opensourcestartups

// GEOCODING

US ZipCode

Validate and append data for any US ZipCode

US ZipCode is a free public Geocoding API that requires apiKey authentication. It supports HTTPS and has CORS enabled.

// FACTS

Category
Geocoding
Authentication
apiKey
HTTPS
yes
CORS
yes
Endpoint
www.smarty.com
Cost
Free

// FREQUENTLY ASKED

What is US ZipCode?

US ZipCode is a free public API in the Geocoding category. Validate and append data for any US ZipCode

Does US ZipCode require authentication?

Yes — US ZipCode requires apiKey authentication to make requests.

Is US ZipCode free?

Yes. US ZipCode is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.

Does US ZipCode support HTTPS?

Yes, US ZipCode supports HTTPS encrypted requests.