The Excise Tax API integrates with most major back-end financial systems, automating tax calculation for a broad range of fuel transactions, including invoices, purchase orders, sales orders, or movement accruals.

The excise tax API is a REST web service, serving as the external programmatic interface into the AvaTax Excise application. It provides for a platform-independent mechanism to obtain tax calculation information.

Avalara Returns Excise Pro integrates with most major back-end financial systems to automatically prepare forms for jurisdictions in the United States and Canada. All you need to do is review, sign, and submit when ready.