release: 0.15.0

.github/workflows/ci.yml

@@ -26,9 +26,9 @@ jobs:
       github.repository == 'stainless-sdks/lithic-ruby' &&
       (github.event_name == 'push' || github.event.pull_request.head.repo.fork) && (github.event_name != 'push' || github.event.head_commit.message != 'codegen metadata')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-
@@ -39,7 +39,7 @@ jobs:
           github.repository == 'stainless-sdks/lithic-ruby' &&
           !startsWith(github.ref, 'refs/heads/stl/')
         id: github-oidc
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
@@ -60,9 +60,9 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-
@@ -76,9 +76,9 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/lithic-ruby' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-

.github/workflows/publish-gem.yml

@@ -14,9 +14,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-

.github/workflows/release-doctor.yml

@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'lithic-com/lithic-ruby' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Check release environment
         run: |

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.14.0"
+  ".": "0.15.0"
 }

.stats.yml

@@ -1,4 +1,4 @@
-configured_endpoints: 193
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-00f07b0edcc0c3c5ef79920ced7f58dac2434df5e4c27ff6041783e8228315f9.yml
-openapi_spec_hash: 963688b09480159a06865075c94a2577
-config_hash: 265a2b679964f4ad5706de101ad2a942
+configured_endpoints: 195
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic/lithic-efe780032e44b3cf0f6914407e43bce6aa7176fa50aa6ec018f93c1f28af8490.yml
+openapi_spec_hash: fcb4ca53ca59978f23f21d7c74fcc0b0
+config_hash: a0a579b0564a5c18568a78f5ba2b6653

CHANGELOG.md

@@ -1,5 +1,31 @@
 # Changelog
 
+## 0.15.0 (2026-05-27)
+
+Full Changelog: [v0.14.0...v0.15.0](https://github.com/lithic-com/lithic-ruby/compare/v0.14.0...v0.15.0)
+
+### Features
+
+* **api:** Add authorization challenge response endpoint and webhook ([a270862](https://github.com/lithic-com/lithic-ruby/commit/a270862d8522a456f88111f92d91d7adfe285b96))
+* **api:** add INVALID_PAN value to TokenizationDeclineReason enum ([751f176](https://github.com/lithic-com/lithic-ruby/commit/751f176d6bd4a895c00edce99cb22055001c5597))
+* **api:** Add OUT_OF_BAND challenge method and DECLINED status to Authorization ([886bb10](https://github.com/lithic-com/lithic-ruby/commit/886bb1020fcc81e4862cbceee98fcb8eb7ac9b35))
+* **api:** Add pause external bank account endpoint ([1f9fdd2](https://github.com/lithic-com/lithic-ruby/commit/1f9fdd2ba99353edb1560877ca098664e4fbb1a9))
+* **api:** Add schemas for authorization adjustment rules ([61998a2](https://github.com/lithic-com/lithic-ruby/commit/61998a2d54a2eb05f1fe517e34bfbedbe1dbd02c))
+
+
+### Bug Fixes
+
+* **client:** elide content type header on requests without body ([d3a58d5](https://github.com/lithic-com/lithic-ruby/commit/d3a58d57130f65c30e56d39ba380cf8fe04e49da))
+* **types:** correct value type from Integer to Float in auth rules ([c8a51d0](https://github.com/lithic-com/lithic-ruby/commit/c8a51d0231516251e038f074e3fc364222570f57))
+* **types:** make cardholder_currency nullable in CardProgram ([89ded5f](https://github.com/lithic-com/lithic-ruby/commit/89ded5fe6729b1e0db8cb280e1da402b9a1a01b8))
+* **types:** make external_id, naics_code nullable in enrollment, parent_company in kyb ([1128d8d](https://github.com/lithic-com/lithic-ruby/commit/1128d8df654667a9a2db5ec75e5a5eb9755c75e2))
+* **types:** make fields nullable across balance/statement/settlement/etc, add enum values ([6259d4f](https://github.com/lithic-com/lithic-ruby/commit/6259d4fa0c42b77ce2f7abe4962c64ca9eb53117))
+
+
+### Documentation
+
+* **api:** clarify ACCOUNT_AGE behavior in auth_rules conditional parameters ([8b7bfc8](https://github.com/lithic-com/lithic-ruby/commit/8b7bfc850151d17038fb50aecc6509aa81196e77))
+
 ## 0.14.0 (2026-05-08)
 
