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Save Hours and Eliminate Your Sales Tax Headaches

  • Finish your sales tax forms in minutes, not hours.
  • Easily and instantly connect with your marketplace and cart. No CSV Uploading or spreadsheets.
  • Never miss a due date. Choose to AutoFile your returns.
  • Simple pricing from $19/mo. No setup fees, No contracts.

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It’s easy to get started with TaxJar. Here’s how it works:

Connect Your Stores

Sign up for TaxJar and then connect to the platforms or channels you sell through. Most channels can be connected in seconds with just a few clicks.

You only need to do this step once! Your platforms are now synced with TaxJar and will update on a daily basis.

View Your Sales Tax Reports

Once you’re synced up to TaxJar, you’ll see your sales tax collected by city and county, across all states and all the platforms you sell on. These get updated every day!

You will know if you’re collecting enough sales tax and even when your returns are due. All you have to do now is file!

AutoFile Your Sales Tax Forms

All that’s left to do now is take all the information we have broken down for you, and fill in the blanks on your tax forms!

Of course, if you want to make your life even easier, you could just let us do all the filing for you. With AutoFile, we will automatically submit your tax forms for you when they are due. This is truly sales tax on autopilot.

Looking for accurate sales tax calculations? Get started with SmartCalcs.

Our sales tax API makes it easy to calculate sales tax for Magento, WooCommerce, custom carts, marketplaces, and more.

  • Accurate Sales Tax Rates and Calculations
  • Shipping and Product-Level Taxability
  • International Support
  • Easy to Use and Developer Friendly

Sales tax can be a bear. We’re here to help you every step of the way.

Fast, friendly customer support is our highest priority. When you partner with TaxJar, you’ll gain access to an experienced team of professionals who understand the ins and outs of sales tax.

Are you a developer? We’re also making sales tax easier for you.

Taxjar SmartCalcs comes with detailed documentation and open-source clients on GitHub for languages such as Ruby, Node, PHP, with more on the way. All you need is an API key to get started.


The Sales Tax Blog

TaxJar was founded by small business experts with a simple mission: helping online sellers simplify the hassles of tracking and filing sales tax so they can focus on growing their businesses rather than dealing with compliance issues.

State Registrations

Let us handle setting up state sales and use tax registrations wherever you need them.

  • Available in all states
  • Pricing is approximately $100 per state (excluding any state fees)
  • Have your registrations in place within a couple weeks

State Sales Tax Guides

TaxJar’s Getting Started Guides

Everything you need to conquer sales tax. All in one spot.

Sales Tax Calculator

A helpful tool from TaxJar for sales tax rates.

How to Use the TaxJar Sales Tax Calculator

Enter your city and zip code above to find the sales tax rate at a location. Use this to ensure you are collecting the correct amount of sales tax from your buyers. If you’d like to calculate sales tax with product exemptions, sourcing logic, and shipping taxability use our sales tax API demo.

Sales Tax Webinars

Join Us for Webinar Wednesdays!

There are no webinars currently scheduled.

Checkout FBASalesTax.com For Amazon FBA related questions and content.

SalesTaxCommunity.com is our Facebook group where you can learn more about ecommerce and sales tax topics.

Find A Sales Tax Pro

Peisner Johnson

Selling online and have sales tax questions? We can help.

Do you really need to collect sales tax everywhere? We can assist you in determining if you need to register and if so, how, when and where. If you need to register, we can handle this for you OR show you how to do it on your own. We can help you get your tax settings right in Amazon and other platforms. Assisting international sellers is one of our specialties. We do it all when it comes to sales/use tax.

Windward Tax

Windward Tax is a full service sales and use tax consulting firm. We offer our clients direct access to sales tax experts who can quickly identify problem areas and efficiently solve your sales and use tax issues.

Windward Tax helps Amazon FBA sellers with state sales tax registration. Our Amazon FBA experts work directly with you to identify your specifics needs and develop a step-by-step action plan to achieve sales tax compliance quickly and efficiently.

Tax Man To You

Tax Man To You is a small business, just like you. We understand what you want. Sales and income taxes done right for a fair price. Call 719-646-2999 for a free consultation. I would love to help you meet your needs.


Automated Accounting for Amazon Sellers. Conquer sales tax and the rest of your Amazon finances with DIY courses and done-for-you services. If you’re building a lifestyle business, you’ve got to check out our a unique model. Visit www.MuseMinded.com for more info.

API Documentation

TaxJar uses API keys to allow access to the API. If you’re new to TaxJar, you’ll need to sign up for an account to get your API key. Otherwise, log in and go to Account > API Access to generate a new API token.

API Status