fastapi-backend

Expert guidance for FastAPI backend development with RESTful API best practices. Use when building FastAPI applications, creating REST endpoints, implementing CRUD operations, setting up Pydantic models, configuring CORS/middleware, or integrating with databases. Triggers include "FastAPI", "REST API", "backend", "endpoint", "Pydantic", "CORS", "middleware", "async API", or requests to build backend servers with FastAPI.