
Extract postal addresses from any text including emails.
US Extract API is a free Data Validation API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Extract USPS addresses from any text with our easy-to-use API. Simple HTTP endpoint and SDKs. Try free now.
Details from smarty.com.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
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Validate and standardize US addresses, with ZIP+4 and deliverability status
Parse freeform US addresses into structured fields (house number, street, unit, city, state, ZIP)
Yes. The US Extract 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 US Extract API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The US Extract API supports CORS, so front-end JavaScript can call it directly.
Yes. The US Extract API is served over HTTPS, so it's safe to use in production.