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FastAPI

FastAPI framework, high performance, easy to learn

★ 4.7

Modern, fast web framework for building APIs with Python. Based on type hints with automatic OpenAPI docs. One of the fastest Python frameworks available.

76K
GitHub Stars
none
TypeScript
easy
Learning Curve
4.8
DX Score
Visit Website → Documentation GitHub

Pricing

Model
free
Free Tier
MIT licensed, fully open source
Paid
N/A

Features

  • ✓ Async support
  • ✓ Type hints validation
  • ✓ Auto OpenAPI docs
  • ✓ Dependency injection
  • ✓ OAuth2 support
  • ✓ WebSocket support
  • ✓ Background tasks
  • ✓ Starlette foundation
  • ✓ Pydantic models

Pros

  • + Excellent performance
  • + Auto-generated docs
  • + Type safety
  • + Easy to learn
  • + Great async support

Cons

  • - Not batteries-included
  • - Newer ecosystem
  • - No built-in ORM
  • - Async complexity

Best For

startup indie hacker

Alternatives

Django Django Flask Flask Litestar Litestar
api async openapi type-hints modern