FastAPI Zitadel Auth

Simplify OAuth2 authentication and authorization in FastAPI apps using Zitadel.

Documentation: https://cleanenergyexchange.github.io/fastapi-zitadel-auth

Source Code: https://github.com/cleanenergyexchange/fastapi-zitadel-auth

Features

• Authorization Code flow with PKCE
• JWT validation using JWKS
• Role-based access control using Zitadel roles
• Service user authentication (JWT Profile)
• Swagger UI integration
• Type-safe token validation
• Extensible claims and user models

Note: This library implements JWT, locally validated using JWKS, as it prioritizes performance, see Zitadel docs on Opaque tokens vs JWT. If you need to validate opaque tokens using Introspection, please open an issue – PRs are welcome!

License

This project is licensed under the terms of the MIT license.

Acknowledgements

This package was heavily inspired by intility/fastapi-azure-auth. Give them a star ⭐️!