# Authentication OpenAPI specification This is the documentation for the Ratepay authorization server. The API uses the OAuth 2.0 protocol with JSON Web Tokens (JWT) for authentication and authorization. Version: version 1 ## Servers Ratepay Authorization Server ``` https://oauth.ratepay.com ``` ## Download OpenAPI description [Authentication OpenAPI specification](https://docs.ratepay.com/_bundle/apis/authentication/openapi/authentication_api.yaml) ## Other ### Request OAuth token - [POST /oauth/token](https://docs.ratepay.com/apis/authentication/openapi/authentication_api/other/createoauthtoken.md): Request an OAuth token from the Ratepay authorization server.