generated: '2026-07-11'
method: derived
source: openapi/mastercard-gateway-api-openapi.yml
summary:
  types:
  - http
  - mutualTLS
schemes:
- name: BasicAuth
  type: http
  scheme: basic
  description: |-
    HTTP Basic authentication using `merchant.<merchantId>` as the
    username and the API password (integration password) as the
    password.
  sources:
  - openapi/mastercard-gateway-api-openapi.yml
- name: CertificateAuth
  type: mutualTLS
  description: |-
    Client-certificate (mutual TLS) authentication, available as an
    alternative to password-based merchant authentication.
  sources:
  - openapi/mastercard-gateway-api-openapi.yml