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AvaTax Refactor Guides

AvaTax Refactor Guides

Bring your integration up to date with the latest AvaTax APIs.
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In 2004, Avalara built AvaTax using SOAP. In 2016, Avalara built a completely new REST API that works off the same code and data while adopting modern standards (OpenAPI/Swagger and Microsoft’s REST guidelines). Whether you have a SOAP or RESTv1 integration, these refactor guides tell you how to bring your integration up to date with the latest version of the AvaTax APIs.

SOAP To RESTV2 Refactor Guide

To bring your integration up to date with the latest version of the AvaTax APIs, use this document to refactor your APIs from AvaTax SOAP to AvaTax RESTv2.

RESTV1 To RESTV2 Refactor Guide

To bring your integration up to date with the latest version of the AvaTax APIs, use this document to refactor your APIs from AvaTax RESTv1 to AvaTax RESTv2.