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OpenAPI Specification

openapi: 3.2.0
info:
  title: Checkout Connect API
  version: '2026-10-08'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-08: 4 operation(s) read from 3 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Checkout has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 4
    documentation: 0
    pages-with-code: 3
    pages-read: 3
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-08'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://www.checkout.com/docs/resources/api-authentication/api-keys
  - https://api-reference.checkout.com
  - https://www.checkout.com/docs/risk-management/3d-secure/sessions
security:
- bearer: []
tags:
- name: Connect
paths:
  /connect/token:
    get:
      operationId: get_connect_token
      tags:
      - Connect
      summary: GET /connect/token
      x-source: https://api-reference.checkout.com
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl --location 'https://{prefix}.access.checkout.com/connect/token'  --header 'Content-Type: application/x-www-form-urlencoded'  -- data -urlencode 'grant_type=client_credentials'  -- data -urlencode 'client_id=ack_...'  -- data -urlencode 'client_secret=...' \n The token server returns a Bearer access_token in JSON Web Token (JWT) format. Use this token in the Authorization header of your API req"
    post:
      operationId: post_connect_token
      tags:
      - Connect
      summary: POST /connect/token
      x-source: https://www.checkout.com/docs/risk-management/3d-secure/sessions
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl --location --request POST ''https://{prefix}.access.sandbox.checkout.com/connect/token'' \ 2 --header ''Content-Type: application/x-www-form-urlencoded'' \ 3 --data-urlencode ''grant_type=client_credentials'' \ 4 --data-urlencode ''client_id=ack_3kgxgdj773yubf4sfmiht3r4h4'' \ 5 --data-urlencode ''client_secret=PddTMk1FBjk1MDQHtBt1U8cHjZvS+Guc80NmcUHp3pHevOpt7EgYkT/DWae7gnOTlF6kPCPo+RZEu9xut/5VWA=='' Re'
components:
  securitySchemes:
    bearer:
      type: http
      scheme: bearer