lithic-com · stainless-app · Sep 1, 2026 · Sep 3, 2026 · Sep 3, 2026
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.20.0"
+  ".": "0.21.0"
 }
diff --git a/.stats.yml b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 216
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-38a020a15ab14f79c7fea3290822406cf80a9d43d46ab3295632a9723f5e42cd.yml
-openapi_spec_hash: 5a7357a17c5119bc91d8f5e42297fac3
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-61d6a4ff8361065995b3a743d6034b7deb3d307e3f3d0c9ef24010dd1b71d692.yml
+openapi_spec_hash: 736b5c82d6b4a14788140fe05e0fbc30
 config_hash: 27fa50e251754c8982e3dc615ef6da41
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.21.0 (2026-09-03)
+
+Full Changelog: [v0.20.0...v0.21.0](https://github.com/lithic-com/lithic-ruby/compare/v0.20.0...v0.21.0)
+
+### Features
+
+* **api:** add EXTERNAL_STABLECOIN category and events to payment resources ([518aebb](https://github.com/lithic-com/lithic-ruby/commit/518aebb0cf94cbc0b1ca1ef85a94a71c5bf1983e))
+* **api:** add OTHER enum value to auth_rules type field ([1bb4cc8](https://github.com/lithic-com/lithic-ruby/commit/1bb4cc80ab6e025ebf0d6fcdd88c5b62cbb602a0))
+
 ## 0.20.0 (2026-08-31)
 
 Full Changelog: [v0.19.0...v0.20.0](https://github.com/lithic-com/lithic-ruby/compare/v0.19.0...v0.20.0)

diff --git a/Gemfile.lock b/Gemfile.lock
@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    lithic (0.20.0)
+    lithic (0.21.0)
       cgi
       connection_pool
 

diff --git a/README.md b/README.md
@@ -24,7 +24,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "lithic", "~> 0.20.0"
+gem "lithic", "~> 0.21.0"
 ```
 
 <!-- x-release-please-end -->

diff --git a/lib/lithic/models/account_activity_list_params.rb b/lib/lithic/models/account_activity_list_params.rb
@@ -123,6 +123,7 @@ module Category
         EXTERNAL_CHECK = :EXTERNAL_CHECK
         EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
         EXTERNAL_RTP = :EXTERNAL_RTP
+        EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
         EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
         EXTERNAL_WIRE = :EXTERNAL_WIRE
         MANAGEMENT_ADJUSTMENT = :MANAGEMENT_ADJUSTMENT

diff --git a/lib/lithic/models/account_activity_list_response.rb b/lib/lithic/models/account_activity_list_response.rb
@@ -162,6 +162,7 @@ module Category
           EXTERNAL_CHECK = :EXTERNAL_CHECK
           EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
           EXTERNAL_RTP = :EXTERNAL_RTP
+          EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
           EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
           EXTERNAL_WIRE = :EXTERNAL_WIRE
           MANAGEMENT_ADJUSTMENT = :MANAGEMENT_ADJUSTMENT

diff --git a/lib/lithic/models/account_activity_retrieve_transaction_response.rb b/lib/lithic/models/account_activity_retrieve_transaction_response.rb
@@ -165,6 +165,7 @@ module Category
           EXTERNAL_CHECK = :EXTERNAL_CHECK
           EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
           EXTERNAL_RTP = :EXTERNAL_RTP
+          EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
           EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
           EXTERNAL_WIRE = :EXTERNAL_WIRE
           MANAGEMENT_ADJUSTMENT = :MANAGEMENT_ADJUSTMENT

diff --git a/lib/lithic/models/auth_rules/auth_rule.rb b/lib/lithic/models/auth_rules/auth_rule.rb
@@ -86,6 +86,8 @@ class AuthRule < Lithic::Internal::Type::BaseModel
         #   - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
         #     ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
         #     ACH_PAYMENT_UPDATE event stream.
+        #   - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+        #     are read-only; `OTHER` cannot be used when creating a rule.
         #
         #   @return [Symbol, Lithic::Models::AuthRules::AuthRule::Type]
         required :type, enum: -> { Lithic::AuthRules::AuthRule::Type }
@@ -339,6 +341,8 @@ module State
         # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
         #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
         #   ACH_PAYMENT_UPDATE event stream.
+        # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+        #   are read-only; `OTHER` cannot be used when creating a rule.
