# Authentication

OAuth 2.0 token retrieval and API authentication.

 - [POST /api/client/token/site](https://api-doc.immo-facile.com/openapi/authentication/obtainsitetoken.md): Authenticate using client credentials to obtain a Bearer token scoped to a site. This endpoint is shared between V1 and V2. The token must be included in the `Authorization: Bearer {token}` header for