Tool profile
TaxJar: cost, fit and limits
TaxJar is a sales tax compliance platform made by TPS Unlimited, Inc., a Stripe company in Woburn, Massachusetts, that calculates tax, tracks nexus, produces reports and files US returns for online sellers. The site cites more than 20,000 businesses and coverage of 11,000 jurisdictions.
What to know first
TaxJar publishes two plans and a way to adjust them. Starter at $39 a month and Professional at $99 a month both list a 200-order tier, and the page says to size by sales, refunds and returns. State filings run through AutoFile credits, and a flex option lets you jump to a higher tier for a busy month. Professional adds an API, a sandbox, phone support and a customer success manager. A 30-day trial needs no credit card.
TaxJar at a glance
| Maker | TPS Unlimited, Inc., United States |
|---|---|
| Free plan | Free trial only |
| Entry price | $39 per month for Starter |
| API access | No |
| Category | Best AI Tax Compliance Software in 2026, rank 3 of 11 |
| Website | taxjar.com |
Who TaxJar is best for
Small stores selling in several states
Starter at $39 a month connects up to three data sources and includes two AutoFile credits a year, which covers a modest filing load with a printed budget.
Stores with seasonal spikes
The flex option lets a seller move to a higher order tier for one month without a permanent commitment, which suits holiday-heavy catalogs. Fee amounts are not shown.
Developers building checkout calculations
Professional lists API access at 10,000 calls a minute with a developer sandbox, and the home page names a flexible API for custom builds.
Amazon and Shopify multichannel sellers
The home page names Amazon, Shopify and WooCommerce, and describes AI-driven categorization for multichannel sellers who list many products. Smaller sellers on TaxJar may feel this less.
TaxJar plans and pricing
| Plan | Price | What it includes |
|---|---|---|
| Starter | $39 per month | 200 orders a month listed, up to 3 data import integrations, email support with a guaranteed response time and 2 free AutoFile credits a year, extra credits $50. |
| Professional | $99 per month | Up to 10 integrations including API, email and phone support, onboarding with a customer success manager, 4 free AutoFile credits a year at $55 extra, API access and 10 team users. |
| Annual billing | Save 10 percent or more | The page says annual pricing saves 10 percent or more against monthly. A flex option moves you to a higher tier for a busy month and back the next. |
Checked November 2026.
What TaxJar does
- Nexus tracking
- TaxJar tracks sales against state thresholds so a seller sees where registration may be due. The home page frames it with calculation, filing and reporting as one sales tax workflow.
- Real-time calculation
- Rates are returned at checkout using the destination address. The page cites 11,000 jurisdictions and 99.999 percent historical uptime, both the vendor's own figures. This detail on TaxJar comes from one vendor page.
- AutoFile
- State returns are filed by TaxJar using credits that are bundled per year and sold in extra packs. The page cites a 100 percent on-time filing rate in 2025.
- State registrations
- TaxJar offers sales tax registrations in states where a seller has crossed a threshold, so a first filing does not require visiting each state portal.
- AI-driven categorization
- The home page lists AI-driven categorization for multichannel sellers. It gives no detail on accuracy, training or review, so test it on your own product titles.
How TaxJar handles your data
TaxJar's privacy policy lists TPS Unlimited, Inc. at 462 Washington St. in Woburn, Massachusetts, and calls it a Stripe company. It says the services are hosted in the United States, while personal data may also be stored or processed in other countries where TaxJar or its providers operate. Retention follows the relationship, the type of service and legal limits, with deletion or de-identification when data is no longer reasonably needed. The policy does not mention AI, so the vendor's policy was not checked for AI training, and no certification appeared on the pages read.
Where TaxJar falls short in practice
- Only one order tier is shown. Both plans show 200 orders a month, and no higher tier appears. A store with thousands of orders must ask TaxJar what it would pay.
- AutoFile credits add up. Each state return uses a credit. Starter includes two a year and extra ones cost $50, so a monthly filer in several states will spend well beyond the $39 headline.
- US focus. The pages read describe US sales tax. A seller needing EU VAT returns would look elsewhere, and the page lists no AI beyond categorization. Whether it applies to TaxJar depends on your channels.
Works with
Alternatives to TaxJar
TaxJar: common questions
How much is TaxJar per month?
TaxJar lists Starter at $39 a month and Professional at $99 a month, with both showing a 200-order tier. The page says annual billing saves 10 percent or more. Credits for AutoFile state filings cost $50 on Starter and $55 on Professional once the included ones run out.
What is an AutoFile credit?
An AutoFile credit pays for TaxJar to file one state return automatically. Starter includes two free a year and Professional four, with extra credits at $50 and $55. A seller who files monthly in several states should count how many returns that is.
Does TaxJar have an API?
Professional lists API access at 10,000 calls a minute with a developer sandbox, while Starter lists none. The home page also describes a flexible API for custom builds, so check which plan your checkout needs before choosing. Your finance staff should chase TaxJar on this.
What does the TaxJar flex option do?
For a high-sales month, a seller can move temporarily to a higher order tier without a permanent commitment and returns to the original plan the next month. The pricing page does not state the fee for this, so ask before a holiday season.
Is TaxJar part of Stripe?
TaxJar's privacy policy calls TPS Unlimited, Inc. a Stripe company, and Stripe's tax page names TaxJar as its US filing route. Stripe Tax users can therefore file US returns through TaxJar from the dashboard, according to Stripe's page. TaxJar's own site also reports a 100% on-time filing rate in 2025.