FastAPI Tutorial for Beginners #2 | API Documentation with Swagger UI & ReDoc

Description

In this FastAPI tutorial for beginners, we explore FastAPI’s automatic API documentation. FastAPI automatically generates interactive API docs for every endpoint we create, making it easy to test and understand our APIs. In this video, you’ll learn: ✅ What API documentation is ✅ How FastAPI generates docs automatically ✅ How to use Swagger UI (`/docs`) ✅ How to test API endpoints directly in the browser ✅ How to use ReDoc (`/redoc`) ✅ Why automatic documentation is useful Run your FastAPI app: ```bash id="kgx41r" fastapi dev app/main.py ``` Open Swagger UI: ```text id="1f34jv" http://127.0.0.1:8000/docs ``` Open ReDoc: ```text id="js93nd" http://127.0.0.1:8000/redoc ``` This is part of a complete FastAPI tutorial series. Previous video: FastAPI Tutorial for Beginners #1 | Create Your First API Endpoint Next video: Path Parameters in FastAPI #FastAPI #Python #SwaggerUI #APIDocumentation #BackendDevelopment