Building REST APIs with FastAPI — Complete Guide

This tutorial series teaches you to build high-performance REST APIs using FastAPI. Starting with installation and setup, you'll learn path operations, path and query parameters, Pydantic request bodies, response models, status codes, dependency injection, middleware, error handling, validation, SQLAlchemy integration, async database operations, JWT and OAuth2 authentication, authorization, testing with HTTPX and Pytest, Websocket support, background tasks, file upload, Redis Caching, Docker and Uvicorn deployment, OpenAPI customization, and security best practices. FastAPI's automatic OpenAPI generation, type validation, and async support make it ideal for modern API development. Each lesson includes runnable code, common mistakes, and practice exercises.