generated: '2026-07-11'
method: derived
docs: https://developers.sinch.com/docs/numbers/api-reference/authentication/oauth
note: Sinch OAuth 2.0 uses the client_credentials flow with project access keys (key
  ID and secret) and does not publish or use OAuth scopes (https://developers.sinch.com/docs/numbers/api-reference/authentication/oauth).
source: openapi/sinch-conversation-openapi.yml, openapi/sinch-elastic-sip-trunking-openapi.yml,
  openapi/sinch-fax-openapi.yml, openapi/sinch-numbers-openapi.yml, openapi/sinch-provisioning-openapi.yml,
  openapi/sinch-registration-openapi.yml
schemes:
- name: oAuth2
  source: openapi/sinch-conversation-openapi.yml
  flows:
  - flow: clientCredentials
    tokenUrl: https://auth.sinch.com/oauth2/token
  description: OAuth 2.0 client credentials flow using project key ID and secret.
- name: oAuth2
  source: openapi/sinch-elastic-sip-trunking-openapi.yml
  flows:
  - flow: clientCredentials
    tokenUrl: https://auth.sinch.com/oauth2/token
  description: OAuth 2.0 client credentials flow.
- name: oAuth2
  source: openapi/sinch-fax-openapi.yml
  flows:
  - flow: clientCredentials
    tokenUrl: https://auth.sinch.com/oauth2/token
  description: OAuth 2.0 client credentials flow.
- name: oAuth2
  source: openapi/sinch-numbers-openapi.yml
  flows:
  - flow: clientCredentials
    tokenUrl: https://auth.sinch.com/oauth2/token
  description: OAuth 2.0 client credentials flow.
- name: oAuth2
  source: openapi/sinch-provisioning-openapi.yml
  flows:
  - flow: clientCredentials
    tokenUrl: https://auth.sinch.com/oauth2/token
  description: OAuth 2.0 client credentials flow.
- name: oAuth2
  source: openapi/sinch-registration-openapi.yml
  flows:
  - flow: clientCredentials
    tokenUrl: https://auth.sinch.com/oauth2/token
  description: OAuth 2.0 client credentials flow.
scopes: []