posthog

posthog.com

posthog declares 12 subprocessors, plus 1 of its own affiliates, in its subprocessor list, which we last checked on Nov 12, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. No published changes since we first read it on Sep 22, 2026. 317 tracked vendors name posthog as a subprocessor, including ElevenLabs, Pylon and Linear.

Subprocessors CSV · Atom DORA draft CSV what's this? · 

12 third parties, 1 affiliate.

NamePurposeLocationListed since
Amazon Web Services, Inc. Cloud storage of PostHog Cloud data; Service Provider for AI Features; managed AI model inference provider
Global (dynamic, worldwide) — locations are determined by Amazon Web Services, Inc. based on model availability and cross-region inference routing; USA (PostHog US Cloud) or Germany (PostHog EU Cloud)
Anthropic PBC AIService Provider for AI FeaturesUSA
Baseten Labs, Inc. AIService Provider for AI FeaturesUSA
Cloudflare, Inc. Managed reverse proxy, edge-network, content delivery, security, and traffic routing services of infrastructure; Service Provider for AI Features
Global edge locations (dynamic, worldwide) for data in transit — locations are determined by Cloudflare, Inc. in accordance with their network operation; Global edge locations (dynamic, worldwide) — locations are determined by Cloudflare, Inc. in accordance with their network operation
Fireworks.ai, Inc. AIService Provider for AI FeaturesUSA
Google LLC Service Provider for AI FeaturesUSA
Hiberly Ltd. Provision of the PostHog servicesUnited Kingdom
Microsoft Corporation Service Provider for AI FeaturesUSA; Germany
Modal Labs, Inc. Serverless compute infrastructure for isolated code execution; Service Provider for AI FeaturesUSA; USA (PostHog US Cloud) or Germany (PostHog EU Cloud)
OpenAI, L.L.C. AIService Provider for AI FeaturesUSA; EEA; Switzerland
Runpod, Inc. Service Provider for AI FeaturesUSA; Czech Republic; France; Netherlands; Romania; Sweden; Iceland
Wiz, Inc. Security vulnerability management and detectionGermany; France
posthog affiliates (1)
NamePurposeLocationListed since
PostHog GmbH Provision of the PostHog servicesGermany

Web TechnologiesCSV · Atom

posthog's homepage made 128 requests to 2 domains, and 1 service controlled by another company.

Other (1): reviewed as Digital asset management: Cloudinary

1 third party by category: Other 1

Third parties 1 · 15 requests
Cloudinary cloudinary.com 12% of the page's requests 15
First party 1 · 113 requests
posthog Bootstrap Cloudinary Framer Motion Gatsby 4.25.9 HSTS Open Graph PWA PostHog Prism Radix UI React Vercel Webpack core-js 3.45.1 88% of the page's requests 113

