How to Add Address Autocomplete to a Python App - Free API Tutorial

Your checkout form collects addresses as freeform text. Users mistype street names, skip apartment numbers, and guess at zip codes. That bad data flows into your database, and each failed delivery costs $15-20 to re-ship. Address autocomplete fixes the problem at the source. Users type a few characters, pick the correct address from a dropdown, and you get a postal-formatted string with unit numbers and zip+4 - ready to print on a shipping label. This tutorial shows you how to add US address autocomplete to a Python app using sthan.io 's address API. Works with Flask, Django, FastAPI, or any Python backend. Quick summary: Install requests , get free credentials from sthan.io , call GET /AutoComplete/USA/Address/{text} with a Bearer token. You get back a JSON array of formatted US addresses - no credit card required. What you'll need: Python 3.7+ and a free sthan.io account. No credit card, no approval process. The free tier gives you 100,000 requests/month - enough for roughly 20,000 a