Checkout.com · Authentication Profile

Checkout Com Authentication

Authentication

Checkout.com secures its APIs with http and oauth2 across 2 declared security schemes, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the clientCredentials flow(s).

FintechPaymentsCardsAcquiringCross-Border
Methods: http, oauth2 Schemes: 2 OAuth flows: clientCredentials API key in:

Security Schemes

BearerAuth http
scheme: bearer
OAuth2 oauth2
· flows: clientCredentials

Source

Authentication Profile

checkout-com-authentication.yml Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/checkout-com-openapi.yml
summary:
  types:
  - http
  - oauth2
  oauth2_flows:
  - clientCredentials
schemes:
- name: BearerAuth
  type: http
  scheme: bearer
  description: Secret API key as Bearer token (format `Bearer sk_...`).
  sources:
  - openapi/checkout-com-openapi.yml
- name: OAuth2
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: https://access.checkout.com/connect/token
    scopes: 2
  description: OAuth 2.0 client credentials flow
  sources:
  - openapi/checkout-com-openapi.yml