 Full Changelog: [v0.13.0...v0.14.0](https://github.com/lithic-com/lithic-ruby/compare/v0.13.0...v0.14.0)

Gemfile.lock

@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    lithic (0.14.0)
+    lithic (0.15.0)
       cgi
       connection_pool
 

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", "~> 0.14.0"
+gem "lithic", "~> 0.15.0"
 ```
 
 <!-- x-release-please-end -->

lib/lithic.rb

@@ -61,6 +61,7 @@
 require_relative "lithic/models/auth_rules/v2/backtest_results"
 require_relative "lithic/models/book_transfer_response"
 require_relative "lithic/models/non_pci_card"
+require_relative "lithic/models/card_authorization"
 require_relative "lithic/models/transactions/events/enhanced_data"
 require_relative "lithic/models/dispute_evidence"
 require_relative "lithic/models/dispute_v2"
@@ -125,6 +126,7 @@
 require_relative "lithic/models/auth_rules/conditional_ach_action_parameters"
 require_relative "lithic/models/auth_rules/conditional_attribute"
 require_relative "lithic/models/auth_rules/conditional_authorization_action_parameters"
+require_relative "lithic/models/auth_rules/conditional_authorization_adjustment_parameters"
 require_relative "lithic/models/auth_rules/conditional_block_parameters"
 require_relative "lithic/models/auth_rules/conditional_card_transaction_update_action_parameters"
 require_relative "lithic/models/auth_rules/conditional_operation"
@@ -172,7 +174,9 @@
 require_relative "lithic/models/book_transfer_transaction_updated_webhook_event"
 require_relative "lithic/models/card"
 require_relative "lithic/models/card_authorization_approval_request_webhook_event"
+require_relative "lithic/models/card_authorization_challenge_response_params"
 require_relative "lithic/models/card_authorization_challenge_response_webhook_event"
+require_relative "lithic/models/card_authorization_challenge_webhook_event"
 require_relative "lithic/models/card_bulk_order"
 require_relative "lithic/models/card_bulk_order_create_params"
 require_relative "lithic/models/card_bulk_order_list_params"
@@ -269,6 +273,7 @@
 require_relative "lithic/models/external_bank_account_create_response"
 require_relative "lithic/models/external_bank_account_list_params"
 require_relative "lithic/models/external_bank_account_list_response"
+require_relative "lithic/models/external_bank_account_pause_params"
 require_relative "lithic/models/external_bank_account_retrieve_params"
 require_relative "lithic/models/external_bank_account_retrieve_response"
 require_relative "lithic/models/external_bank_account_retry_micro_deposits_params"
@@ -476,6 +481,7 @@
 require_relative "lithic/resources/auth_stream_enrollment"
 require_relative "lithic/resources/balances"
 require_relative "lithic/resources/book_transfers"
+require_relative "lithic/resources/card_authorizations"
 require_relative "lithic/resources/card_bulk_orders"
 require_relative "lithic/resources/card_programs"
 require_relative "lithic/resources/cards"

lib/lithic/client.rb

@@ -47,6 +47,9 @@ class Client < Lithic::Internal::Transport::BaseClient
     # @return [Lithic::Resources::Cards]
     attr_reader :cards
 
+    # @return [Lithic::Resources::CardAuthorizations]
+    attr_reader :card_authorizations
+
     # @return [Lithic::Resources::CardBulkOrders]
     attr_reader :card_bulk_orders
 
@@ -222,6 +225,7 @@ def initialize(
       @tokenization_decisioning = Lithic::Resources::TokenizationDecisioning.new(client: self)
       @tokenizations = Lithic::Resources::Tokenizations.new(client: self)
       @cards = Lithic::Resources::Cards.new(client: self)
+      @card_authorizations = Lithic::Resources::CardAuthorizations.new(client: self)
       @card_bulk_orders = Lithic::Resources::CardBulkOrders.new(client: self)
