
Real-time US address suggestions as users type.
sthan.io Address Autocomplete API is a free Data Validation API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
Real-time address autocomplete for the USA. Standardized US addresses instantly. Try free with 10,000 lookups/month.
Details from sthan.io.

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The sthan.io Address Autocomplete API is provided by sthan.io (sthan.io). Real-time address autocomplete for the USA. Standardized US addresses instantly. Try free with 10,000 lookups/month.
Yes. The sthan.io Address Autocomplete API is listed in the Data Validation category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The sthan.io Address Autocomplete API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The sthan.io Address Autocomplete API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The sthan.io Address Autocomplete API is served over HTTPS, so it's safe to use in production.