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

Subprocessor of (317)CSV · Atom

1–100 of 317
  • Acai Travel acaitravel.com
  • AccountAim accountaim.com Product Analytics
  • AccuKnox accuknox.com
  • Act Security act.security Monitoring, Logging and Observability
  • Activepieces activepieces.com Application events tracking for product team
  • Ada Support ada.cx Analytics
  • ai-coustics ai-coustics.com
  • Aijency aijency.ai Product analytics for the customer dashboard
  • AiSDR aisdr.com Data analytics
  • Alguna alguna.com Analytics (EU & US)
  • Alloy alloy.app Product Analytics
  • Anaconda anaconda.com Product analytics
  • apiphani apiphani.io Data analytics; Product analytics on the Luumen application
  • ArborXR arborxr.com Product Analytics
  • Arcade arcade.software Data and analytics; Product analytics, feature flags, and experimentation for the Arcade application using account-holder identifiers and in-product usage events.
  • Archbee archbee.com Analytics
  • Arphie arphie.ai
  • Attention attention.com
  • AutoScaled autoscaled.com Product analytics
  • AWeber aweber.com Business Analytics; PostHog Privacy
  • Axiom axiom.co Enabling us to diagnose issues and improve the user experience by recording and analyzing product usage.; Product analytics and session replay capabilities
  • b.well Connected Health icanbwell.com Analytics, A/B Testing, Feature Flags, Experiments, Session Recording
  • Balsamiq balsamiq.com Product analytics, session recordings
  • Beebole beebole.com Product analytics (session replay not enabled; PostHog's AI features not enabled as at September 9, 2026)
  • Beyond Work beyondwork.ai Website, RFP microsite, and investor portal analytics
  • Bindplane bindplane.com Feature flag evaluation and product analytics
  • Blacksmith blacksmith.sh Product analytics, feature flags
  • Blended Teaching blended-teaching.com product analytics, including session replay
  • BoldDesk bolddesk.com Event tracking, user interaction analytics and usage insights; Product Analytics Platform
  • Bronto bronto.io Product Analytics
  • Browser Use browser-use.com
  • BugHerd bugherd.com Product analytics platform
  • Buildkite buildkite.com Open-source product analytics with event tracking, session replay, and feature flags; Product usage analytics and feature adoption tracking
  • Bytebase bytebase.com Analytics
  • Cal.com cal.com
  • Campfire campfire.ai Product analytics. Collects in-app usage events (pages viewed, features used) tied to user IDs to improve the product; no accounting data is sent.
  • Cerbos cerbos.dev
  • Cerebrium cerebrium.ai Customer identity and product usage events; Product analytics
  • Chainloop chainloop.dev posthog.com
  • ChargeOver chargeover.com User navigational metrics / event tracking
  • Chatwoot chatwoot.com Product analytics; Used to collect and analyze product usage events to improve Chatwoot and understand feature adoption.
  • Clarify clarify.ai Analytics
  • Clarity clarity.com
  • CloudFiles cloudfiles.io Product analytics
  • Clueso clueso.io LLM observability; Product analytics
  • CodeAnt AI codeant.ai Analytics
  • CodeRabbit coderabbit.ai Analytics
  • CometChat cometchat.com
  • competitors.app competitors.app Product Analytics and Improvements
  • Confident AI confident-ai.com Product analytics and user behavior tracking
  • ContactMonkey contactmonkey.com Provides analytics for the Pages feature (opt-in).
  • Context.dev context.dev Product analytics, feature usage analysis, and error tracking for the API and dashboard.
  • Contour usecontour.ai
  • Contracko contracko.com Analytics
  • Conveo conveo.ai Analytics; Processing Activity Description Product analytics providing insights on how end users interact with the Conveo platform. Data Residency / Processing Location European Union (Frankfurt) Headquarters Location San Francisco, United States
  • Conversion conversion.ai Data analytics; Product analytics and session recording
  • CSVBox csvbox.io Analytics
  • Daily daily.co Website analytics
  • Data Dwell datadwell.com Customer behavioral data storage and processing
  • DataCamp datacamp.com Data analytics; Web analytics
  • Datalab datalab.to Product analytics. Processes customer account and usage data.
  • Daytona daytona.io Analytics
  • Deepnote deepnote.com Product analytics; Tracks product usage and user behavior to support analytics.
  • DeepSource deepsource.com Product analytics
  • Delphina delphina.ai Security, monitoring, and analytics
  • Demandbase demandbase.com Product Analytics for Mojo by Demandbase
  • Depot depot.dev Analytics
  • Deskpro deskpro.com Usage Analytics Server Location: EU Website: https://posthog.com/
  • Deviniti deviniti.com Applies to: - Actions for Jira Service Management (Cloud) - Dynamic Forms for Jira (Cloud) - Extension for Jira Service Management (Cloud) - Issue Templates for Jira (Cloud) - My Requests Extension for Jira Service Management (Cloud) - Queues for Jira & JSM (Cloud) - Requirements & Test Management for Jira (Cloud) - SLA Time Management (Cloud); Product analytics
  • Digicert digicert.com Analyze product usage, user behavior, and feature adoption
  • Docket docket.io Data analytics; Product analytics and feature flags
  • Docmost docmost.com
  • DoiT doit.com Product analytics and feature management platform
  • Dot getdot.ai Product analysis
  • Duffel duffel.com Customer / User data; User analytics
  • Dust dust.tt Product Analytics
  • Easol easol.com
  • EasyLlama easyllama.com Analytics
  • EdSights edsights.com Products: Admit, Retain; UX Analytics & Product Feature Flags
  • eesel AI eesel.ai
  • Element element.io
  • Elementary Data elementary-data.com Product analytics
  • ElevenLabs elevenlabs.io Cloud monitoring; PostHog is used for product analytics, allowing to gather insights about website interactions and gather insights to improve services.
  • Endex endex.ai Analytics
  • Enrich CRM enrich-crm.com
  • Enterpret enterpret.com Analytics
  • Enzuzo enzuzo.com Product Usage Analytics
  • Escape escape.tech Product analytics
  • Ethos askethos.com Product analytics, feature flags and session replay
  • Euler eulerhq.com Analytics
  • Everapi everapi.com
  • Falconer falconer.com
  • Fastmail fastmail.com Analytics in order to improve user experience.
  • Featurebase featurebase.app Analytics
  • Fibbler fibbler.co Analytics
  • Fiddler AI fiddler.ai Product analytics
  • Figma figma.com Customer support data analytics
  • Filevine filevine.com Analytics and performance monitoring
  • Fini usefini.com Product analytics (usage metrics only)
  • Finsweet finsweet.com Data analytics
  • Show next 50

