diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b2091d64..d455ce9a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.152.0"
+  ".": "1.153.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index fe442fee..5c11eef9 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 229
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-f24e91d60005894c135a6ccad84e179e0a2cb64def7e1101904c430a8e5e5dd9.yml
-openapi_spec_hash: a63e06588ae354c03b68d6cb9d965e11
-config_hash: ca1425272e17fa23d4466d33492334fa
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-d3646347697623deab851a220ce4b217e923bde3b3108af9eceb4da6df0534e2.yml
+openapi_spec_hash: 516fabeef616c695941d3a4aa4051f76
+config_hash: b6f365add90e618b2174634df140826e
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50e23a7e..12920696 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.153.0 (2025-12-04)
+
+Full Changelog: [v1.152.0...v1.153.0](https://github.com/Increase/increase-ruby/compare/v1.152.0...v1.153.0)
+
+### Features
+
+* **api:** api update ([91788b0](https://github.com/Increase/increase-ruby/commit/91788b00fe683e5af6cdf6856a689c4238c2620c))
+
 ## 1.152.0 (2025-12-01)
 
 Full Changelog: [v1.151.0...v1.152.0](https://github.com/Increase/increase-ruby/compare/v1.151.0...v1.152.0)
diff --git a/Gemfile.lock b/Gemfile.lock
index b73dbef1..ca519df2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    increase (1.152.0)
+    increase (1.153.0)
       connection_pool
 
 GEM
diff --git a/README.md b/README.md
index 2690bd95..e4919c14 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "increase", "~> 1.152.0"
+gem "increase", "~> 1.153.0"
 ```
 
 <!-- x-release-please-end -->
diff --git a/lib/increase/models/real_time_decision.rb b/lib/increase/models/real_time_decision.rb
index f7e26e99..f3e0be34 100644
--- a/lib/increase/models/real_time_decision.rb
+++ b/lib/increase/models/real_time_decision.rb
@@ -256,6 +256,13 @@ class CardAuthorization < Increase::Internal::Type::BaseModel
         #   @return [Increase::Models::RealTimeDecision::CardAuthorization::AdditionalAmounts]
         required :additional_amounts, -> { Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts }
 
+        # @!attribute approval
+        #   Present if and only if `decision` is `approve`. Contains information related to
+        #   the approval of the authorization.
+        #
+        #   @return [Increase::Models::RealTimeDecision::CardAuthorization::Approval, nil]
+        required :approval, -> { Increase::RealTimeDecision::CardAuthorization::Approval }, nil?: true
+
         # @!attribute card_id
         #   The identifier of the Card that is being authorized.
         #
@@ -354,6 +361,13 @@ class CardAuthorization < Increase::Internal::Type::BaseModel
         #   @return [Integer, nil]
         required :network_risk_score, Integer, nil?: true
 
+        # @!attribute partial_approval_capability
+        #   Whether or not the authorization supports partial approvals.
+        #
+        #   @return [Symbol, Increase::Models::RealTimeDecision::CardAuthorization::PartialApprovalCapability]
+        required :partial_approval_capability,
+                 enum: -> { Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability }
