OAuth 2.0 & OpenID Connect 1.0 Architecture
The Universal Identity Layer for f0undr
Allow any external website, mobile app, or SaaS to integrate a single-click "Continue with f0undr" login button — exactly like Sign in with Google.
Universal Integration
Standard OpenID Connect compliant with NextAuth.js, Passport.js, Supabase, Firebase, or vanilla web clients.
PKCE & RS256 Tokens
Cryptographically signed JWT ID tokens verified through public JWKS, with RFC 7636 PKCE protection for web & mobile.
Drop-in JavaScript SDK
Third-party web sites drop in sdk.js to auto-render styled buttons with popup or redirect support.