UPDATE: 22 Oct 2021 - Zip2Tax, LLC is recovering from a Ransomware attack last weekend. For more information please go to www.zip2tax.com. Thank you!


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API Samples

Information For Developers

These API sample codes provide for XML or JSON responses for all three address resolution levels we offer to subscribers so your business can get the accuracy it needs without paying for more than you'll use. Compare Resolution Levels

The sample code allows for unlimited testing with addresses found within the ZIP code range from 90001 to 90999. If you would like to perform testing outside of that range, Contact Us to request a free limited-time account.

ZIP Code API Sample

ZIP+4  API Sample

Spot-On API Sample

Other connection APIs are available for ASP, ASP.NET, C#.NET or PHP. We also have code for simple passing request variables.  Contact us for more information!

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