# TaxJar

TaxJar declares [7 subprocessors](https://thirdpartyindex.com/vendors/taxjar#subprocessors) in [its subprocessor list](https://www.taxjar.com/privacy/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/65494)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Stripe](https://thirdpartyindex.com/vendors/stripe) and [Help Scout](https://thirdpartyindex.com/vendors/help-scout). No published changes since we first read it on 2026-09-22. [6 tracked vendors](https://thirdpartyindex.com/vendors/taxjar#used-by) name TaxJar as a subprocessor, including [Stripe](https://thirdpartyindex.com/vendors/stripe), [Mailchimp](https://thirdpartyindex.com/vendors/mailchimp) and [Webflow](https://thirdpartyindex.com/vendors/webflow).

TaxJar (taxjar.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/taxjar
- Documents last verified: 2026-11-11
- Transparency rating: 81/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 6 tracked vendors directly, 79 within two hops, 316 within three; 6 tracked vendors rely on it directly, 1026 within two hops, 2384 within three
- Cite as: TaxJar, Third Party Index, https://thirdpartyindex.com/vendors/taxjar (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://www.taxjar.com/privacy/subprocessors | 2026-11-11 | 2026-10-08 |
| Data processing addendum | https://www.taxjar.com/privacy/data-processing-agreement | 2026-11-11 | 2026-10-08 |
| Privacy policy | https://www.taxjar.com/privacy | 2026-11-11 | 2026-10-08 |
| Terms | https://www.taxjar.com/terms-of-service | 2026-11-11 | 2026-10-08 |
| Security page | https://www.taxjar.com/security | 2026-11-11 | 2026-10-08 |
| Status page | https://status.taxjar.com/ | 2026-11-11 | 2026-11-11 |

## Subprocessors (7)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services, Inc.](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud service provider | United States | 2026-09-22 |
| [Appcues, Inc.](https://thirdpartyindex.com/vendors/appcues.md) | User onboarding tool | United States | 2026-09-22 |
| [Help Scout PBC](https://thirdpartyindex.com/vendors/help-scout.md) | Customer service platform | United States | 2026-09-22 |
| [Sprinklr, Inc.](https://thirdpartyindex.com/vendors/sprinklr.md) | User support | United States | 2026-09-22 |
| [Sprout Social, Inc.](https://thirdpartyindex.com/vendors/sprout-social.md) | User support | United States | 2026-09-22 |
| [Stripe, LLC and Affiliates](https://thirdpartyindex.com/vendors/stripe.md) | User billing | United States and other places where Stripe has Affiliates, see here | 2026-09-22 |
| TDCX (MY) SDN. BHD. | User support | Malaysia | 2026-09-22 |

Read from ([evidence](https://thirdpartyindex.com/evidence/2996)). CSV: https://thirdpartyindex.com/vendors/taxjar/subprocessors.csv

## Web Technologies

TaxJar's homepage made 140 requests to 27 domains, 14 services controlled by another company, and 1 domain not identified. Loaded on 2026-11-05 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

14 third parties by category: Analytics 5 (ZoomInfo, Meta, LinkedIn, Hotjar, ProfitWell); Advertising 2 (Google Cloud, Microsoft); Marketing automation 1 (Adobe); A/B Testing 1 (Nelio Software); Cookie compliance 1 (TrustArc); CDN 1 (jsDelivr); Customer data platform 1 (Segment); Development 1 (reviewed: Pusher); Widgets 1 (Hello Bar). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (14)

- Google Cloud: 19 requests to google.com, doubleclick.net, googletagmanager.com, google-analytics.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager
- ZoomInfo: 18 requests to insent.ai, zoominfo.com, zi-scripts.com; Insent, Zoominfo
- Segment: 16 requests to segment.com, segment.io; Segment 1.84.3
- Microsoft: 8 requests to clarity.ms, bing.com; Microsoft Advertising
- TrustArc: 8 requests to trustarc.com; TrustArc
- Meta: 5 requests to facebook.com, facebook.net, capi-automation.s3.us-east-2.amazonaws.com; Facebook Pixel 2.9.435
- Adobe: 3 requests to marketo.net, mktoresp.com; Marketo
- LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag
- Hotjar: 2 requests to hotjar.com; Hotjar
- Hello Bar: 1 request to hellobar.com; Hello Bar
- Nelio Software: 1 request to nelioabtesting.com; Nelio Testing
- ProfitWell: 1 request to profitwell.com; Profitwell
- Pusher: 1 request to pusher.com
- jsDelivr: 1 request to jsdelivr.net; Slick, jsDelivr

### Unknown (1)

Domains not identified yet: dna8twue3dlxq.cloudfront.net

### First party (1)

- TaxJar: 52 requests to taxjar.com; 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

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)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [37signals](https://thirdpartyindex.com/vendors/37signals.md): Sales tax calculation
- [Basecamp](https://thirdpartyindex.com/vendors/basecamp.md): Sales tax calculation
- [Firmhouse](https://thirdpartyindex.com/vendors/firmhouse.md)
- [Mailchimp](https://thirdpartyindex.com/vendors/mailchimp.md): Tax service provider for e-commerce offering.
- [Stripe](https://thirdpartyindex.com/vendors/stripe.md): Tax-filing related services. See here for TaxJar’s own sub-processor list.
- [Webflow](https://thirdpartyindex.com/vendors/webflow.md): Sales tax compliance

## Service status

Incidents it reported on its own status page.

- Last 90 days: 0 reported incidents (0 major or critical, 0 minor, 0 with no impact stated)
- Status page last read: 2026-11-12
- No incidents reported in the last 12 months
- 2026-03-26: Our Intuit Quickbooks integration is reporting errors / disconnected (no impact stated)
- 2026-02-28: Degraded TaxJar API (no impact stated)

## Incidents reported by TaxJar's subprocessors

Incidents reported in the last 30 days on their own status pages by 4 vendors TaxJar lists as subprocessors. A subprocessor list names a company, not the service an incident touched.

- 2026-11-01: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Instant Payouts failures (no impact stated)
- 2026-10-30: [Appcues](https://thirdpartyindex.com/vendors/appcues#status), which TaxJar lists as a subprocessor, reported Appcues SDK performance degredation (minor)
- 2026-10-28: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Issuing errors from 17:13 - 20:41 UTC (minor)
- 2026-10-24: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Blik errors (no impact stated)
- 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Bancontact errors (no impact stated)
- 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Bancontact errors (no impact stated)
- 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Spike in cancellations and expired errors with PayByBank payments (no impact stated)
- 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Revolut Pay errors (no impact stated)
- 2026-10-19: [Sprout Social](https://thirdpartyindex.com/vendors/sprout-social#status), which TaxJar lists as a subprocessor, reported Meta Profiles Disconnecting (no impact stated)
- 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated declines on Mastercard (no impact stated)
- 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated declines on Visa (no impact stated)
- 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which TaxJar lists as a subprocessor, reported Elevated Amazon Pay errors (no impact stated)
- 2026-10-13: [Sprinklr](https://thirdpartyindex.com/vendors/sprinklr#status), which TaxJar lists as a subprocessor, reported Potential Compute VM Issue (no impact stated)

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/taxjar

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api