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Explore Our API

Comprehensive Coverage

Full support of U.S. Federal and all 51 states including city and county jurisdictions. Excise, Sales & Use tax for tobacco, fuel, alcohol, and other products

Tax Updates

Continually updated tax rules and rates for all taxable jurisdictions in the U.S.

Automated Reporting

Get jurisdiction-level tax reporting in every state to make indirect tax tracking and filing simple.

Modern and robust API

Tax Determination uses modern, RESTful APIs. Look at provided examples to see how easy it is to implement.

See our complete API details