_default_params(query, start_date, end_date, collection_ids, source_ids, platform)
+        results = self._query('search/count-by-source-week', params)
+        return results['source-week-attention']
+
     def story_list(self, query: str, start_date: dt.date, end_date: dt.date, collection_ids: Optional[List[int]] = [],
                    source_ids: Optional[List[int]] = [], platform: Optional[str] = None,
                    expanded: Optional[bool] = None, pagination_token: Optional[str] = None,
diff --git a/mediacloud/test/api_search_test.py b/mediacloud/test/api_search_test.py
index 8b9327f..1f4f60b 100644
--- a/mediacloud/test/api_search_test.py
+++ b/mediacloud/test/api_search_test.py
@@ -2,7 +2,9 @@
 import os
 import time
 from unittest import TestCase
+
 import pytest
+
 import mediacloud.api
 
 COLLECTION_US_NATIONAL = 34412234
@@ -236,6 +238,19 @@ def test_collection_ids_filter(self):
         for s in results:
             assert s['media_url'] in domains
 
+    def test_stories_by_source_week(self):
+        results = self._search.stories_by_source_week(query="tariff AND Trump",
+                                                      start_date=dt.date(2025, 1, 1),
+                                                      end_date=dt.date(2025, 12, 31),
+                                                      collection_ids=[262985236])
+        assert len(results) > 0
+        for entry in results:
+            assert 'media_name' in entry
+            assert 'week' in entry
+            assert 'matching_stories' in entry
+            assert 'total_stories' in entry
+            assert 'ratio' in entry
+
 
 class SearchSyntaxTest(TestCase):
 
@@ -324,8 +339,9 @@ def test_negation_source(self):
         assert not_count < all_count
         assert minus_count == not_count
 
+
 class SearchErrorHandlingTest(TestCase):
-    #New test cases for how the api handles bad input and errors from the server. 
+    # New test cases for how the api handles bad input and errors from the server.
 
     START_DATE = dt.date(2024, 1, 1)
     END_DATE = dt.date(2024, 1, 30)
@@ -339,10 +355,10 @@ def setUp(self):
     def test_datetime(self):
         query = "biden"
         result_via_date = self._search.story_count(query=query, start_date=self.START_DATE, end_date=self.END_DATE,
-                                        collection_ids=[COLLECTION_US_NATIONAL])['relevant']
+                                                   collection_ids=[COLLECTION_US_NATIONAL])['relevant']
 
         with pytest.warns(UserWarning):
             result_via_datetime = self._search.story_count(query=query, start_date=self.START_DATETIME, end_date=self.END_DATETIME,
-                                            collection_ids=[COLLECTION_US_NATIONAL])['relevant']
+                                                           collection_ids=[COLLECTION_US_NATIONAL])['relevant']
 
         assert result_via_date == result_via_datetime