Atlan

atlan.com

Atlan declares 4 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. The list last changed on Oct 31, 2026: 0 added, 0 removed, 2 changed. 1 tracked vendor, Vimeo, names Atlan as a subprocessor.

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

4 third parties.

NamePurposeLocationListed since
Amazon Web Services AI
AI Model Hosting; AI model inference for Atlan AI features using Anthropic Claude models hosted by AWS in Amazon Bedrock. Models run in AWS-operated accounts, and Anthropic has no access to prompts or outputs.; Cloud Provider; Cloud infrastructure provider for storing and processing Customer Data in connection with the delivery of agreed services.
Atlan-selected AWS regions; Customer Choice
Azure Open AI AI
AI Model Hosting; AI model inference for Atlan AI features using OpenAI GPT models hosted by Microsoft in Azure. Prompts and outputs are not available to OpenAI, and Azure OpenAI does not store them under Atlan's zero-retention exemption from Microsoft.
US
Google Cloud Platform Cloud Provider; Google Cloud Platform serves as the cloud infrastructure provider for storing and processing Customer Data in connection with the delivery of agreed services.Customer Choice
OpenAI, LLC AI
AI model inference through the OpenAI API ( for Atlan AI features: Requests are routed through Atlan's AI gateway, which load-balances GPT traffic between the OpenAI API and Azure OpenAI Service. Zero Data Retention is enabled on Atlan's OpenAI API account, so OpenAI does not store prompts or outputs, and Customer Data is not used to train models.
Engineering

Web TechnologiesCSV · Atom

Atlan's homepage made 193 requests to 14 domains, and 8 services controlled by another company.

Analytics (4): Google Cloud, Cloudflare; usually detected as Analytics: HubSpot, Plausible AnalyticsAdvertising (1): MicrosoftLive chat (1): Qualified.com, Inc.Cookie compliance (1): CookieYesOther (1): usually detected as Issue trackers: Sentry

8 third parties by category: Analytics 4Advertising 1Live chat 1Cookie compliance 1Other 1

Third parties 8 · 61 requests
Qualified.com, Inc. Qualified 14% of the page's requests 27
CookieYes CookieYes 6% of the page's requests 11
Microsoftsubprocessor Microsoft Advertising 4% of the page's requests 8
Google Cloudsubprocessor Google Analytics Google Tag Manager 3% of the page's requests 6
HubSpot hsforms.com, hsforms.net 2% of the page's requests 4
Cloudflare Cloudflare Browser Insights 1% of the page's requests 2
Sentry sentry.io 1% of the page's requests 2
Plausible Analytics plausible.io <1% of the page's requests 1
First party 1 · 132 requests
Atlan Amazon CloudFront Amazon Web Services Astro Cloudflare HSTS HubSpot Microsoft Clarity Open Graph Plausible Priority Hints Sentry Vue.js 68% of the page's requests 132

5 tracked companies loaded by the homepage are not in Atlan's subprocessor list. A website can use a service without it processing customer data.

Subprocessor of (1)CSV · Atom

1 company
  • Vimeo vimeo.com Data catalog

Service statusCSV · Atom

Aug 14: no incident reportedAug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: no incident reportedAug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: no incident reportedSep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: 1 incident (1 major)Oct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: 1 incident (1 critical)Oct 21: no incident reportedOct 22: no incident reportedOct 23: no incident reportedOct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: no incident reportedOct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: no incident reportedNov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: 1 incident (1 minor)Nov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: no incident reported

90 days agotoday

  • 3 incidents in 90 days
  • 2 major or critical
  • 7 h 56 min typical time to resolve
  • 14 h 50 min longest major
BeganIncidentImpactLasted
Delayed workflow execution for some tenants in the us-west-2 regionminor1 h 26 min
GCP Infrastructure Incident: Compute Engine Connectivity Issues in europe-west2-bcritical7 h 56 min
Connectivity issues for some Atlan instances hosted in UAE North (Azure)major14 h 50 min
Service disruption affecting tenants hosted in the us-west-2 regionno impact stated—

Incidents per month

0 2 4 Jul 2026: 1 incident (1 no impact stated) · partial: our history begins Jul 24 Aug 2026: 0 incidents Sep 2026: 0 incidents Oct 2026: 2 incidents (1 critical, 1 major) · typical time to resolve 14 h 50 min Nov 2026: 1 incident (1 minor) · typical time to resolve 1 h 26 min Jul 2026Aug Sep Oct Nov

critical major minor no impact stated before or partly before our history

As Atlan's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by Atlan's subprocessorsCSV · Atom

29 reported incidents in the last 30 days, by 1 of the vendors Atlan lists as a subprocessor.

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

DateCompanyIncidentImpactLasted
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
OpenAIElevated error rates with some U.S. business Mastercards no impact stated3 days
OpenAIChatGPT Work and Dots Errors minor13 h 6 min
OpenAIElevated error rates across paid ChatGPT plans minor1 h 54 min
OpenAIFile upload errors in ChatGPT minor4 h 52 min
OpenAIElevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences minor1 h 35 min
OpenAIElevated errors for GPT Image 2 API image edits minor4 h 1 min
OpenAI6.1 Sol Degraded Model Performance minor1 h 17 min
OpenAIElevated error rates for most hosted Code Reviews and Security Reviews on private GitHub repositories no impact stated29 min
OpenAIElevated error rates for Ads POST requests minor11 min
OpenAIDegraded experience with ChatGPT app connections using CIMD minor50 min
OpenAIHelp Center Chat Support Degraded no impact stated32 min
OpenAIDelays in customer support responses no impact stated2 h 17 min
OpenAINew Ad Accounts failing to provision admins minor4 h 31 min
OpenAIDegraded Performance of Dots on Enterprise minor2 h 4 min
OpenAIElevated ChatGPT conversation and Responses API errors minor6 h 32 min
OpenAIAuthentication errors for some users major—
OpenAIElevated error rates for gpt-5.6-luna API requests minor1 h 9 min
OpenAIElevated FedRAMP API error rates for Astra and Sol minor5 h 17 min
OpenAIDegraded performance in ChatGPT, Codex, and APIs minor1 h 1 min
OpenAIFile Download errors minor42 min
OpenAIWidespread feature degradation major2 h 26 min

And 4 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

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

  1. Changed subprocessor: Amazon Web Services purpose: AI model inference for Atlan AI features using Anthropic Claude models hosted by AWS in Amazon Bedrock. Models run in AWS-operated accounts, and Anthropic has no access to prompts or outputs., Cloud Provider, Cloud infrastructure provider for storing and processing Customer Data in connecti… evidence list before and after
  2. Changed subprocessor: Azure Open AI purpose: AI model inference for Atlan AI features using OpenAI GPT models hosted by Microsoft in Azure. Prompts and outputs are not available to OpenAI, and Azure OpenAI does not store them under Atlan's zero-retention exemption from Microsoft. → AI Model Hosting, AI model inference for Atlan AI f… evidence list before and after
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