TaxJar for Developers

Sales Tax APIs for Developers

Easily implement modern, RESTful APIs for sales tax compliance in less time.

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Work smarter with TaxJar. Check out what we can do for you.

Ignoring sales tax isn’t an option. Neither is building your own in-house solution.

What if there was a way to accurately calculate sales tax? Easily integrate with existing ERP and eCommerce platforms? Gain access to API technical on-boarding and best-in-class developer documentation? TaxJar makes it possible.

Sales tax management at your fingertips

No matter your volume of business, TaxJar handles sales tax with ease so you can focus on more strategic initiatives — like growing the business.

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Save time, avoid headaches

Outsource your sales tax management burden to TaxJar and free up valuable time to concentrate on more strategic initiatives.

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Reduce risk

Whether it’s risk to the growth of the business or regulatory noncompliance, TaxJar has you covered.

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Focus on success

We have the technical expertise in-house to support you — including current research, fast and accurate answers, technical go-live support and easy-to-use API documentation that gets you up and running fast.

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Dependable sales tax management

From calculations to reporting to filing, TaxJar handles it all with reliability and ease.

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Michael Kleinmann, Founder & CEO Underwear Expert
As a fast-growing subscription-based online retailer, there isn’t a playbook on what vendors to use because every business is different. TaxJar is really good for us and enables us to not have to focus on sales tax."
—Michael Kleinmann, CEO at Underwear Expert Read full case study

See how TaxJar simplifies sales tax

Traffic Management Screenshot TaxJar
TaxJar can handle and scale with any increase (such as seasonality or special deals), in sales tax calculations/rate lookups or orders pushed into TaxJar.
API Uptime Screenshot TaxJar
Our sales tax API clocks in at sub-75ms with 99.9% uptime; our calculations are more than 99% accurate and we offer an accuracy guarantee for all TaxJar API users.
Platform Integrations Screenshot TaxJar
Your business is multi-channel, so your tax engine should be too. In addition to our API, TaxJar offers integrations with NetSuite, Magento, Shopify and more. Additional third-party integrations are also available and certified by TaxJar’s development team. All data is combined into a single, easy to use interface.
Users and Permissions Screenshot TaxJar
The ability to add or remove multi-user access and manage permission levels for each member of your team is built right into TaxJar. Simply click, “invite new user” and you’re ready!
Real Time Rates Screenshot TaxJar
ZIP code rates don’t provide the level of accuracy you need for accurate collection. With TaxJar Address Validation, you can rely on “rooftop-level” calculations to ensure that the exact address corresponds to the right rate.
  • Peak season traffic management. TaxJar can handle and scale with any increase (such as seasonality or special deals), in sales tax calculations/rate lookups or orders pushed into TaxJar.
  • Dependable uptime and API response time. Our sales tax API clocks in at sub-75ms with 99.99% uptime; our calculations are more than 99.9% accurate and we offer an accuracy guarantee for all TaxJar API users.
  • Out-of-the-box eCommerce platform integrations. Your business is multi-channel, so your tax engine should be too. In addition to our API, TaxJar offers integrations with NetSuite, Stripe, Magento, Shopify and more. Additional third-party integrations are also available and certified by TaxJar’s development team. All data is combined into a single, easy to use interface.
  • Manage multiple users and permissions. The ability to add or remove multi-user access and manage permission levels for each member of your team is built right into TaxJar. Simply click, “invite new user” and you’re ready!
  • Right rate, every time. ZIP code rates don’t provide the level of accuracy you need for accurate collection. With TaxJar Address Validation, you can rely on “rooftop-level” calculations to ensure that the exact address corresponds to the right rate.
Let us show you how TaxJar can make running your business a whole lot easier.
Learn more

Great support is key

Our technology comes complete with world-class, in-house sales tax experts to ensure your onboarding experience and support needs are met by the best professionals around.

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Truly human support

A TaxJar expert will guide you through the onboarding process and be ready to help any time. Enjoy 24/7 support and prioritized queues for email conversations.

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Account manager

Your TaxJar liaison will work with you to understand your specific and complex sales tax needs, and partner with you to go that extra mile when you need it.

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Get up and running, fast

Enjoy access to our dedicated go-live and technical onboarding team to accelerate the time it takes to get up and running with TaxJar (typically within 7 days). Our centralized portal tracks go-live project timelines, deliverables and communication to ensure your success. Never wait for us to schedule your implementation. Instead, get started when you’re ready.

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Built-in research team

We keep up with the changes so you don’t have to. From changing rate tables or state-level taxability, you can lean on our sales tax experts to provide timely and accurate research.

Don't take our word for it, see what others have to say

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Making the complex and tedious simpler and seamless.

The overall ease of use and UI/UX are complemented with great customer support. We saved significant time by getting informed, succinct answers from the customer team at TaxJar.”

— Raghu Kakarala, Managing Partner at FortyFour

Hands down the best solution for eCommerce businesses.

Paying taxes for my Shopify online eCommerce store was very hard given all the customers I get were from all around the world. TaxJar got my problems off my shoulders. One less thing to worry about now.”

— Syed Mustafa, CEO

You need this.

It [TaxJar] makes us legally compliant, keeps us up-to-date and saves us from hiring an additional person. We also tried the big competitor and this works immediately - you don't even need the extension. You can even integrate in 5 minutes without it.”

— Magento User

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G2 High Performer

High Performer in Corporate Tax

IDC Major Player Badge

Major Player, IDC MarketScape: Worldwide SaaS and Cloud-Enabled Sales Tax and VAT Automation Applications 2019

G2 Best Support

Best Support in Corporate Tax

No matter the size of your business, we make sales tax management accessible

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Core tax

Product tax code catalog

AI-driven product taxability recommendations

Leading multi-channel data aggregation

Customer exemption support

Exemption certificate repository

Address validation API

Custom tax research

Integrations and APIs

Data import integrations

3
10 total
(Data import + API integrations)
Unlimited

API integrations tooltip icon

10 total
(Data import + API integrations)
Unlimited

Simple CSV import

Advanced CSV import

API access

Increased API calls/minute

N/A
10,000
25,000

Developer sandbox

AutoFile

Free AutoFiles included

4 free
12 free
Unlimited

Filing frequency notices

Audit support

Overdue/amended returns

Notice management and resolution

Reporting

Jurisdicton-level sales tax reporting

Economic nexus checker

Economic nexus dashboard

Economic nexus alerts

Transaction insights

Advanced reports and search

Simple XLS report exporting

Support

Email support

Phone support

Customer success

Shared account manager
Dedicated account team

Team management

Team users

10
Unlimited

Multiple distinct business accounts

Starter

Try now

Professional

Contact us

Premium

Contact us