Accurate, reliable sales tax API

Get precise, address-level sales tax rates across 12,000+ U.S. jurisdictions and select global markets delivered through flexible plans you can tailor to your needs, so you only pay for what you use.

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99.99%
API uptime
<200ms
API response time average
125M+
Yearly lookups
1000+
Active accounts

Simple to implement rates
you can trust

Programmatic API

Seamlessly connect our API to your website or application to access precise, on-demand sales tax data.

Expert support & documentation

Get up and running faster with clear documentation, practical code samples, and direct support from our engineers and sales tax experts.

Accuracy you can rely on


Our rates are continuously updated for maximum accuracy - including unincorporated areas and special tax jurisdictions.

Discover the features and benefits
the Ziptax API

Learn how our sales tax data can help power your application.

Our service
How does it work?
Should I use an API?

Our service

Ziptax provides a developer API and an online lookup for sales tax data.

Using address, lat/long, or postal code, you can find sales tax rates for your customers' specific areas. Sales tax rates often change throughout the year, and our service gives you up-to-date information quickly and easily with no maintenance.

The Ziptax team is committed to providing the essential information you need, so you can focus on your business.

How does it work?

Ziptax works by submitting geographic information such as address, lat/long, or postal code from your application or website.

This data is used determine the correct sales tax information matching the provided location. Our service then returns that information to your application or website.

Your application uses the returned data to apply the correct sales tax rates to your customer transaction in real-time.

Should I use an API?

An API (Application Programming Interface) is a way for developers to avoid re-inventing the wheel by using connected services such as Ziptax to retrieve complicated information quickly and easily within an application or website.

By using third-party services, you are removing significant workload from your team allowing them to focus on your core business.
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Our service is built on highly scalable and reliable platforms to ensure maximum uptime for your website or application.

Support for most programming languages

We support any language capable of making http requests!
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Build with Ziptax

Calculating sales tax doesn’t need to be expensive or complex. Start with 100 free API calls today and see how simple and accurate tax rate lookups can be.

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