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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ZIP+4 API Samples

This API provides for XML or JSON responses.

......to a ZIP+4 level ZIP code. 

The simplest way to view results is to click on one of the sample links below or paste the link into any browser's URL box.

This sample query string will allow for unlimited testing with addresses found within the ZIP codes from 90001 to 90999. If you would like to perform testing outside of that range, request a no-obligation, free trial.

XML Response API - ZIP+4

Click on the sample code below to see what the ZIP+4 level result would look like in browser for a ZIP+4 code in Beverly Hills, California. In a practical application you would typically read the results into a XMLHttpRequest object.
https://api.zip2tax.com/TaxRate-USA.xml?username=sample&password=password&zip=90210-3303

JSON Response API - ZIP+4

For a JSON response, simply replace .XML with .JSON, as seen below:
https://api.zip2tax.com/TaxRate-USA.json?username=sample&password=password&zip=90210-3303