How to Build a REST API in 10 Minutes with FastAPI (2025 Guide)

How to Build a REST API in 10 Minutes with FastAPI (2025 Guide) If you've been putting off building that backend API because you thought it would take days — think again. With FastAPI , you can go from zero to a fully functional REST API in under 10 minutes. I've built dozens of APIs, and FastAPI is hands-down the fastest way to get a production-ready backend running. Here's exactly how to do it. Why FastAPI (Not Flask or Django)? Automatic docs — Swagger UI and ReDoc are built-in. No extra setu