Overview
FastAPI is a modern, high-performance Python web framework for building APIs quickly using standard Python type hints, with automatic interactive documentation and production-ready features.
Key Features:
- Very high performance (comparable to NodeJS/Go) powered by Starlette and Uvicorn
- Type-driven development with Pydantic: automatic validation, conversion, and editor autocompletion
- Automatic OpenAPI/JSON Schema generation with interactive docs (Swagger UI and ReDoc)
Use Cases:
- Building REST/JSON APIs and backend services
- Serving ML models and prediction endpoints in production
- Microservices, automation APIs, and internal developer tooling
Benefits:
- Faster development velocity with fewer bugs and strong editor support
- Robust, standards-based APIs with automatic docs and client generation
- Production-ready performance and scalability using async support and Uvicorn