+
         # @!attribute physical_card_id
         #   If the authorization was made in-person with a physical card, the Physical Card
         #   that was used.
@@ -424,7 +438,7 @@ class CardAuthorization < Increase::Internal::Type::BaseModel
         #   @return [Increase::Models::RealTimeDecision::CardAuthorization::Verification]
         required :verification, -> { Increase::RealTimeDecision::CardAuthorization::Verification }
 
-        # @!method initialize(account_id:, additional_amounts:, card_id:, decision:, decline:, digital_wallet_token_id:, direction:, merchant_acceptor_id:, merchant_category_code:, merchant_city:, merchant_country:, merchant_descriptor:, merchant_postal_code:, merchant_state:, network_details:, network_identifiers:, network_risk_score:, physical_card_id:, presentment_amount:, presentment_currency:, processing_category:, request_details:, settlement_amount:, settlement_currency:, terminal_id:, upcoming_card_payment_id:, verification:)
+        # @!method initialize(account_id:, additional_amounts:, approval:, card_id:, decision:, decline:, digital_wallet_token_id:, direction:, merchant_acceptor_id:, merchant_category_code:, merchant_city:, merchant_country:, merchant_descriptor:, merchant_postal_code:, merchant_state:, network_details:, network_identifiers:, network_risk_score:, partial_approval_capability:, physical_card_id:, presentment_amount:, presentment_currency:, processing_category:, request_details:, settlement_amount:, settlement_currency:, terminal_id:, upcoming_card_payment_id:, verification:)
         #   Some parameter documentations has been truncated, see
         #   {Increase::Models::RealTimeDecision::CardAuthorization} for more details.
         #
@@ -434,6 +448,8 @@ class CardAuthorization < Increase::Internal::Type::BaseModel
         #
         #   @param additional_amounts [Increase::Models::RealTimeDecision::CardAuthorization::AdditionalAmounts] Additional amounts associated with the card authorization, such as ATM surcharge
         #
+        #   @param approval [Increase::Models::RealTimeDecision::CardAuthorization::Approval, nil] Present if and only if `decision` is `approve`. Contains information related to
+        #
         #   @param card_id [String] The identifier of the Card that is being authorized.
         #
         #   @param decision [Symbol, Increase::Models::RealTimeDecision::CardAuthorization::Decision, nil] Whether or not the authorization was approved.
@@ -464,6 +480,8 @@ class CardAuthorization < Increase::Internal::Type::BaseModel
         #
         #   @param network_risk_score [Integer, nil] The risk score generated by the card network. For Visa this is the Visa Advanced
         #
+        #   @param partial_approval_capability [Symbol, Increase::Models::RealTimeDecision::CardAuthorization::PartialApprovalCapability] Whether or not the authorization supports partial approvals.
+        #
         #   @param physical_card_id [String, nil] If the authorization was made in-person with a physical card, the Physical Card
         #
         #   @param presentment_amount [Integer] The amount of the attempted authorization in the currency the card user sees at
@@ -886,6 +904,26 @@ class Vision < Increase::Internal::Type::BaseModel
           end
         end
 
+        # @see Increase::Models::RealTimeDecision::CardAuthorization#approval
+        class Approval < Increase::Internal::Type::BaseModel
+          # @!attribute partial_amount
+          #   If the authorization was partially approved, this field contains the approved
+          #   amount in the minor unit of the settlement currency.
+          #
+          #   @return [Integer, nil]
+          required :partial_amount, Integer, nil?: true
+
+          # @!method initialize(partial_amount:)
+          #   Some parameter documentations has been truncated, see
+          #   {Increase::Models::RealTimeDecision::CardAuthorization::Approval} for more
+          #   details.
+          #
+          #   Present if and only if `decision` is `approve`. Contains information related to
+          #   the approval of the authorization.
+          #
+          #   @param partial_amount [Integer, nil] If the authorization was partially approved, this field contains the approved am
+        end
+
         # Whether or not the authorization was approved.
         #
         # @see Increase::Models::RealTimeDecision::CardAuthorization#decision
@@ -1231,6 +1269,22 @@ class NetworkIdentifiers < Increase::Internal::Type::BaseModel
           #   @param transaction_id [String, nil] A globally unique transaction identifier provided by the card network, used acro
         end
 
+        # Whether or not the authorization supports partial approvals.
+        #
+        # @see Increase::Models::RealTimeDecision::CardAuthorization#partial_approval_capability
+        module PartialApprovalCapability
+          extend Increase::Internal::Type::Enum
+
+          # This transaction supports partial approvals.
+          SUPPORTED = :supported
+
+          # This transaction does not support partial approvals.
