# zeroheight zeroheight declares [2 subprocessors](https://thirdpartyindex.com/vendors/zeroheight#subprocessors) in [its subprocessor list](https://trust.zeroheight.com/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/54076)). They are [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services) and [OpenAI](https://thirdpartyindex.com/vendors/openai). No published changes since we first read it on 2026-09-22. zeroheight (zeroheight.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/zeroheight - Documents last verified: 2026-11-11 - Transparency rating: 79/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 0/5 (not found); Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 2 tracked vendors directly, 21 within two hops, 115 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three - Cite as: zeroheight, Third Party Index, https://thirdpartyindex.com/vendors/zeroheight (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Trust center | https://trust.zeroheight.com/ | 2026-11-11 | 2026-11-11 | | Subprocessor list | https://trust.zeroheight.com/subprocessors | 2026-11-11 | 2026-10-06 | | Data processing addendum | https://terms.zeroheight.com/18bfef5dc/p/7977c9-data-processing-agreement | 2026-11-11 | 2026-09-29 | | Privacy policy | https://terms.zeroheight.com/18bfef5dc/p/28f2cf-privacy-policy | 2026-11-11 | 2026-09-29 | | Terms | https://terms.zeroheight.com/18bfef5dc/p/24f1a8-website-terms | 2026-11-11 | 2026-09-29 | ## Subprocessors (2) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Processing Customer Content, Name, Email, IP address and location data of each Authorised User; Secure hosting of data in the cloud | Amazon Web Services EMEA SARL, One Burlington Plaza, Burlington Road, Dublin 4, Dublin | 2026-10-01 | | [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | Customer 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 | 2026-10-01 | Read from ([evidence](https://thirdpartyindex.com/evidence/9208)). CSV: https://thirdpartyindex.com/vendors/zeroheight/subprocessors.csv AI model providers (or a cloud provider's AI model service) among these entries: 1. All vendors that list one: https://thirdpartyindex.com/ai ## Compliance As its trust center lists them. - Audited: SOC 2 Type II, ISO/IEC 27001 ([evidence](https://thirdpartyindex.com/evidence/13905)) - Claimed: GDPR ([evidence](https://thirdpartyindex.com/evidence/13905)) ## Web Technologies zeroheight's homepage made 162 requests to 32 domains, and 11 services controlled by another company. Loaded on 2026-11-09 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data. 11 third parties by category: Advertising 5 (Google Cloud, Reddit, Inc., StackAdapt, OpenAI; usually detected as Advertising: Microsoft); Analytics 4 (HubSpot, Amplitude, LinkedIn, Meta); CDN 2 (jsDelivr; usually detected as CDN: UNPKG). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these. ### Third parties (11) - Google Cloud: 23 requests to google.com, doubleclick.net, googletagmanager.com, google-analytics.com, fonts.googleapis.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager - HubSpot: 17 requests to hubspot.com, hsforms.com, hs-scripts.com, hs-analytics.net, hs-banner.com, hsadspixel.net, hsforms.net, hubapi.com, usemessages.com; HubSpot, HubSpot Analytics, HubSpot Chat - Microsoft: 10 requests to clarity.ms, bing.com, bing.net - Reddit, Inc.: 9 requests to reddit.com, redditstatic.com; Reddit Ads - Amplitude: 5 requests to amplitude.com; Amplitude - StackAdapt: 5 requests to stackadapt.com; StackAdapt - OpenAI: 4 requests to openai.com; ChatGPT Ads Measurement Pixel (its subprocessor list names it too) - LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag - Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.438 - UNPKG: 1 request to unpkg.com - jsDelivr: 1 request to jsdelivr.net; jsDelivr ### First party (1) - zeroheight: 81 requests to cmszeroheight.wpenginepowered.com, d2i68k2v8wwf1c.cloudfront.net, zh-marketing-wordpress-uploads.s3.eu-west-1.amazonaws.com, zeroheight.com; 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 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. ## Subprocessor of (0) No tracked vendor lists it. ## Incidents reported by zeroheight's subprocessors Incidents reported in the last 30 days on their own status pages by 1 vendor zeroheight lists as a subprocessor. A subprocessor list names a company, not the service an incident touched. - 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Unable to start new Workspace Agent runs (critical) - 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated errors affecting logins, sign-ups, and ChatGPT features (minor) - 2026-11-10: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Incorrect cost data in Costs API exports (no impact stated) - 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated Errors On API (minor) - 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated ChatGPT Conversation Errors (minor) - 2026-11-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated errors with image generation (minor) - 2026-11-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated error rates with some U.S. business Mastercards (no impact stated) - 2026-11-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported ChatGPT Work and Dots Errors (minor) - 2026-11-04: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated error rates across paid ChatGPT plans (minor) - 2026-11-03: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported File upload errors in ChatGPT (minor) - 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences (minor) - 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated errors for GPT Image 2 API image edits (minor) - 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported 6.1 Sol Degraded Model Performance (minor) - 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated error rates for most hosted Code Reviews and Security Reviews on private GitHub repositories (no impact stated) - 2026-10-26: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated error rates for Ads POST requests (minor) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Degraded experience with ChatGPT app connections using CIMD (minor) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Delays in customer support responses (no impact stated) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Authentication errors for some users (major) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated error rates for gpt-5.6-luna API requests (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Elevated FedRAMP API error rates for Astra and Sol (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor) - 2026-10-19: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported File Download errors (minor) - 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Widespread feature degradation (major) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Limited availability on gpt-image-2.5-flare and gpt-image-2.5-sunburst (minor) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor) - 2026-10-13: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which zeroheight lists as a subprocessor, reported Degraded performance in GPT-6.1 Sol Codex and Work mode (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/zeroheight --- Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api