         #
         # @see Lithic::Models::AuthRules::AuthRule#type
         module Type
@@ -349,6 +353,7 @@ module Type
           MERCHANT_LOCK = :MERCHANT_LOCK
           CONDITIONAL_ACTION = :CONDITIONAL_ACTION
           TYPESCRIPT_CODE = :TYPESCRIPT_CODE
+          OTHER = :OTHER
 
           # @!method self.values
           #   @return [Array<Symbol>]

diff --git a/lib/lithic/models/auth_rules/v2_create_params.rb b/lib/lithic/models/auth_rules/v2_create_params.rb
@@ -49,6 +49,8 @@ class AccountLevelRule < Lithic::Internal::Type::BaseModel
             #   - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
             #     ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
             #     ACH_PAYMENT_UPDATE event stream.
+            #   - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+            #     are read-only; `OTHER` cannot be used when creating a rule.
             #
             #   @return [Symbol, Lithic::Models::AuthRules::V2CreateParams::Body::AccountLevelRule::Type]
             required :type, enum: -> { Lithic::AuthRules::V2CreateParams::Body::AccountLevelRule::Type }
@@ -143,6 +145,8 @@ module Parameters
             # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
             #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
             #   ACH_PAYMENT_UPDATE event stream.
+            # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+            #   are read-only; `OTHER` cannot be used when creating a rule.
             #
             # @see Lithic::Models::AuthRules::V2CreateParams::Body::AccountLevelRule#type
             module Type
@@ -153,6 +157,7 @@ module Type
               MERCHANT_LOCK = :MERCHANT_LOCK
               CONDITIONAL_ACTION = :CONDITIONAL_ACTION
               TYPESCRIPT_CODE = :TYPESCRIPT_CODE
+              OTHER = :OTHER
 
               # @!method self.values
               #   @return [Array<Symbol>]
@@ -188,6 +193,8 @@ class CardLevelRule < Lithic::Internal::Type::BaseModel
             #   - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
             #     ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
             #     ACH_PAYMENT_UPDATE event stream.
+            #   - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+            #     are read-only; `OTHER` cannot be used when creating a rule.
             #
             #   @return [Symbol, Lithic::Models::AuthRules::V2CreateParams::Body::CardLevelRule::Type]
             required :type, enum: -> { Lithic::AuthRules::V2CreateParams::Body::CardLevelRule::Type }
@@ -268,6 +275,8 @@ module Parameters
             # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
             #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
             #   ACH_PAYMENT_UPDATE event stream.
+            # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+            #   are read-only; `OTHER` cannot be used when creating a rule.
             #
             # @see Lithic::Models::AuthRules::V2CreateParams::Body::CardLevelRule#type
             module Type
@@ -278,6 +287,7 @@ module Type
               MERCHANT_LOCK = :MERCHANT_LOCK
               CONDITIONAL_ACTION = :CONDITIONAL_ACTION
               TYPESCRIPT_CODE = :TYPESCRIPT_CODE
+              OTHER = :OTHER
 
               # @!method self.values
               #   @return [Array<Symbol>]
@@ -313,6 +323,8 @@ class ProgramLevelRule < Lithic::Internal::Type::BaseModel
             #   - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
             #     ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
             #     ACH_PAYMENT_UPDATE event stream.
+            #   - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+            #     are read-only; `OTHER` cannot be used when creating a rule.
             #
             #   @return [Symbol, Lithic::Models::AuthRules::V2CreateParams::Body::ProgramLevelRule::Type]
             required :type, enum: -> { Lithic::AuthRules::V2CreateParams::Body::ProgramLevelRule::Type }
@@ -417,6 +429,8 @@ module Parameters
             # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
             #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
             #   ACH_PAYMENT_UPDATE event stream.
+            # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+            #   are read-only; `OTHER` cannot be used when creating a rule.