+          NOT_SUPPORTED = :not_supported
+
+          # @!method self.values
+          #   @return [Array<Symbol>]
+        end
+
         # The processing category describes the intent behind the authorization, such as
         # whether it was used for bill payments or an automatic fuel dispenser.
         #
diff --git a/lib/increase/models/real_time_decision_action_params.rb b/lib/increase/models/real_time_decision_action_params.rb
index e5c60cbc..36dfc1b9 100644
--- a/lib/increase/models/real_time_decision_action_params.rb
+++ b/lib/increase/models/real_time_decision_action_params.rb
@@ -196,7 +196,16 @@ class Approval < Increase::Internal::Type::BaseModel
           optional :cardholder_address_verification_result,
                    -> { Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult }
 
-          # @!method initialize(cardholder_address_verification_result: nil)
+          # @!attribute partial_amount
+          #   If the transaction supports partial approvals
+          #   (`partial_approval_capability: supported`) the `partial_amount` can be provided
+          #   in the transaction's settlement currency to approve a lower amount than was
+          #   requested.
+          #
+          #   @return [Integer, nil]
+          optional :partial_amount, Integer
+
+          # @!method initialize(cardholder_address_verification_result: nil, partial_amount: nil)
           #   Some parameter documentations has been truncated, see
           #   {Increase::Models::RealTimeDecisionActionParams::CardAuthorization::Approval}
           #   for more details.
@@ -207,6 +216,8 @@ class Approval < Increase::Internal::Type::BaseModel
           #   but indicate the address does not match.
           #
           #   @param cardholder_address_verification_result [Increase::Models::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult] Your decisions on whether or not each provided address component is a match. You
+          #
+          #   @param partial_amount [Integer] If the transaction supports partial approvals (`partial_approval_capability: sup
 
           # @see Increase::Models::RealTimeDecisionActionParams::CardAuthorization::Approval#cardholder_address_verification_result
           class CardholderAddressVerificationResult < Increase::Internal::Type::BaseModel
diff --git a/lib/increase/version.rb b/lib/increase/version.rb
index 276835c3..9d6cbf33 100644
--- a/lib/increase/version.rb
+++ b/lib/increase/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Increase
-  VERSION = "1.152.0"
+  VERSION = "1.153.0"
 end
diff --git a/rbi/increase/models/real_time_decision.rbi b/rbi/increase/models/real_time_decision.rbi
index b3f4a533..bbf316ba 100644
--- a/rbi/increase/models/real_time_decision.rbi
+++ b/rbi/increase/models/real_time_decision.rbi
@@ -463,6 +463,25 @@ module Increase
         end
         attr_writer :additional_amounts
 
+        # Present if and only if `decision` is `approve`. Contains information related to
+        # the approval of the authorization.
+        sig do
+          returns(
+            T.nilable(Increase::RealTimeDecision::CardAuthorization::Approval)
+          )
+        end
+        attr_reader :approval
+
+        sig do
+          params(
+            approval:
+              T.nilable(
+                Increase::RealTimeDecision::CardAuthorization::Approval::OrHash
+              )
+          ).void
+        end
+        attr_writer :approval
+
         # The identifier of the Card that is being authorized.
         sig { returns(String) }
         attr_accessor :card_id
@@ -577,6 +596,14 @@ module Increase
         sig { returns(T.nilable(Integer)) }
         attr_accessor :network_risk_score
 
+        # Whether or not the authorization supports partial approvals.
+        sig do
+          returns(
+            Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability::TaggedSymbol
+          )
+        end
+        attr_accessor :partial_approval_capability
+
         # If the authorization was made in-person with a physical card, the Physical Card
         # that was used.
         sig { returns(T.nilable(String)) }
@@ -656,6 +683,10 @@ module Increase
             account_id: String,
             additional_amounts:
               Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts::OrHash,
+            approval:
+              T.nilable(
+                Increase::RealTimeDecision::CardAuthorization::Approval::OrHash
+              ),
             card_id: String,
             decision:
               T.nilable(
@@ -680,6 +711,8 @@ module Increase
             network_identifiers:
               Increase::RealTimeDecision::CardAuthorization::NetworkIdentifiers::OrHash,
             network_risk_score: T.nilable(Integer),
+            partial_approval_capability:
+              Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability::OrSymbol,
             physical_card_id: T.nilable(String),
             presentment_amount: Integer,
             presentment_currency: String,
@@ -702,6 +735,9 @@ module Increase
           # surcharges fees. These are usually a subset of the `amount` field and are used
           # to provide more detailed information about the transaction.
           additional_amounts:,
+          # Present if and only if `decision` is `approve`. Contains information related to
+          # the approval of the authorization.
