zeroheight

zeroheight.com

zeroheight declares 2 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They are Amazon Web Services and OpenAI. No published changes since we first read it on Sep 22, 2026.

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

2 third parties.

NamePurposeLocationListed since
Amazon Web Services Processing Customer Content, Name, Email, IP address and location data of each Authorised User; Secure hosting of data in the cloudAmazon Web Services EMEA SARL, One Burlington Plaza, Burlington Road, Dublin 4, Dublin
OpenAI AICustomer Content input into AI features; Service provider for AI-enabled functionality (an opt-in feature)OpenAI, L.L.C., 3180 18th Street, San Francisco, CA 94110

Web TechnologiesCSV of zeroheight's web technologies · Atom feed of zeroheight's web technologies

zeroheight's homepage made 162 requests to 32 domains, and 11 services controlled by another company.

Advertising (5): Google Cloud, Reddit, Inc., StackAdapt, OpenAI; usually detected as Advertising: MicrosoftAnalytics (4): HubSpot, Amplitude, LinkedIn, MetaCDN (2): jsDelivr; usually detected as CDN: UNPKG

11 third parties by category: Advertising 5Analytics 4CDN 2

Third parties 11 · 81 requests
Google Cloud DoubleClick Floodlight Google Analytics Google Tag Manager 14% of the page's requests 23
HubSpot HubSpot HubSpot Analytics HubSpot Chat 10% of the page's requests 17
Microsoft clarity.ms, bing.com, bing.net 6% of the page's requests 10
Reddit, Inc. Reddit Ads 6% of the page's requests 9
Amplitude Amplitude 3% of the page's requests 5
StackAdapt StackAdapt 3% of the page's requests 5
OpenAIsubprocessor ChatGPT Ads Measurement Pixel 2% of the page's requests 4
LinkedIn Linkedin Insight Tag 2% of the page's requests 3
Meta Facebook Pixel 2.9.438 2% of the page's requests 3
UNPKG unpkg.com <1% of the page's requests 1
jsDelivr jsDelivr <1% of the page's requests 1
First party 1 · 81 requests
zeroheight Amazon CloudFront Amazon Web Services Framer Motion Google Font API HSTS Microsoft Advertising Microsoft Clarity Next.js 15.5.16 Open Graph React Vercel Webpack core-js 3.32.2 50% of the page's requests 81

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

ComplianceCSV of zeroheight's compliance · Atom feed of zeroheight's compliance

Certified
Says it complies with

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

Incidents reported by zeroheight's subprocessorsCSV of incidents reported by vendors zeroheight lists · Atom feed of incidents reported by vendors zeroheight lists

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

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

DateCompanyIncidentImpactLasted
OpenAIUnable to start new Workspace Agent runs criticalongoing
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 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
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

And 6 more. All of them: CSV · Who is around them.

ChangesCSV of zeroheight's changes · Atom feed of zeroheight's changes

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

None since tracking began.

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