Avalara Developer Network Developer avaTaxBR

AvaTax Brazil API


Real-time tax calculation and electronic invoices supporting transactions created by ERPs, CRMs, POS and Shopping Cart Applications.

Fast and easy integration

Explore the API before you build. Automate tax calculation for sales, purchases and withholdings on payments and receipts.

Development tools & support

Get started quickly with our sample code and libraries. If you get stuck, Avalara Support and Avalara's developer community are here with answers.

Building a certified integration has benefits

Ready to take the final step? Certify your integration to receive sales and marketing support from Avalara.

Get started learning about and using this API

Check out the documentation

Learn how to consume the web service for integration into customer programs, and defines the object structure, and reference the detailed object structure.