fastapi

When to use this skill

Use this skill whenever the user wants to:

• Build REST or async APIs with FastAPI and Pydantic models
• Implement dependency injection, authentication, or middleware
• Configure routing, OpenAPI documentation, and deployment
• Integrate with databases using async patterns

How to use this skill

Workflow

1. Create app — instantiate FastAPI() and define route handlers
2. Define models — use Pydantic for request/response validation
3. Add dependencies — implement DI for auth, DB sessions, etc.
4. Test and deploy — run with uvicorn, verify via /docs

Quick Start Example