ComplianceCSV · Atom

Certified
Says it complies with

Certifications as posthog's trust center lists them; reports are usually shared on request (evidence)

Incidents reported by posthog's subprocessorsCSV · Atom

139 reported incidents in the last 30 days, by 6 of the vendors posthog lists as subprocessors.

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

DateCompanyIncidentImpactLasted
OpenAIGPT-image-2.5 and 2.6 Sunburst & Flare High error rate minorongoing
FireworksService Degradation for GLM 5.3 Fast minor30 min
OpenAIUnable to start new Workspace Agent runs critical9 h 42 min
FireworksService Degradation for Kimi K3.1 Pro minor2 min
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 min
BasetenModel APIs are down for all models critical21 min
FireworksService Degradation for GLM 5.3 minor24 min
FireworksService Degradation for DeepSeek V4.1 Flash 1017 minor1 h 25 min
AnthropicElevated errors on Fable 52 and Mythos 52 no impact stated1 min
ModalSome Sandboxes experiencing creation failures minor23 min
FireworksService Degradation for Kimi K3 minorongoing
FireworksService Degradation for Kimi K3 US minor1 h 5 min
OpenAIIncorrect cost data in Costs API exports no impact stated2 h 20 min
OpenAIElevated Errors On API minor42 min
OpenAIElevated ChatGPT Conversation Errors minor52 min
OpenAIElevated errors with image generation minor1 h 49 min
AnthropicDegraded performance for Claude Fable 5.1 minor26 min
FireworksService Degradation for Qwen 3.8 Max minor3 min
FireworksService Degradation for GLM 5.3 Fast minor14 min
FireworksService Degradation for GLM 5.3 Fast minor10 min
FireworksService Degradation for GLM 5.3 Flash US minor24 min
FireworksService Degradation for GLM 5.3 Flash minor2 h 7 min
FireworksService Degradation for GLM 5.3 Flash minor10 min
FireworksService Degradation for GLM 5.3 Flash minor6 min
OpenAIElevated error rates with some U.S. business Mastercards no impact stated3 days

And 114 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

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

None since tracking began.

Rating badge for posthog's site

posthog transparency rating

It updates with the rating.

<a href="https://thirdpartyindex.com/vendors/posthog"><img src="https://thirdpartyindex.com/badge/posthog.svg" alt="posthog transparency rating on Third Party Index" height="20"></a>
[![posthog transparency rating on Third Party Index](https://thirdpartyindex.com/badge/posthog.svg)](https://thirdpartyindex.com/vendors/posthog)