             #
             # @see Lithic::Models::AuthRules::V2CreateParams::Body::ProgramLevelRule#type
             module Type
@@ -427,6 +441,7 @@ module Type
               MERCHANT_LOCK = :MERCHANT_LOCK
               CONDITIONAL_ACTION = :CONDITIONAL_ACTION
               TYPESCRIPT_CODE = :TYPESCRIPT_CODE
+              OTHER = :OTHER
 
               # @!method self.values
               #   @return [Array<Symbol>]

diff --git a/lib/lithic/models/external_payment.rb b/lib/lithic/models/external_payment.rb
@@ -134,6 +134,7 @@ module Category
         EXTERNAL_CHECK = :EXTERNAL_CHECK
         EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
         EXTERNAL_RTP = :EXTERNAL_RTP
+        EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
         EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
 
         # @!method self.values
@@ -247,6 +248,11 @@ module Type
           EXTERNAL_RTP_SETTLED = :EXTERNAL_RTP_SETTLED
           EXTERNAL_RTP_REVERSED = :EXTERNAL_RTP_REVERSED
           EXTERNAL_RTP_RELEASED = :EXTERNAL_RTP_RELEASED
+          EXTERNAL_STABLECOIN_INITIATED = :EXTERNAL_STABLECOIN_INITIATED
+          EXTERNAL_STABLECOIN_CANCELED = :EXTERNAL_STABLECOIN_CANCELED
+          EXTERNAL_STABLECOIN_SETTLED = :EXTERNAL_STABLECOIN_SETTLED
+          EXTERNAL_STABLECOIN_REVERSED = :EXTERNAL_STABLECOIN_REVERSED
+          EXTERNAL_STABLECOIN_RELEASED = :EXTERNAL_STABLECOIN_RELEASED
 
           # @!method self.values
           #   @return [Array<Symbol>]

diff --git a/lib/lithic/models/external_payment_create_params.rb b/lib/lithic/models/external_payment_create_params.rb
@@ -86,6 +86,7 @@ module Category
         EXTERNAL_CHECK = :EXTERNAL_CHECK
         EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
         EXTERNAL_RTP = :EXTERNAL_RTP
+        EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
         EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
 
         # @!method self.values

diff --git a/lib/lithic/models/external_payment_list_params.rb b/lib/lithic/models/external_payment_list_params.rb
@@ -106,6 +106,7 @@ module Category
         EXTERNAL_CHECK = :EXTERNAL_CHECK
         EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
         EXTERNAL_RTP = :EXTERNAL_RTP
+        EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
         EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
 
         # @!method self.values

diff --git a/lib/lithic/models/financial_accounts/statements/statement_line_items.rb b/lib/lithic/models/financial_accounts/statements/statement_line_items.rb
@@ -162,6 +162,7 @@ module Category
               EXTERNAL_CHECK = :EXTERNAL_CHECK
               EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
               EXTERNAL_RTP = :EXTERNAL_RTP
+              EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
               EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
               EXTERNAL_WIRE = :EXTERNAL_WIRE
               MANAGEMENT_ADJUSTMENT = :MANAGEMENT_ADJUSTMENT
@@ -234,6 +235,11 @@ module EventType
               EXTERNAL_RTP_RELEASED = :EXTERNAL_RTP_RELEASED
               EXTERNAL_RTP_REVERSED = :EXTERNAL_RTP_REVERSED
               EXTERNAL_RTP_SETTLED = :EXTERNAL_RTP_SETTLED
+              EXTERNAL_STABLECOIN_CANCELED = :EXTERNAL_STABLECOIN_CANCELED
+              EXTERNAL_STABLECOIN_INITIATED = :EXTERNAL_STABLECOIN_INITIATED
+              EXTERNAL_STABLECOIN_RELEASED = :EXTERNAL_STABLECOIN_RELEASED
+              EXTERNAL_STABLECOIN_REVERSED = :EXTERNAL_STABLECOIN_REVERSED
+              EXTERNAL_STABLECOIN_SETTLED = :EXTERNAL_STABLECOIN_SETTLED
               EXTERNAL_TRANSFER_CANCELED = :EXTERNAL_TRANSFER_CANCELED
               EXTERNAL_TRANSFER_INITIATED = :EXTERNAL_TRANSFER_INITIATED
               EXTERNAL_TRANSFER_RELEASED = :EXTERNAL_TRANSFER_RELEASED

diff --git a/lib/lithic/models/financial_event.rb b/lib/lithic/models/financial_event.rb
@@ -121,6 +121,11 @@ module Type
         EXTERNAL_RTP_RELEASED = :EXTERNAL_RTP_RELEASED
         EXTERNAL_RTP_REVERSED = :EXTERNAL_RTP_REVERSED
         EXTERNAL_RTP_SETTLED = :EXTERNAL_RTP_SETTLED
+        EXTERNAL_STABLECOIN_CANCELED = :EXTERNAL_STABLECOIN_CANCELED
+        EXTERNAL_STABLECOIN_INITIATED = :EXTERNAL_STABLECOIN_INITIATED
+        EXTERNAL_STABLECOIN_RELEASED = :EXTERNAL_STABLECOIN_RELEASED
+        EXTERNAL_STABLECOIN_REVERSED = :EXTERNAL_STABLECOIN_REVERSED
