PKCE Authentication Demo

This application demonstrates a PKCE authentication flow with Zitadel. Perfect for learning OAuth 2.0 security patterns and integrating with your own application.

Secure by Design

PKCE prevents authorization code interception attacks without requiring client secrets.

Standards Compliant

Built on OAuth 2.0 and OpenID Connect specifications for maximum compatibility.

Developer Friendly

Quick to integrate with comprehensive documentation and examples.

What happens when you click the button:

1 Generate code verifier & challenge

2 Redirect to Zitadel authorization

3 Exchange code for tokens

✓ Access granted securely