+          approval:,
           # The identifier of the Card that is being authorized.
           card_id:,
           # Whether or not the authorization was approved.
@@ -740,6 +776,8 @@ module Increase
           # Authorization risk score, from 0 to 99, where 99 is the riskiest. For Pulse the
           # score is from 0 to 999, where 999 is the riskiest.
           network_risk_score:,
+          # Whether or not the authorization supports partial approvals.
+          partial_approval_capability:,
           # If the authorization was made in-person with a physical card, the Physical Card
           # that was used.
           physical_card_id:,
@@ -778,6 +816,10 @@ module Increase
               account_id: String,
               additional_amounts:
                 Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts,
+              approval:
+                T.nilable(
+                  Increase::RealTimeDecision::CardAuthorization::Approval
+                ),
               card_id: String,
               decision:
                 T.nilable(
@@ -802,6 +844,8 @@ module Increase
               network_identifiers:
                 Increase::RealTimeDecision::CardAuthorization::NetworkIdentifiers,
               network_risk_score: T.nilable(Integer),
+              partial_approval_capability:
+                Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability::TaggedSymbol,
               physical_card_id: T.nilable(String),
               presentment_amount: Integer,
               presentment_currency: String,
@@ -1571,6 +1615,37 @@ module Increase
           end
         end
 
+        class Approval < Increase::Internal::Type::BaseModel
+          OrHash =
+            T.type_alias do
+              T.any(
+                Increase::RealTimeDecision::CardAuthorization::Approval,
+                Increase::Internal::AnyHash
+              )
+            end
+
+          # If the authorization was partially approved, this field contains the approved
+          # amount in the minor unit of the settlement currency.
+          sig { returns(T.nilable(Integer)) }
+          attr_accessor :partial_amount
+
+          # Present if and only if `decision` is `approve`. Contains information related to
+          # the approval of the authorization.
+          sig do
+            params(partial_amount: T.nilable(Integer)).returns(T.attached_class)
+          end
+          def self.new(
+            # If the authorization was partially approved, this field contains the approved
+            # amount in the minor unit of the settlement currency.
+            partial_amount:
+          )
+          end
+
+          sig { override.returns({ partial_amount: T.nilable(Integer) }) }
+          def to_hash
+          end
+        end
+
         # Whether or not the authorization was approved.
         module Decision
           extend Increase::Internal::Type::Enum
@@ -2333,6 +2408,44 @@ module Increase
           end
         end
 
+        # Whether or not the authorization supports partial approvals.
+        module PartialApprovalCapability
+          extend Increase::Internal::Type::Enum
+
+          TaggedSymbol =
+            T.type_alias do
+              T.all(
+                Symbol,
+                Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability
+              )
+            end
+          OrSymbol = T.type_alias { T.any(Symbol, String) }
+
+          # This transaction supports partial approvals.
+          SUPPORTED =
+            T.let(
+              :supported,
+              Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability::TaggedSymbol
+            )
+
+          # This transaction does not support partial approvals.
