Marriott International · Authentication Profile

Marriott International Authentication

Authentication

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

Fortune 500
Methods: apiKey, oauth2 Schemes: 2 OAuth flows: clientCredentials API key in: header

Security Schemes

oauth2 oauth2
· flows: clientCredentials
apiKey apiKey
· in: header (X-API-Key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/marriott-international-developer-api-openapi.yml
summary:
  types:
  - apiKey
  - oauth2
  api_key_in:
  - header
  oauth2_flows:
  - clientCredentials
schemes:
- name: oauth2
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: https://devportalprod.marriott.com/oauth/token
    scopes: 2
  sources:
  - openapi/marriott-international-developer-api-openapi.yml
- name: apiKey
  type: apiKey
  in: header
  parameter: X-API-Key
  sources:
  - openapi/marriott-international-developer-api-openapi.yml