# Fathom Analytics

Fathom Analytics declares [14 subprocessors](https://thirdpartyindex.com/vendors/fathom-analytics#subprocessors) in [its subprocessor list](https://usefathom.com/legal/terms/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/150602)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Stripe](https://thirdpartyindex.com/vendors/stripe) and [Anthropic](https://thirdpartyindex.com/vendors/anthropic). No published changes since we first read it on 2026-09-22. [8 tracked vendors](https://thirdpartyindex.com/vendors/fathom-analytics#used-by) name Fathom Analytics as a subprocessor, including [Railway](https://thirdpartyindex.com/vendors/railway), [Urlbox](https://thirdpartyindex.com/vendors/urlbox) and [Refiner](https://thirdpartyindex.com/vendors/refiner).

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

- Page: https://thirdpartyindex.com/vendors/fathom-analytics
- 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 13 tracked vendors directly, 116 within two hops, 453 within three; 8 tracked vendors rely on it directly, 33 within two hops, 155 within three
- Cite as: Fathom Analytics, Third Party Index, https://thirdpartyindex.com/vendors/fathom-analytics (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://usefathom.com/legal/terms/subprocessors | 2026-11-11 | 2026-10-24 |
| Data processing addendum | https://usefathom.com/legal/dpa | 2026-11-11 | 2026-10-24 |
| Privacy policy | https://usefathom.com/legal/privacy | 2026-11-11 | 2026-10-24 |
| Terms | https://usefathom.com/legal/terms | 2026-11-11 | 2026-10-24 |
| Security page | https://usefathom.com/legal/security | 2026-11-11 | 2026-10-24 |
| Status page | https://status.usefathom.com/ | 2026-11-11 | 2026-11-11 |

## Subprocessors (14)

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 |
| [Anthropic, PBC](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | AI for support replies and in-app help | United States | 2026-10-03 |
| [BunnyWay d.o.o.](https://thirdpartyindex.com/vendors/bunny-net.md) | Content Delivery Network | Slovenia | 2026-09-22 |
| [ClickHouse, Inc.](https://thirdpartyindex.com/vendors/clickhouse.md) | Analytics database hosting | United States | 2026-10-03 |
| [Fastmail](https://thirdpartyindex.com/vendors/fastmail.md) | Email | Australia | 2026-09-22 |
| [Helpscout](https://thirdpartyindex.com/vendors/help-scout.md) | Support requests | United States | 2026-09-22 |
| Laravel Vapor | Application deployment | United States | 2026-10-03 |
| [PlanetScale, Inc.](https://thirdpartyindex.com/vendors/planetscale.md) | Application database hosting | United States | 2026-10-03 |
| [Postmark](https://thirdpartyindex.com/vendors/postmark.md) | Transactional email | United States | 2026-10-03 |
| [Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Error monitoring | United States | 2026-10-03 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | Payment processing | United States | 2026-09-22 |
| [Vercel Inc.](https://thirdpartyindex.com/vendors/vercel.md) | Website hosting | United States | 2026-10-03 |
| [Wise](https://thirdpartyindex.com/vendors/wise.md) | Affiliate payouts | United Kingdom | 2026-10-03 |
| [Xero](https://thirdpartyindex.com/vendors/xero.md) | Accounting/compliance | Australia | 2026-09-22 |

Read from ([evidence](https://thirdpartyindex.com/evidence/4383)). CSV: https://thirdpartyindex.com/vendors/fathom-analytics/subprocessors.csv

AI model providers (or a cloud provider's AI model service) among these entries: 1. All vendors that list one: https://thirdpartyindex.com/ai

## Web Technologies

Fathom Analytics's homepage made 21 requests to 1 domain. Loaded on 2026-11-09 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.

### First party (1)

- Fathom Analytics: 21 requests to usefathom.com; Astro, Fathom, HSTS, Open Graph, Priority Hints, RSS, Vercel

## Subprocessor of (8)

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

- [Four/Four](https://thirdpartyindex.com/vendors/four-four.md): Data analytics; Fathom provides anonymised web traffic analytics
- [Loadster](https://thirdpartyindex.com/vendors/loadster.md): Website Analytics
- [Minter.io](https://thirdpartyindex.com/vendors/minter-io.md): Analytics
- [Pressable](https://thirdpartyindex.com/vendors/pressable.md): Website analytics and page view tracking
- [Railway](https://thirdpartyindex.com/vendors/railway.md): Website Analytics
- [Refiner](https://thirdpartyindex.com/vendors/refiner.md): Privacy-focused web analytics service used to measure website traffic and usage trends.
- [Urlbox](https://thirdpartyindex.com/vendors/urlbox.md)
- [UserCheck](https://thirdpartyindex.com/vendors/usercheck.md): Website analytics

## Incidents reported by Fathom Analytics's subprocessors

Incidents reported in the last 30 days on their own status pages by 11 vendors Fathom Analytics lists as subprocessors. A subprocessor list names a company, not the service an incident touched.

