Build a Production REST API with Python FastAPI in 10 Minutes

Building REST APIs is one of the most in-demand skills in web development. In this guide, I'll show you how to build a production-ready REST API with Python and FastAPI in under 10 minutes. Why FastAPI? FastAPI is the fastest-growing Python web framework because it's: Fast : One of the fastest Python frameworks available Easy : Automatic API documentation with Swagger UI Modern : Built with Python type hints for better code quality Production-ready : Used by major companies like Netflix, Uber, and Microsoft Step 1: Install FastAPI pip install fastapi uvicorn python-multipart Step 2: Create Your First API Create a file called main.py : from fastapi import FastAPI from pydantic import BaseModel from typing import Optional app = FastAPI ( title = " My REST API " , version = " 1.0.0 " ) # Data model class Item ( BaseModel ): name : str price : float description : Optional [ str ] = None # In-memory storage (use a database in production) items = {} @app.get ( " / " ) def root (): return { "