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AvaTax APIs

The AvaTax API is a set of application programming interfaces provided by Avalara that allows businesses to integrate automated, real-time sales and use tax, VAT, and GST calculations directly into their own software applications. This allows for seamless and accurate tax compliance for every transaction, regardless of jurisdiction or product type.

Documentation

Specifications

OpenAPI

avalara-avatax-rest-openapi.yml Raw ↑