Serve it as an API with FastAPI

After this lesson you can: Expose your work as an endpoint another program can call.

First: Functions, imports and modules

Watch

• FastAPI Course for Beginners - freeCodeCamp.org, 65 min. Beginner-friendly full FastAPI walkthrough, well matched to exposing Python work as callable endpoints.
• Python FastAPI Tutorial (Part 1): Getting Started - Web App + REST API - Corey Schafer, 24 min. Focused getting-started tutorial from a strong Python teaching channel, short enough for first API deployment practice.
• FastAPI Tutorial | FastAPI vs Flask - codebasics, 16 min. Useful concise FastAPI introduction for engineers who may know Flask-style web service concepts.

Notes

An API endpoint is just a function made reachable over HTTP. Instead of a person clicking buttons in a UI, another program sends a request to a URL, passes data in a predictable shape, and receives a response in a predictable shape. For this lesson, the goal is not to build a full product; it is to wrap existing Python work so another script, service, notebook, or frontend can call it reliably.

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