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Bring real-time tax calculation to your financial application

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Accurate and fast sales tax calculation

Instantaneously calculate sales tax in more than 70,000 taxing jurisdictions with our REST API.

Exempt the right customers for the right reasons

Automatically tie your non-taxable transactions directly to the correct exemption or reseller certificate.

Automated rules for global transactions

Determine accurate taxability & duties for millions of products and services in over 100 countries.

Try the API

Avalara is all about tax compliance

API solutions

Sales tax and sellers use tax

Overseas selling and value-added tax (VAT)

Tax-return filing

Sales tax and sellers use tax

Overseas selling and value-added tax (VAT)

Tax-return filing

Compliance document management

Taxes on telecommunication and internet services

Taxes on petroleum products, fuel, and natural gas

Compliance document management

Taxes on telecommunication and internet services

Taxes on petroleum products, fuel, and natural gas

Try it free for 30 days with an
Avalara AvaTax sandbox account

You'll be set up with an AvaTax Basic subscription which lets you calculate taxes in the U.S. and Canada only.
Please contact us if you need to request an extension, evaluate our global tax calculation or other compliance services.

Setup a free sandbox account