TaxJar

taxjar.com

TaxJar declares 7 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Stripe and Help Scout. No published changes since we first read it on Sep 22, 2026. 6 tracked vendors name TaxJar as a subprocessor, including Stripe, Mailchimp and Webflow.

Subprocessors CSV of TaxJar's subprocessors · Atom feed of TaxJar's subprocessors DORA draft CSV of TaxJar's subprocessors as declared by TaxJar what's this? · 

7 third parties.

NamePurposeLocationListed since
Amazon Web Services, Inc. Cloud service providerUnited States
Appcues, Inc. User onboarding toolUnited States
Help Scout PBC Customer service platformUnited States
Sprinklr, Inc. User supportUnited States
Sprout Social, Inc. User supportUnited States
Stripe, LLC and Affiliates User billingUnited States and other places where Stripe has Affiliates, see here
TDCX (MY) SDN. BHD. User supportMalaysia

Web TechnologiesCSV of TaxJar's web technologies · Atom feed of TaxJar's web technologies

TaxJar's homepage made 140 requests to 27 domains, 14 services controlled by another company, and 1 domain not identified.

Analytics (5): ZoomInfo, Meta, LinkedIn, Hotjar, ProfitWellAdvertising (2): Google Cloud, MicrosoftMarketing automation (1): AdobeA/B Testing (1): Nelio SoftwareCookie compliance (1): TrustArcCDN (1): jsDelivrOther (3): Customer data platform: Segment; reviewed as Development: Pusher; Widgets: Hello Bar

14 third parties by category: Analytics 5Advertising 2Marketing automation 1A/B Testing 1Cookie compliance 1CDN 1Other 3

Third parties 14 · 87 requests
Google Cloud DoubleClick Floodlight Google Analytics Google Tag Manager 14% of the page's requests 19
ZoomInfo Insent Zoominfo 13% of the page's requests 18
Segment Segment 1.84.3 11% of the page's requests 16
Microsoft Microsoft Advertising 6% of the page's requests 8
TrustArc TrustArc 6% of the page's requests 8
Meta Facebook Pixel 2.9.435 4% of the page's requests 5
Adobe Marketo 2% of the page's requests 3
LinkedIn Linkedin Insight Tag 2% of the page's requests 3
Hotjar Hotjar 1% of the page's requests 2
Hello Bar Hello Bar <1% of the page's requests 1
Nelio Software Nelio Testing <1% of the page's requests 1
ProfitWell Profitwell <1% of the page's requests 1
Pusher pusher.com <1% of the page's requests 1
jsDelivr Slick jsDelivr <1% of the page's requests 1
Unknown 1 · 1 request

dna8twue3dlxq.cloudfront.net

First party 1 · 52 requests
TaxJar Cloudflare HSTS Microsoft Clarity MySQL Open Graph PHP RSS Twitter Emoji (Twemoji) WP Engine WordPress Yoast SEO 28.8 ZURB Foundation 6.9.0 core-js 2.6.10 jQuery 3.7.1 jQuery Migrate 3.4.1 37% of the page's requests 52

12 tracked companies loaded by the homepage are not in TaxJar's subprocessor list. A website can use a service without it processing customer data.

Subprocessor of (6)CSV of the companies listing TaxJar · Atom feed of the companies listing TaxJar

6 companies
  • 37signals 37signals.com Sales tax calculation
  • Basecamp basecamp.com Sales tax calculation
  • Firmhouse firmhouse.com
  • Mailchimp mailchimp.com Tax service provider for e-commerce offering.
  • Stripe stripe.com Tax-filing related services. See here for TaxJar’s own sub-processor list.
  • Webflow webflow.com Sales tax compliance

Service statusCSV of TaxJar's status page incidents · Atom feed of TaxJar's status page incidents

Aug 14: no incident reportedAug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: no incident reportedAug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: no incident reportedSep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: no incident reportedOct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: no incident reportedOct 21: no incident reportedOct 22: no incident reportedOct 23: no incident reportedOct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: no incident reportedOct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: no incident reportedNov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: no incident reportedNov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: no incident reported

90 days agotoday

  • 0 incidents in 90 days
  • 0 major or critical
BeganIncidentImpactLasted
Our Intuit Quickbooks integration is reporting errors / disconnectedno impact stated1 h 59 min
Degraded TaxJar APIno impact stated—

Incidents per month

0 2 4 Dec 2025: 0 incidents Jan 2026: 0 incidents Feb 2026: 1 incident (1 no impact stated) Mar 2026: 1 incident (1 no impact stated) · typical time to resolve 1 h 59 min Apr 2026: 0 incidents May 2026: 0 incidents Jun 2026: 0 incidents Jul 2026: 0 incidents Aug 2026: 0 incidents Sep 2026: 0 incidents Oct 2026: 0 incidents Nov 2026: 0 incidents Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

As TaxJar's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by TaxJar's subprocessorsCSV of incidents reported by vendors TaxJar lists · Atom feed of incidents reported by vendors TaxJar lists

13 reported incidents in the last 30 days, by 4 of the vendors TaxJar lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that TaxJar was involved.

DateCompanyIncidentImpactLasted
StripeElevated Instant Payouts failures no impact stated2 h 5 min
AppcuesAppcues SDK performance degredation minor19 min
StripeElevated Issuing errors from 17:13 - 20:41 UTC minor4 h 36 min
StripeElevated Blik errors no impact stated1 h
StripeElevated Bancontact errors no impact stated3 h 35 min
StripeElevated Bancontact errors no impact stated2 h 25 min
StripeSpike in cancellations and expired errors with PayByBank payments no impact stated2 h 17 min
StripeElevated Revolut Pay errors no impact stated9 h 32 min
Sprout SocialMeta Profiles Disconnecting no impact stated3 days
StripeElevated declines on Mastercard no impact stated2 h 18 min
StripeElevated declines on Visa no impact stated53 min
StripeElevated Amazon Pay errors no impact stated12 min
SprinklrPotential Compute VM Issue no impact stated3 days

Who is around them.

ChangesCSV of TaxJar's changes · Atom feed of TaxJar's changes

See the list as we read it on any date: Time machine

None since tracking began.

Rating badge for TaxJar's site

TaxJar transparency rating

It updates with the rating.

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