       @balances = Lithic::Resources::Balances.new(client: self)
       @disputes = Lithic::Resources::Disputes.new(client: self)

lib/lithic/internal/transport/base_client.rb

@@ -306,6 +306,8 @@ def initialize(
               Lithic::Internal::Util.deep_merge(*[req[:body], opts[:extra_body]].compact)
             end
 
+          headers.delete("content-type") if body.nil?
+
           url = Lithic::Internal::Util.join_parsed_uri(
             @base_url_components,
             {**req, path: path, query: query}

lib/lithic/models.rb

@@ -130,12 +130,18 @@ module Lithic
 
   Card = Lithic::Models::Card
 
+  CardAuthorization = Lithic::Models::CardAuthorization
+
   CardAuthorizationApprovalRequestWebhookEvent =
     Lithic::Models::CardAuthorizationApprovalRequestWebhookEvent
 
+  CardAuthorizationChallengeResponseParams = Lithic::Models::CardAuthorizationChallengeResponseParams
+
   CardAuthorizationChallengeResponseWebhookEvent =
     Lithic::Models::CardAuthorizationChallengeResponseWebhookEvent
 
+  CardAuthorizationChallengeWebhookEvent = Lithic::Models::CardAuthorizationChallengeWebhookEvent
+
   CardBulkOrder = Lithic::Models::CardBulkOrder
 
   CardBulkOrderCreateParams = Lithic::Models::CardBulkOrderCreateParams
@@ -296,6 +302,8 @@ module Lithic
 
   ExternalBankAccountListParams = Lithic::Models::ExternalBankAccountListParams
 
+  ExternalBankAccountPauseParams = Lithic::Models::ExternalBankAccountPauseParams
+
   ExternalBankAccountRetrieveParams = Lithic::Models::ExternalBankAccountRetrieveParams
 
   ExternalBankAccountRetryMicroDepositsParams = Lithic::Models::ExternalBankAccountRetryMicroDepositsParams

lib/lithic/models/account_holder_simulate_enrollment_review_response.rb

@@ -88,7 +88,7 @@ class AccountHolderSimulateEnrollmentReviewResponse < Lithic::Internal::Type::Ba
       #   the Lithic ecosystem.
       #
       #   @return [String, nil]
-      optional :external_id, String
+      optional :external_id, String, nil?: true
 
       # @!attribute individual
       #   Only present when user_type == "INDIVIDUAL". Information about the individual
@@ -102,7 +102,7 @@ class AccountHolderSimulateEnrollmentReviewResponse < Lithic::Internal::Type::Ba
       #   Classification System (NAICS) code for the business.
       #
       #   @return [String, nil]
-      optional :naics_code, String
+      optional :naics_code, String, nil?: true
 
       # @!attribute nature_of_business
       #   Only present when user_type == "BUSINESS". User-submitted description of the
@@ -191,11 +191,11 @@ class AccountHolderSimulateEnrollmentReviewResponse < Lithic::Internal::Type::Ba
       #
       #   @param exemption_type [Symbol, Lithic::Models::AccountHolderSimulateEnrollmentReviewResponse::ExemptionType, nil] The type of KYC exemption for a KYC-Exempt Account Holder. `null` if the account
       #
-      #   @param external_id [String] Customer-provided token that indicates a relationship with an object outside of
+      #   @param external_id [String, nil] Customer-provided token that indicates a relationship with an object outside of
       #
       #   @param individual [Lithic::Models::AccountHolderSimulateEnrollmentReviewResponse::Individual] Only present when user_type == "INDIVIDUAL". Information about the individual fo
       #
-      #   @param naics_code [String] Only present when user_type == "BUSINESS". 6-digit North American Industry Class
+      #   @param naics_code [String, nil] Only present when user_type == "BUSINESS". 6-digit North American Industry Class
       #
       #   @param nature_of_business [String] Only present when user_type == "BUSINESS". User-submitted description of the bus
       #