FastAPI is a modern, high-performance web framework for building APIs with Python based on standard type hints. It has the following key features: Fast to run: It offers very high performance, on par with NodeJS and Go, thanks to Starlette and pydantic. Fast to code: It allows for significant increases in development speed.

This tutorial shows you how to use FastAPI with most of its features, step by step. Each section gradually builds on the previous ones, but it's structured to separate topics, so that you can go directly to any specific one to solve your specific API needs.

Apr 18, 2025 · Build high-performance APIs with FastAPI and Python in minutes. Learn to create endpoints, validate data using Pydantic, handle errors, and compare FastAPI with Flask and Django. ... Learn how to request webpages and get JSON data using Python's requests library. A step-by-step guide with practical examples for making HTTP GET and POST requests ...

Import FastAPI. Create an app instance. Write a path operation decorator using decorators like @app.get("/"). Define a path operation function; for example, def root(): .... Run the development server using the command fastapi dev.

Sep 15, 2023 · Creating a REST API with FastAPI involves defining endpoints for different HTTP method GET and handling requests and responses using Python functions. Below, I’ll provide a step-by-step guide to creating a simple REST API using FastAPI.

Jul 28, 2023 · FastAPI is a modern and high-performance web framework for building APIs with Python. Its ease of use, speed, and support for type hints make it a popular choice for developing web services. In...

Apr 21, 2025 · FastAPI is a powerful web framework for building APIs. This is a simple example of how to use Python FastAPI to create a simple authentication system based on phone number with SMS verification. We used SQLite as a database. (Login, Register, Auth, Panel, Whoiam, Hi)

Mar 17, 2025 · This tutorial is designed to take you from the basics to advanced concepts of building efficient web applications using FastAPI, a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints.

Jul 2, 2021 · Learn the basics of FastAPI applications with interactive exercises. Build a REST API Using Python and Deploy it to Microsoft Azure. What is FastAPI? The official FastAPI website describes FastAPI as a modern and high-performance web framework for building APIs with Python 3.6+ based on standard Python type hints.

Dec 27, 2024 · In this article, we will dive into the best practices for building efficient, scalable, and maintainable APIs with FastAPI. You’ll learn practical tips, optimization techniques, and real-world...