FastAPI

FastAPI is a Python web framework built on Starlette (ASGI) and Pydantic. It provides automatic request validation, serialization, and interactive API docs at /docs (Swagger UI) and /redoc.

Installation

# Install FastAPI with uvicorn ASGI server
pip install "fastapi[standard]"

Project Structure

# Typical FastAPI project layout
app/
├── main.py           # Application entry point
├── config.py         # Settings and configuration
├── models/           # SQLAlchemy / DB models