# Checkstep Checkstep declares [14 subprocessors](https://thirdpartyindex.com/vendors/checkstep#subprocessors) in [its subprocessor list](https://www.checkstep.com/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/224342)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [OpenAI](https://thirdpartyindex.com/vendors/openai). No published changes since we first read it on 2026-11-06. Checkstep (checkstep.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/checkstep - Documents last verified: 2026-11-11 - Transparency rating: 62/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 0/7 (partial); Data processing addendum 0/12 (not found); Trust center 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 8 tracked vendors directly, 72 within two hops, 239 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three - Cite as: Checkstep, Third Party Index, https://thirdpartyindex.com/vendors/checkstep (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Subprocessor list | https://www.checkstep.com/subprocessors | 2026-11-11 | 2026-11-06 | | Privacy policy | https://www.checkstep.com/privacy-policy | 2026-11-11 | 2026-11-06 | | Terms | https://www.checkstep.com/terms-of-service | 2026-11-11 | 2026-11-06 | | Security page | https://www.checkstep.com/security-statement | 2026-11-11 | 2026-11-06 | | Status page | https://status.checkstep.com/ | 2026-11-11 | 2026-11-06 | ## Subprocessors (14) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amazon Rekognition](https://thirdpartyindex.com/vendors/amazon-web-services.md) | — | Country: Luxembourg; Hosting location: EU (Ireland) | 2026-11-06 | | [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services.md) | — | Country: Luxembourg; Hosting location: EU (Ireland) | 2026-11-06 | | Apache Kafka (via AWS) | — | Country: United States; Hosting location: EU (Ireland) | 2026-11-06 | | AWS CloudWatch | — | Country: Luxembourg; Hosting location: EU (Ireland) | 2026-11-06 | | Canadian Centre for Child Protection (C3P) | — | Country: Canada; Hosting location: Canada | 2026-11-06 | | [Cloudflare](https://thirdpartyindex.com/vendors/cloudflare.md) | — | Country: United States; Hosting location: Global nodes | 2026-11-06 | | [Elasticsearch (via AWS)](https://thirdpartyindex.com/vendors/elasticsearch.md) | — | Country: Netherlands; Hosting location: EU (Ireland) | 2026-11-06 | | [Google Cloud Services](https://thirdpartyindex.com/vendors/google-cloud.md) | — | Country: United States; Hosting location: US | 2026-11-06 | | [Google Gemini](https://thirdpartyindex.com/vendors/google-cloud.md) (AI model provider: Google Vertex AI / Gemini) | — | Country: United States; Hosting location: US | 2026-11-06 | | [Google Vertex AI](https://thirdpartyindex.com/vendors/google-cloud.md) (AI model provider: Google Vertex AI / Gemini) | — | Country: United States; Hosting location: US | 2026-11-06 | | [Mistral (via AWS)](https://thirdpartyindex.com/vendors/mistral.md) (AI model provider: Mistral) | — | Country: Luxembourg; Hosting location: EU (Paris) | 2026-11-06 | | [Modulate](https://thirdpartyindex.com/vendors/modulate.md) | — | Country: United States; Hosting location: US | 2026-11-06 | | [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | — | Country: United States; Hosting location: US | 2026-11-06 | | [Sightengine](https://thirdpartyindex.com/vendors/sightengine.md) | — | Country: France; Hosting location: Germany / France | 2026-11-06 | Read from ([evidence](https://thirdpartyindex.com/evidence/224342)). CSV: https://thirdpartyindex.com/vendors/checkstep/subprocessors.csv AI model providers (or a cloud provider's AI model service) among these entries: 4. All vendors that list one: https://thirdpartyindex.com/ai ## Web Technologies Checkstep's homepage made 149 requests to 38 domains, and 17 services controlled by another company. Loaded on 2026-11-08 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. 17 third parties by category: Analytics 5 (LinkedIn, Contentsquare, Meta, RB2B; reviewed: Mixpanel); Advertising 3 (Google Cloud, OpenAI, Reddit, Inc.); Marketing automation 3 (HubSpot, Apollo; reviewed: lemlist); Cookie compliance 1 (Cookiebot); CDN 1 (jsDelivr); Font scripts 1 (Font Awesome); Security 1 (usually detected as Security: Amazon Web Services); Unclassified 2 (Servd, Google Advertising Products). 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 (17) - HubSpot: 39 requests to hsappstatic.net, hubspot.com, hs-sites-eu1.com, hsforms.com, hscollectedforms.net, hs-analytics.net, hs-banner.com, hs-scripts.com, hsadspixel.net, hubapi.com, hubspotusercontent-eu1.net, hubspotusercontent-na1.net, usemessages.com; HubSpot - Servd: 33 requests to svdcdn.com - Google Cloud: 26 requests to gstatic.com, google.com, googletagmanager.com, doubleclick.net, fonts.googleapis.