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 and has built-in support for data validation, JSON serialization, authentication and authorization, and OpenAPI.

Highlights:

Heavily inspired by Flask, it has a lightweight microframework feel with support for Flask-like route decorators.
It takes advantage of Python type hints for parameter declaration which enables data validation (via Pydantic) and OpenAPI/Swagger documentation.
Built on top of Starlette, it supports the development of asynchronous APIs.
It's fast. Since async is much more efficient than the traditional synchronous threading model, it can compete with Node and Go with regards to performance.

The tutorials and articles on TestDriven.io focus on developing and testing production-ready RESTful APIs, integrating FastAPI with Vue and React, and serving up machine learning models.

Latest Posts (16)

Using Hypothesis and Schemathesis to Test FastAPI

Posted by Amal Shaji
Last updated on September 6th, 2022

How property-based testing via Hypothesis and Schemathesis can be used to test FastAPI

FastAPI Testing

Building a CRUD App with FastAPI, MongoDB, and Beanie

Posted by Abdulazeez Abdulazeez Adeshina
Last updated on May 23rd, 2022

Develop an asynchronous API with FastAPI, MongoDB, and Beanie.

API FastAPI

Developing a Single Page App with FastAPI and React

Posted by Abdulazeez Abdulazeez Adeshina
Last updated on May 20th, 2022

Build a CRUD app with FastAPI and React.

API FastAPI Front-end React

Moving from Flask to FastAPI

Posted by Amal Shaji
Last updated on March 28th, 2022

Interested in moving from Flask to FastAPI? This article compares and contrasts common patterns in both Flask and FastAPI.

FastAPI Flask

Deploying a FastAPI Application to Elastic Beanstalk

Posted by Nik Tomazic
Last updated on March 21st, 2022

Deploy a FastAPI Application to AWS Elastic Beanstalk.

AWS DevOps FastAPI

Building a CRUD App with FastAPI and MongoDB

Posted by Abdulazeez Abdulazeez Adeshina
Last updated on February 6th, 2022

Develop an asynchronous API with FastAPI and MongoDB.

API FastAPI Heroku

Serving a Machine Learning Model with FastAPI and Streamlit

Posted by Amal Shaji
Last updated on December 12th, 2021

Serve up a style transfer machine learning model with FastAPI and Streamlit.

Docker FastAPI Machine Learning

FastAPI with Async SQLAlchemy, SQLModel, and Alembic

Posted by Michael Herman
Last updated on September 10th, 2021

Configure SQLAlchemy, SQLModel, and Alembic to work with FastAPI asynchronously.

FastAPI

Developing a Single Page App with FastAPI and Vue.js

Posted by Michael Herman
Last updated on August 16th, 2021

Step-by-step walkthrough of how to set up a basic CRUD app with Vue and FastAPI.

API FastAPI Front-end Vue

Deploying and Hosting a Machine Learning Model with FastAPI and Heroku

Posted by Michael Herman
Last updated on August 13th, 2021

Develop a production-ready RESTful API for serving up a machine learning model with FastAPI.

API FastAPI Heroku Machine Learning

Asynchronous Tasks with FastAPI and Celery

Posted by Michael Herman
Last updated on May 10th, 2021

This post looks at how to configure Celery to handle long-running tasks in a FastAPI app.

Docker FastAPI Task Queue

Dockerizing FastAPI with Postgres, Uvicorn, and Traefik

Posted by Amal Shaji
Last updated on May 4th, 2021

This tutorial details how to configure FastAPI to run on Docker along with Postgres, Uvicorn, Traefik, and Let's Encrypt.

Docker FastAPI

Developing and Testing an Asynchronous API with FastAPI and Pytest

Posted by Michael Herman
Last updated on April 21st, 2021

Develop and test an asynchronous API with FastAPI, Postgres, pytest, and Docker using Test-driven Development (TDD).

API Docker FastAPI

Web Authentication Methods Compared

Posted by Amal Shaji
Last updated on December 23rd, 2020

Commonly used web authentication methods.

Architecture Django FastAPI Flask Python

Securing FastAPI with JWT Token-based Authentication

Posted by Abdulazeez Abdulazeez Adeshina
Last updated on December 8th, 2020

Secure a FastAPI application with JSON Web Tokens.

API FastAPI

Developing an API with FastAPI and GraphQL

Posted by Oluwole Majiyagbe
Last updated on October 27th, 2020

Build a CRUD app with FastAPI and GraphQL.

API FastAPI Testing

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Latest Posts (16)