FastAPI is our Python microservice framework of choice — delivering Node.js-comparable performance with automatic API documentation.
FastAPI is a modern, high-performance Python web framework for building APIs. Based on Python type hints, it provides automatic OpenAPI documentation, data validation via Pydantic, and async support out of the box.
We use FastAPI for Python microservices, ML model serving, and data pipeline APIs. Its performance benchmarks rival Go and Node.js. The automatic Swagger UI and ReDoc documentation saves significant developer time.
FastAPI is one of the fastest Python frameworks available — comparable to NodeJS and Go.
Swagger UI and ReDoc generated automatically from code — always up-to-date API docs.
These technologies work seamlessly alongside FastAPI in our project stack:
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