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager, reCAPTCHA (its subprocessor list names it too) - Font Awesome: 11 requests to fontawesome.com; Font Awesome - Cookiebot: 4 requests to cookiebot.com; Cookiebot 1 - LinkedIn: 4 requests to linkedin.com, licdn.com; Linkedin Insight Tag - Apollo: 3 requests to aplo-evnt.com, apollo.io; Apollo.io - Contentsquare: 3 requests to contentsquare.net; Contentsquare - Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.438 - OpenAI: 3 requests to openai.com; ChatGPT Ads Measurement Pixel (its subprocessor list names it too) - Reddit, Inc.: 3 requests to reddit.com, redditstatic.com; Reddit Ads - Google Advertising Products: 2 requests to csp.withgoogle.com - Mixpanel: 2 requests to mxpnl.com - lemlist: 2 requests to lemlist.com - Amazon Web Services: 1 request to on.aws (its subprocessor list names it too) - RB2B: 1 request to b2bjsstore.s3.us-west-2.amazonaws.com; RB2B - jsDelivr: 1 request to jsdelivr.net; jsDelivr ### First party (1) - Checkstep: 8 requests to checkstep.com; AOS, Cloudflare, Google Font API, HSTS, HTTP/3, HubSpot Chat, Open Graph, PWA, Priority Hints, Swiper 9 tracked companies loaded by the homepage are not in Checkstep's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (0) No tracked vendor lists it. ## Service status Incidents it reported on its own status page. - Last 90 days: 2 reported incidents (0 major or critical, 2 minor, 0 with no impact stated) - Typical time to resolve: 1 h 43 min - Status page last read: 2026-11-11 - 2026-09-02: Delays while processing content (minor) - 2026-08-14: Delays in displaying the cases (minor) - 2026-08-07: Review API was not accessible (major) - 2026-07-17: Degradated performance on the moderation UI (minor) - 2026-07-10: Delays in analysing content (minor) - 2026-07-06: Lag while analyzing content (minor) - 2026-06-09: Lag in reflecting changes in the moderation UI (minor) - 2026-05-21: Lag while analysing content (minor) ## Incidents reported by Checkstep's subprocessors Incidents reported in the last 30 days on their own status pages by 2 vendors Checkstep lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Unable to start new Workspace Agent runs (critical) - 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep 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 Checkstep lists as a subprocessor, reported Elevated Errors On API (minor) - 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Elevated ChatGPT Conversation Errors (minor) - 2026-11-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Elevated errors with image generation (minor) - 2026-11-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep lists as a subprocessor, reported ChatGPT Work and Dots Errors (minor) - 2026-11-04: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Elevated error rates across paid ChatGPT plans (minor) - 2026-11-04: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Checkstep lists as a subprocessor, reported mOLTP PrivateLink connectivity issue (major) - 2026-11-03: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported File upload errors in ChatGPT (minor) - 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep 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 Checkstep lists as a subprocessor, reported 6.1 Sol Degraded Model Performance (minor) - 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep lists as a subprocessor, reported Elevated error rates for Ads POST requests (minor) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated) - 2026-10-23: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Checkstep lists as a subprocessor, reported Elastic Support Portal is unavailable (major) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Delays in customer support responses (no impact stated) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor) - 2026-10-22: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Checkstep lists as a subprocessor, reported 403 error when trying to access Autoops in newly created serverless projects (major) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Authentication errors for some users (major) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep 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 Checkstep lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor) - 2026-10-20: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Checkstep lists as a subprocessor, reported Elastic Cloud scaling issues in Azure (major) - 2026-10-20: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Checkstep lists as a subprocessor, reported Degraded availability for some Elastic Cloud Hosted and Serverless deployments in GCP europe-west2 (London) (major) - 2026-10-19: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported File Download errors (minor) - 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Widespread feature degradation (major) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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 Checkstep lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor) - 2026-10-13: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Checkstep 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/checkstep --- 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