# API Design Reference Index **All reference files are under 500 lines for optimal loading.** ## Available References - **[fastapi-setup.md](fastapi-setup.md)** - Main FastAPI configuration - **[openapi.md](openapi.md)** - OpenAPI customization - **[error-handlers.md](error-handlers.md)** - Exception handlers - **[authentication.md](authentication.md)** - JWT configuration - **[cors-rate-limiting.md](cors-rate-limiting.md)** - CORS and rate limiting