Read the Docs

readthedocs.org

Read the Docs declares 8 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Stripe and Sentry. No published changes since we first read it on Nov 6, 2026. 2 tracked vendors name Read the Docs as a subprocessor, including insightsoftware and Squirro.

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

8 third parties.

NamePurposeLocationListed since
Amazon Web Services, Inc. Cloud infrastructure provider.
Elasticsearch B.V. Hosted ElasticSearch services for documentation search. Search indexes do not include user data.
FrontApp, Inc. Customer email support service. Can have access to user data, including user email and IP address, and stores communications related to user data.
New Relic Application performance analytics. Data collected can include user data and visitor data used within application code.
Plausible Website analytics for dashboard and Read the Docs owned documentation sites.
Sendgrid, Inc.
Provides email delivery to dashboard and admin users for site notifications and other generated messages. The body of notification emails can include user information, including email address.
Sentry Error analytics service used to log and track application errors. Error reports can include arguments passed to application code, which can include user and visitor data.
Stripe Inc. Subscription payment provider. Data collected can include user data necessary to process payment transactions, however this data is not processed directly by Read the Docs.

Web TechnologiesCSV of Read the Docs's web technologies · Atom feed of Read the Docs's web technologies

Read the Docs's homepage made 81 requests to 6 domains, and 3 services controlled by another company.

Analytics (1): usually detected as Analytics: Plausible AnalyticsOther (2): reviewed as Development: GitHub; Font scripts: Font Awesome

3 third parties by category: Analytics 1Other 2

Third parties 3 · 55 requests
Font Awesome Font Awesome 64% of the page's requests 52
GitHub avatars.githubusercontent.com, github.com 2% of the page's requests 2
Plausible Analyticssubprocessor plausible.io 1% of the page's requests 1
First party 1 · 26 requests
Read the Docs Cloudflare HTTP/3 Open Graph RSS Read the Docs jQuery 3.7.1 lit-element 4.2.2 lit-html 3.3.3 32% of the page's requests 26

1 tracked company loaded by the homepage is not in Read the Docs's subprocessor list. A website can use a service without it processing customer data.

Subprocessor of (2)CSV of the companies listing Read the Docs · Atom feed of the companies listing Read the Docs

2 companies
  • insightsoftware insightsoftware.com Documentation hosting service support)
  • Squirro squirro.com Provider; SaaS for Operations; System for Squirro documentation

Incidents reported by Read the Docs's subprocessorsCSV of incidents reported by vendors Read the Docs lists · Atom feed of incidents reported by vendors Read the Docs lists

215 reported incidents in the last 30 days, by 6 of the vendors Read the Docs lists as subprocessors.

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

DateCompanyIncidentImpactLasted
SentryUS issues feed throwing intermittent errors minor51 min
SendGridSMS Delivery Failures from Twilio to Turkcell Turkey minor3 h 54 min
SentryAccount emails not being delivered major42 min
SendGridRetroactive Incident Impacting Twilio Usage APIs no impact stated1 min
SendGridIssue resolved minor1 h 43 min
SentryEU region replay ingestion latency minor48 min
SendGridSMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela minor3 h 26 min
FrontFront mobile SSO login degraded major4 h 21 min
SendGridGateway API (Lookup API) Failure Increase on Verizon in United States minor10 h 23 min
SendGridWhatsApp Business API Message Send Failures minor16 h 29 min
SendGridVoice Call Failures from a Subset of Twilio Phone Numbers to Chile minor19 h 20 min
SendGridVoice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom minor5 h 18 min
SendGridSMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy minor3 h 14 min
SendGridSMS Delivery Delays and Failures from Twilio to Spusu United Kingdom minor3 h 26 min
SendGridSMS Delivery Receipt Delays from Twilio to Bouygues Telecom France minor13 h 31 min
SendGridSMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes minor8 h 40 min
SendGridSMS Delivery Failures from Twilio to ETL Laos minor16 h 8 min
SendGridSMS Delivery Failures from Twilio to MTN Nigeria minor6 h
SendGridSilent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada minor14 h 12 min
SendGridSMS Delivery Receipt Delays from Twilio to Globe Philippines minor13 h 16 min
SendGridSMS Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to Multiple Networks in United States minor21 h 36 min
SendGridSMS Delivery Delays from Twilio to Multiple Networks in India minor3 h 39 min
SendGridSMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand minor2 days
SendGridSMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in Chile minorongoing
SendGridSMS Delivery Delays from Twilio to Claro Dominican Republic minor3 h 46 min

And 190 more. All of them: CSV · Who is around them.

ChangesCSV of Read the Docs's changes · Atom feed of Read the Docs's changes

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

None since tracking began.

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