Free Sales Tax Rates for Developers

Our Tax Rates API is an easy way for you to use sales tax rates in your project. Our API is powered by our tax rule content, and rates are updated as tax rules change to stay current. You can use this API to:

  • Get the sales tax rate for a five digit zip code in the United States
  • Get the sales tax rate for a specific street address in the United States

Read our documentation to learn more, or register for a free API key to get started.

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