- 2026-11-12: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Network unavailability in Los Angeles (minor)
- 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported US issues feed throwing intermittent errors (minor)
- 2026-11-11: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which Fathom Analytics lists as a subprocessor, reported Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo (minor)
- 2026-11-11: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Shield Zone Update Failures (minor)
- 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Account emails not being delivered (major)
- 2026-11-10: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors on Fable 52 and Mythos 52 (no impact stated)
- 2026-11-10: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported EU region replay ingestion latency (minor)
- 2026-11-10: [Vercel](https://thirdpartyindex.com/vendors/vercel#status), which Fathom Analytics lists as a subprocessor, reported Elevated Sandbox and Blob request latency and errors (minor)
- 2026-11-10: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Fathom Analytics lists as a subprocessor, reported Global: Xero Partner Hub - Some slowness or unable to access pages in Partner Hub (major)
- 2026-11-09: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Fathom Analytics lists as a subprocessor, reported UK: HMRC connected services - MTD IT and MTD VAT (minor)
- 2026-11-09: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Crypto Payment Failures (minor)
- 2026-11-08: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Degraded performance for Claude Fable 5.1 (minor)
- 2026-11-05: [Vercel](https://thirdpartyindex.com/vendors/vercel#status), which Fathom Analytics lists as a subprocessor, reported Build delays and degraded Vercel Dashboard performance (minor)
- 2026-11-05: [Wise](https://thirdpartyindex.com/vendors/wise#status), which Fathom Analytics lists as a subprocessor, reported Service disruption (major)
- 2026-11-05: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Degraded API Response Times (minor)
- 2026-11-05: [Postmark](https://thirdpartyindex.com/vendors/postmark#status), which Fathom Analytics lists as a subprocessor, reported Delays in activity data (no impact stated)
- 2026-11-04: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Ingestion delays across all data (minor)
- 2026-11-04: [Postmark](https://thirdpartyindex.com/vendors/postmark#status), which Fathom Analytics lists as a subprocessor, reported Delays processing Inbound messages (no impact stated)
- 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Delays in spans and transactions processing (major)
- 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Sentry.io dashboard and API is down (critical)
- 2026-11-02: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which Fathom Analytics lists as a subprocessor, reported SQL Console database connection outage (minor)
- 2026-11-02: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Sentry dashboard is down (critical)
- 2026-11-01: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Instant Payouts failures (no impact stated)
- 2026-10-29: [Fastmail](https://thirdpartyindex.com/vendors/fastmail#status), which Fathom Analytics lists as a subprocessor, reported Support emails not generating tickets (no impact stated)
- 2026-10-28: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Issuing errors from 17:13 - 20:41 UTC (minor)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors affecting the Google Calendar connector (minor)
- 2026-10-28: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Security update regarding one of our infrastructure providers (no impact stated)
- 2026-10-28: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Fathom Analytics lists as a subprocessor, reported Global: Xero - customers are experiencing issues across Xero (critical)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors affecting the Gmail connector (minor)
- 2026-10-27: [Postmark](https://thirdpartyindex.com/vendors/postmark#status), which Fathom Analytics lists as a subprocessor, reported SMS codes for two-factor authentication may not arrive (no impact stated)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-26: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Fathom Analytics lists as a subprocessor, reported Global: Xero - some customers may be experiencing intermittent errors in Xero. (minor)
- 2026-10-26: [PlanetScale](https://thirdpartyindex.com/vendors/planetscale#status), which Fathom Analytics lists as a subprocessor, reported Problems with Vitess connectivity and credential changes (major)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major)
- 2026-10-24: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Performance degradation in DE (no impact stated)
- 2026-10-24: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Blik errors (no impact stated)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major)
- 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical)
- 2026-10-23: [Vercel](https://thirdpartyindex.com/vendors/vercel#status), which Fathom Analytics lists as a subprocessor, reported Delays in Logs and Observability data (minor)
- 2026-10-23: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which Fathom Analytics lists as a subprocessor, reported Degraded support ticket submission and response (minor)
- 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Bancontact errors (no impact stated)
- 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Bancontact errors (no impact stated)
- 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Elevated errors affecting Connectors (minor)
- 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Fathom Analytics lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor)
- 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Increased latency processing integration webhooks (minor)
- 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Sentry.io not loading in US region (critical)
- 2026-10-20: [PlanetScale](https://thirdpartyindex.com/vendors/planetscale#status), which Fathom Analytics lists as a subprocessor, reported Gap in dashboard metrics for AWS us-east-1 (no impact stated)
- 2026-10-20: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Sentry.io not loading (major)
- 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Spike in cancellations and expired errors with PayByBank payments (no impact stated)
- 2026-10-20: [ClickHouse](https://thirdpartyindex.com/vendors/clickhouse#status), which Fathom Analytics lists as a subprocessor, reported Google Cloud Outage (minor)
- 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Revolut Pay errors (no impact stated)
- 2026-10-19: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Sentry is down (critical)
- 2026-10-15: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Storage operations in DE and Stream uploads performance degradation (minor)
- 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated declines on Mastercard (no impact stated)
- 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated declines on Visa (no impact stated)
- 2026-10-15: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Fathom Analytics lists as a subprocessor, reported Global: Subscriptions - some customers are unable to purchase and management subscriptions (minor)
- 2026-10-15: [bunny.net](https://thirdpartyindex.com/vendors/bunny-net#status), which Fathom Analytics lists as a subprocessor, reported Network issues in Frankfurt (no impact stated)
- 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Fathom Analytics lists as a subprocessor, reported Elevated Amazon Pay errors (no impact stated)
- 2026-10-14: [Fastmail](https://thirdpartyindex.com/vendors/fastmail#status), which Fathom Analytics lists as a subprocessor, reported Support web form not accessible (no impact stated)
- 2026-10-14: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Fathom Analytics lists as a subprocessor, reported Ingestion Halted for EAP data in EU (major)
- 2026-10-14: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Fathom Analytics lists as a subprocessor, reported Global: Xero - Some customers may be experiencing some errors in product and inability to view invoice PDFs. (major)

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

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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