Billieio · Authentication Profile

Billieio Authentication

Authentication

OAuth 2.0 client‑credentials flow with Bearer token in the Authorization header.

Billieio declares 1 security scheme(s) across its OpenAPI definitions.

FintechPaymentsB2BEurope
Methods: Schemes: 1 OAuth flows: API key in:

Security Schemes

OAuth2 oauth2
· flows:

Source

Authentication Profile

Raw ↑
generated: '2026-09-28'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://docs.billie.io/reference/authentication.md
sources:
- https://docs.billie.io/reference/authentication.md
- https://docs.billie.io/reference/oauth_token_create.md
- https://docs.billie.io/reference/oauth_token_validate.md
- https://docs.billie.io/reference/oauth_token_revoke.md
description: OAuth 2.0 client‑credentials flow with Bearer token in the Authorization header.
schemes:
- type: oauth2
  name: OAuth2
  evidence: This API uses OAuth 2.0 for secure authentication.
  flows:
  - client_credentials
  token_url: https://paella-sandbox.billie.io/api/v2/oauth/token
  how_to_obtain: 'Obtain a JWT access token by sending a POST request to the token endpoint with `grant_type=client_credentials`, `client_id`
    and `client_secret` in the request body. The returned `access_token` is then sent in the `Authorization: Bearer <token>` header on subsequent
    API calls.'
note: The same token endpoint is also available on the production server at https://paella.billie.io/api/v2/oauth/token.
docs: https://docs.billie.io/reference/authentication.md

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