+        EXTERNAL_STABLECOIN_SETTLED = :EXTERNAL_STABLECOIN_SETTLED
         EXTERNAL_TRANSFER_CANCELED = :EXTERNAL_TRANSFER_CANCELED
         EXTERNAL_TRANSFER_INITIATED = :EXTERNAL_TRANSFER_INITIATED
         EXTERNAL_TRANSFER_RELEASED = :EXTERNAL_TRANSFER_RELEASED

diff --git a/lib/lithic/models/payment.rb b/lib/lithic/models/payment.rb
@@ -222,6 +222,7 @@ module Category
         EXTERNAL_CHECK = :EXTERNAL_CHECK
         EXTERNAL_FEDNOW = :EXTERNAL_FEDNOW
         EXTERNAL_RTP = :EXTERNAL_RTP
+        EXTERNAL_STABLECOIN = :EXTERNAL_STABLECOIN
         EXTERNAL_TRANSFER = :EXTERNAL_TRANSFER
         EXTERNAL_WIRE = :EXTERNAL_WIRE
         MANAGEMENT_ADJUSTMENT = :MANAGEMENT_ADJUSTMENT

diff --git a/lib/lithic/version.rb b/lib/lithic/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Lithic
-  VERSION = "0.20.0"
+  VERSION = "0.21.0"
 end
diff --git a/rbi/lithic/models/account_activity_list_params.rbi b/rbi/lithic/models/account_activity_list_params.rbi
@@ -250,6 +250,11 @@ module Lithic
             :EXTERNAL_RTP,
             Lithic::AccountActivityListParams::Category::TaggedSymbol
           )
+        EXTERNAL_STABLECOIN =
+          T.let(
+            :EXTERNAL_STABLECOIN,
+            Lithic::AccountActivityListParams::Category::TaggedSymbol
+          )
         EXTERNAL_TRANSFER =
           T.let(
             :EXTERNAL_TRANSFER,

diff --git a/rbi/lithic/models/account_activity_list_response.rbi b/rbi/lithic/models/account_activity_list_response.rbi
@@ -256,6 +256,11 @@ module Lithic
               :EXTERNAL_RTP,
               Lithic::Models::AccountActivityListResponse::Internal::Category::TaggedSymbol
             )
+          EXTERNAL_STABLECOIN =
+            T.let(
+              :EXTERNAL_STABLECOIN,
+              Lithic::Models::AccountActivityListResponse::Internal::Category::TaggedSymbol
+            )
           EXTERNAL_TRANSFER =
             T.let(
               :EXTERNAL_TRANSFER,

diff --git a/rbi/lithic/models/account_activity_retrieve_transaction_response.rbi b/rbi/lithic/models/account_activity_retrieve_transaction_response.rbi
@@ -256,6 +256,11 @@ module Lithic
               :EXTERNAL_RTP,
               Lithic::Models::AccountActivityRetrieveTransactionResponse::Internal::Category::TaggedSymbol
             )
+          EXTERNAL_STABLECOIN =
+            T.let(
+              :EXTERNAL_STABLECOIN,
+              Lithic::Models::AccountActivityRetrieveTransactionResponse::Internal::Category::TaggedSymbol
+            )
           EXTERNAL_TRANSFER =
             T.let(
               :EXTERNAL_TRANSFER,

diff --git a/rbi/lithic/models/auth_rules/auth_rule.rbi b/rbi/lithic/models/auth_rules/auth_rule.rbi
@@ -85,6 +85,8 @@ module Lithic
         # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
         #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
         #   ACH_PAYMENT_UPDATE event stream.
+        # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+        #   are read-only; `OTHER` cannot be used when creating a rule.
         sig { returns(Lithic::AuthRules::AuthRule::Type::TaggedSymbol) }
         attr_accessor :type
 
@@ -167,6 +169,8 @@ module Lithic
           # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
           #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
           #   ACH_PAYMENT_UPDATE event stream.
+          # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+          #   are read-only; `OTHER` cannot be used when creating a rule.
           type:,
           # Account tokens to which the Auth Rule does not apply.
           excluded_account_tokens: nil,
@@ -517,6 +521,8 @@ module Lithic
         # - `TYPESCRIPT_CODE`: AUTHORIZATION, THREE_DS_AUTHENTICATION, TOKENIZATION,
         #   ACH_CREDIT_RECEIPT, ACH_DEBIT_RECEIPT, CARD_TRANSACTION_UPDATE, or
         #   ACH_PAYMENT_UPDATE event stream.
+        # - `OTHER`: A rule whose type is not exposed through this API. Rules of this type
+        #   are read-only; `OTHER` cannot be used when creating a rule.
         module Type
           extend Lithic::Internal::Type::Enum
 
@@ -549,6 +555,7 @@ module Lithic
               :TYPESCRIPT_CODE,
               Lithic::AuthRules::AuthRule::Type::TaggedSymbol
             )
+          OTHER = T.let(:OTHER, Lithic::AuthRules::AuthRule::Type::TaggedSymbol)
 
           sig do
             override.returns(