Integrate with e-commerce and ERP platforms

Our modern, cloud-based architecture and API makes it simple to connect the TaxJar platform to your existing systems. To make it even easier, we maintain a curated set of prebuilt integrations with popular e-commerce and ERP platforms like Amazon, Shopify, and NetSuite. Get set up in minutes and start using TaxJar to calculate sales tax in your checkout flows right away.

Sales tax compliance in 2022: Changes you need to know

Download the report

Get peace of mind with tested and certified code

Whether an integration is built by us, or by our partners, we certify that each one meets the highest quality standards. We test for depth of functionality and support for the entire sales tax process, from calculations to reporting.


Integrate TaxJar in minutes

All our integrations are easy to configure and provide a great user experience directly from the TaxJar dashboard. If any questions arise, our award-winning support team is available to help you onboard with TaxJar quickly and easily.

Customize your integration with the TaxJar API

If your needs go beyond our prebuilt solutions, the TaxJar API lets you build your own. Our API comes with detailed documentation and open source clients on GitHub. All you need to get started is an API token.

View our API documentation

Built by TaxJar

We meticulously build and maintain our own integrations that support a wide range of popular platforms.

Premier Certified Integrations

Integrations built and supported by our partners and friends. Tested and certified by the TaxJar team.

Registered Certified Integrations

Integrations built and supported by our partners and friends. Tested and certified by the TaxJar team.

Become a TaxJar Technology Partner

We’re always looking for new integrations with e-commerce platforms, marketplaces, ERP systems, and other business tools. Partner with us to offer TaxJar services to your customers.

Join Partner Program

Sales tax resources

Our educational tools and resources can help you make better decisions for your business.

Sales Tax Fundamentals

PayPal Sales Tax

Guidelines for Collecting Sales Tax on PayPal PayPal generally only allows sellers to collect one...


Sales Tax Fundamentals

Magento Sales Tax

To help make sales tax even easier for you, we put together this guide for sellers who need a better...


Sales Tax Fundamentals

Xero Sales Tax

We put together this guide to sales tax for Xero accounting software users who are looking for a bet...


Get ahead of compliance

Automate sales tax calculations, reporting and filing today to save time and reduce errors.