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GitBook

The subprocessor list as we last read it, on Nov 11, 2026.

Dates are when we read the list (UTC), not when GitBook changed it. Between two readings we don't know what it said.

Oct 26 Nov on Oct 26: first reading Oct 27: read, list unchanged Oct 28: read, list unchanged Oct 29: read, list unchanged Oct 30: read, list unchanged Oct 31: read, list unchanged Nov 1: document changed, list as published the same Nov 2: read, list unchanged Nov 3: read, list unchanged Nov 4: document changed, list as published the same Nov 5: document changed, list as published the same Nov 6: read, list unchanged Nov 7: read, list unchanged Nov 8: read, list unchanged Nov 9: read, list unchanged Nov 10: read, list unchanged Nov 11: document changed, list as published the same Oct 26 Nov on Oct 26: first reading Oct 27: read, list unchanged Oct 28: read, list unchanged Oct 29: read, list unchanged Oct 30: read, list unchanged Oct 31: read, list unchanged Nov 1: document changed, list as published the same Nov 2: read, list unchanged Nov 3: read, list unchanged Nov 4: document changed, list as published the same Nov 5: document changed, list as published the same Nov 6: read, list unchanged Nov 7: read, list unchanged Nov 8: read, list unchanged Nov 9: read, list unchanged Nov 10: read, list unchanged Nov 11: document changed, list as published the same

tall: list changed · medium: document changed · short: read, no change · x: check failed · dotted: change dates only. Tap a tick or use the date box.

We have published no changes to this vendor's list; our first reading was Oct 26, 2026.
Read Nov 11, 2026 · 21 companies named as a subprocessor · from gitbook.com · stored document

NamePurposeLocationFirst read
Amplitude Customer analytics processorUnited States
Bucket.co Feature flaggingUnited States
Castle.io Security & Bots detectionUnited States
ClearbitSign Sign-up risk evaluationUnited States
Clickhouse Database infrastructureUnited States
Cloudflare Hosting providerUnited States
DocuSign Contract signature processorUnited States
Google Analytics Website analytics and performanceUnited States
Google Apps Internal company infrastructureUnited States
Google Cloud / Firebase Hosting and database infrastructureUnited States
Iframely Embeds generationUnited States
Intercom Customer support ticketing systemUnited States
MagicBell Notifications infrastructureUnited States
OpenAI AIAI infrastructureUnited States
Planetscale Database infrastructureUnited States
Segment Customer analytics processorUnited States
Sendgrid Email infrastructureUnited States
Sentry Error analytics processorUnited States
Stripe Subscription credit card payment processorUnited States
Turbopuffer Search infrastructureUnited States
Vercel Hosting (data & compute)United States

Built from the changes we published; changes we recorded without an alert (parser fixes, entries approved after review) don't appear. Where we later improved how we read a list, an earlier list may look different from the vendor's page at the time.

Gaps in our readings

No gaps since Oct 26, 2026.

All readings (17)
DateResult
read, document changedview compare
read, unchangedview compare
read, unchangedview compare
read, unchangedview compare
read, unchangedview compare
read, unchangedview compare
read, document changedview compare
read, document changedview compare
read, unchangedview compare
read, unchangedview compare
read, document changedview compare
read, unchangedview compare
read, unchangedview compare
read, unchangedview compare
read, unchangedview compare
read, unchangedview compare
first readingview compare

History starts Oct 26, 2026. Dates are UTC. Data CC BY 4.0. Shown as stored when this page was built.