FastAPI

FastAPI is a modern, high-performance Python web framework for building APIs quickly and efficiently.

Why FastAPI?

• Fast — One of the fastest Python frameworks available, on par with NodeJS and Go
• Easy — Designed to be simple to use and learn
• Automatic Docs — Generates interactive API documentation automatically at /docs
• Type Safe — Built on Python type hints for cleaner, more reliable code

Installation

pip install fastapi uvicorn

Quick Start

from fastapi import FastAPI

app = FastAPI()

@app.get("/")
def read_root():
    return {"message": "Hello, World!"}

Run the Server

uvicorn main:app --reload

Then open your browser at http://127.0.0.1:8000

Auto-Generated Docs

URL	Description
/docs	Interactive Swagger UI
/redoc	ReDoc documentation

Requirements

• Python 3.7+
• fastapi
• uvicorn