If you are curious about how the raw OpenAPI schema looks like, FastAPI automatically generates a JSON (schema) with the descriptions of all your API.

Create a new GitHub repo, for example my-full-stack. Clone this repository manually, set the name with the name of the project you want to use, for example my-full-stack:

Nov 3, 2025 · You’ve built a complete FastAPI example application that showcases the framework’s most important features. Starting with a simple endpoint, you progressively added functionality that …

Sep 10, 2025 · FastAPI provides advanced features that make it ideal for production-ready applications. This section explores dependency injection, error handling and WebSockets, helping you build more …

One real life example of FastAPI usage is Netflix’s Dispatch (crisis management orchestration framework). All of the code examples are written in Python, unless otherwise noted. For this …

Jan 29, 2026 · Learn how to use FastAPI in Python to create modern, high-performance web APIs with automatic documentation, type hints, and async support.

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 …

Apr 30, 2024 · In this example, we create two test cases for the /users endpoint using FastAPI's TestClient. The test_create_user function tests the creation of a new user, while the test_get_users …

Aug 22, 2025 · FastAPI keeps things simple for beginners while still offering advanced features for production use. Let's see an example. Example: Simple GET API in FastAPI This code creates a …

FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints. Historically, async work in Python has been nontrivial (though its API …