+          NOT_SUPPORTED =
+            T.let(
+              :not_supported,
+              Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability::TaggedSymbol
+            )
+
+          sig do
+            override.returns(
+              T::Array[
+                Increase::RealTimeDecision::CardAuthorization::PartialApprovalCapability::TaggedSymbol
+              ]
+            )
+          end
+          def self.values
+          end
+        end
+
         # The processing category describes the intent behind the authorization, such as
         # whether it was used for bill payments or an automatic fuel dispenser.
         module ProcessingCategory
diff --git a/rbi/increase/models/real_time_decision_action_params.rbi b/rbi/increase/models/real_time_decision_action_params.rbi
index 7328c0a9..8814a8de 100644
--- a/rbi/increase/models/real_time_decision_action_params.rbi
+++ b/rbi/increase/models/real_time_decision_action_params.rbi
@@ -498,6 +498,16 @@ module Increase
           end
           attr_writer :cardholder_address_verification_result
 
+          # If the transaction supports partial approvals
+          # (`partial_approval_capability: supported`) the `partial_amount` can be provided
+          # in the transaction's settlement currency to approve a lower amount than was
+          # requested.
+          sig { returns(T.nilable(Integer)) }
+          attr_reader :partial_amount
+
+          sig { params(partial_amount: Integer).void }
+          attr_writer :partial_amount
+
           # If your application approves the authorization, this contains metadata about
           # your decision to approve. Your response here is advisory to the acquiring bank.
           # The bank may choose to reverse the authorization if you approve the transaction
@@ -505,7 +515,8 @@ module Increase
           sig do
             params(
               cardholder_address_verification_result:
-                Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult::OrHash
+                Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult::OrHash,
+              partial_amount: Integer
             ).returns(T.attached_class)
           end
           def self.new(
@@ -515,7 +526,12 @@ module Increase
             # information, see our
             # [Address Verification System Codes and Overrides](https://increase.com/documentation/address-verification-system-codes-and-overrides)
             # guide.
-            cardholder_address_verification_result: nil
+            cardholder_address_verification_result: nil,
+            # If the transaction supports partial approvals
+            # (`partial_approval_capability: supported`) the `partial_amount` can be provided
+            # in the transaction's settlement currency to approve a lower amount than was
+            # requested.
+            partial_amount: nil
           )
           end
 
@@ -523,7 +539,8 @@ module Increase
             override.returns(
               {
                 cardholder_address_verification_result:
-                  Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult
+                  Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult,
+                partial_amount: Integer
               }
             )
           end
diff --git a/sig/increase/models/real_time_decision.rbs b/sig/increase/models/real_time_decision.rbs
index 16ce276b..eb3d95cc 100644
--- a/sig/increase/models/real_time_decision.rbs
+++ b/sig/increase/models/real_time_decision.rbs
@@ -170,6 +170,7 @@ module Increase
         {
           account_id: String,
           additional_amounts: Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts,
+          approval: Increase::RealTimeDecision::CardAuthorization::Approval?,
           card_id: String,
           decision: Increase::Models::RealTimeDecision::CardAuthorization::decision?,
           decline: Increase::RealTimeDecision::CardAuthorization::Decline?,
@@ -185,6 +186,7 @@ module Increase
           network_details: Increase::RealTimeDecision::CardAuthorization::NetworkDetails,
           network_identifiers: Increase::RealTimeDecision::CardAuthorization::NetworkIdentifiers,
           network_risk_score: Integer?,
+          partial_approval_capability: Increase::Models::RealTimeDecision::CardAuthorization::partial_approval_capability,
           physical_card_id: String?,
           presentment_amount: Integer,
           presentment_currency: String,
@@ -202,6 +204,8 @@ module Increase
 
         attr_accessor additional_amounts: Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts
 
+        attr_accessor approval: Increase::RealTimeDecision::CardAuthorization::Approval?
+
         attr_accessor card_id: String
 
         attr_accessor decision: Increase::Models::RealTimeDecision::CardAuthorization::decision?
@@ -232,6 +236,8 @@ module Increase
 
         attr_accessor network_risk_score: Integer?
 
+        attr_accessor partial_approval_capability: Increase::Models::RealTimeDecision::CardAuthorization::partial_approval_capability
+
         attr_accessor physical_card_id: String?
