Avalara Developer Network Developer avaTax

Avatax REST API - Free

Method Purpose Summary
RequestFreeTrial FREE API - Request a free trial of AvaTax

Call this API to obtain a free AvaTax account.

TaxRatesByAddress FREE API - Sales tax rates for a specified address

Free-To-Use

The TaxRates API is a free-to-use, no cost option for estimating sales tax rates.

TaxRatesByPostalCode FREE API - Sales tax rates for a specified country and postal code. This API is only available for US postal codes.

Free-To-Use

This API is only available for a US postal codes.