Clerk Compatibility

Ruby on Rails and Clerk integrate seamlessly for authentication, with Clerk handling user management while Rails focuses on business logic.

FastAPI and Clerk work seamlessly together for building Python APIs with enterprise-grade authentication and user management.

Django and Clerk can work together, but Clerk is primarily designed for frontend authentication while Django handles backend logic—requiring middleware setup to bridge the gap.

Flask and Clerk integrate seamlessly for production-ready authentication without building auth from scratch.

NestJS and Clerk work together seamlessly for building authenticated backend applications with enterprise-grade user management.

Fastify and Clerk work together seamlessly for building authenticated applications with minimal setup.

You can use Clerk and Supabase together, but they duplicate authentication responsibilities and require careful architecture to avoid conflicts.

Clerk can be integrated into Laravel applications, but requires custom middleware and API calls since there's no official Laravel SDK—you'll be working primarily through Clerk's REST API and frontend JavaScript SDK.

You can use Firebase and Clerk together, but they overlap on authentication—you'll need to choose which handles user auth and integrate them carefully.