Better Auth + FastAPI JWT Bridge

Implement production-ready JWT authentication between Better Auth (Next.js) and FastAPI using JWKS verification for secure, stateless authentication.

Architecture

User Login (Frontend)
    ↓
Better Auth → Issues JWT Token
    ↓
Frontend API Request → Authorization: Bearer <token>
    ↓
FastAPI Backend → Verifies JWT with JWKS → Returns filtered data

Quick Start Workflow

Step 1: Enable JWT in Better Auth (Frontend)