 
         attr_accessor presentment_amount: Integer
@@ -255,6 +261,7 @@ module Increase
         def initialize: (
           account_id: String,
           additional_amounts: Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts,
+          approval: Increase::RealTimeDecision::CardAuthorization::Approval?,
           card_id: String,
           decision: Increase::Models::RealTimeDecision::CardAuthorization::decision?,
           decline: Increase::RealTimeDecision::CardAuthorization::Decline?,
@@ -270,6 +277,7 @@ module Increase
           network_details: Increase::RealTimeDecision::CardAuthorization::NetworkDetails,
           network_identifiers: Increase::RealTimeDecision::CardAuthorization::NetworkIdentifiers,
           network_risk_score: Integer?,
+          partial_approval_capability: Increase::Models::RealTimeDecision::CardAuthorization::partial_approval_capability,
           physical_card_id: String?,
           presentment_amount: Integer,
           presentment_currency: String,
@@ -285,6 +293,7 @@ module Increase
         def to_hash: -> {
           account_id: String,
           additional_amounts: Increase::RealTimeDecision::CardAuthorization::AdditionalAmounts,
+          approval: Increase::RealTimeDecision::CardAuthorization::Approval?,
           card_id: String,
           decision: Increase::Models::RealTimeDecision::CardAuthorization::decision?,
           decline: Increase::RealTimeDecision::CardAuthorization::Decline?,
@@ -300,6 +309,7 @@ module Increase
           network_details: Increase::RealTimeDecision::CardAuthorization::NetworkDetails,
           network_identifiers: Increase::RealTimeDecision::CardAuthorization::NetworkIdentifiers,
           network_risk_score: Integer?,
+          partial_approval_capability: Increase::Models::RealTimeDecision::CardAuthorization::partial_approval_capability,
           physical_card_id: String?,
           presentment_amount: Integer,
           presentment_currency: String,
@@ -494,6 +504,16 @@ module Increase
           end
         end
 
+        type approval = { partial_amount: Integer? }
+
+        class Approval < Increase::Internal::Type::BaseModel
+          attr_accessor partial_amount: Integer?
+
+          def initialize: (partial_amount: Integer?) -> void
+
+          def to_hash: -> { partial_amount: Integer? }
+        end
+
         type decision = :approve | :decline
 
         module Decision
@@ -803,6 +823,20 @@ module Increase
           }
         end
 
+        type partial_approval_capability = :supported | :not_supported
+
+        module PartialApprovalCapability
+          extend Increase::Internal::Type::Enum
+
+          # This transaction supports partial approvals.
+          SUPPORTED: :supported
+
+          # This transaction does not support partial approvals.
+          NOT_SUPPORTED: :not_supported
+
+          def self?.values: -> ::Array[Increase::Models::RealTimeDecision::CardAuthorization::partial_approval_capability]
+        end
+
         type processing_category =
           :account_funding
           | :automatic_fuel_dispenser
diff --git a/sig/increase/models/real_time_decision_action_params.rbs b/sig/increase/models/real_time_decision_action_params.rbs
index 5cb20478..671c03c9 100644
--- a/sig/increase/models/real_time_decision_action_params.rbs
+++ b/sig/increase/models/real_time_decision_action_params.rbs
@@ -177,7 +177,8 @@ module Increase
 
         type approval =
           {
-            cardholder_address_verification_result: Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult
+            cardholder_address_verification_result: Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult,
+            partial_amount: Integer
           }
 
         class Approval < Increase::Internal::Type::BaseModel
@@ -187,12 +188,18 @@ module Increase
             Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult
           ) -> Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult
 
+          attr_reader partial_amount: Integer?
+
+          def partial_amount=: (Integer) -> Integer
+
           def initialize: (
-            ?cardholder_address_verification_result: Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult
+            ?cardholder_address_verification_result: Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult,
+            ?partial_amount: Integer
           ) -> void
 
           def to_hash: -> {
-            cardholder_address_verification_result: Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult
+            cardholder_address_verification_result: Increase::RealTimeDecisionActionParams::CardAuthorization::Approval::CardholderAddressVerificationResult,
+            partial_amount: Integer
           }
 
           type cardholder_address_verification_result =