Pycon Israel 2021

FastAPI: The most modern Python3 web framework
2021-05-02, 13:30–13:55, General Track 2

FastAPI is a modern, high-performance, batteries-included Python web framework that's perfect for building RESTful APIs. It can handle both synchronous and asynchronous requests


With Python2 deprecated and the rise of Python3, a new world of features and projects have opened up. FastAPI is one of those projects. Heavily inspired by Flask, FastAPI has a lightweight microframework feel with support for Flask-like route decorators. This means that moving from Flask to FastAPI is easy. It takes advantage of Python type hints for parameter declaration which enables data validation (utilizing Pydantic - another great Python3 project) and OpenAPI/Swagger documentation. It's super fast. Since async is much more efficient than the traditional synchronous threading model, it can compete with Node and Go with regards to performance. In addition, it uses uvicorn - the async lightning-fast answer to gunicorn.

In this talk I will introduce you to FastAPI, why we at Insidepacket chose to use it as our web framework and how to migrate from Flask to FastAPI


Session language – English Target audience – Developers, Users, R&D