Sales Tax API

A secure sales tax API connects your application to our constantly updated servers to power your e-commerce site with real-time data when you need it. Automate your online shopping cart with sales tax data at the point of sale.

Choose your level of accuracy

Our sales tax API provides rates from the 5-digit ZIP code level will return all jurisdictions related to a single ZIP, to the more accurate SalesTax+4® level, to the most accurate Spot-On® doorstep-level.


JSON and XML responses

The Sales Tax API provides for json or xml responses, for all levels of zip code accuracy.


Get accurate rates FAST

Fast response time in milliseconds.
Redundant servers are always up.
Accurate Data with real time rates.