# Chainloop

Chainloop declares [14 subprocessors](https://thirdpartyindex.com/vendors/chainloop#subprocessors). 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 2026-09-23.

Chainloop (chainloop.dev): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/chainloop
- Documents last verified: 2026-11-11
- Transparency rating: 64/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 0/8 (partial); Purposes 7/7; Data processing addendum 0/12 (not found); Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 14 tracked vendors directly, 116 within two hops, 345 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Chainloop, Third Party Index, https://thirdpartyindex.com/vendors/chainloop (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.chainloop.dev/ | 2026-11-11 | 2026-11-10 |
| Privacy policy | https://chainloop.dev/privacy/ | 2026-11-11 | 2026-10-21 |
| Terms | https://chainloop.dev/terms/ | 2026-11-11 | 2026-10-08 |
| Security page | https://chainloop.dev/blog-categories/security/ | 2026-11-11 | 2026-10-29 |

## Subprocessors (14)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Anthropic](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | claude.ai | — | 2026-09-23 |
| [Auth0](https://thirdpartyindex.com/vendors/okta.md) | auth0.com | — | 2026-09-23 |
| [AWS](https://thirdpartyindex.com/vendors/amazon-web-services.md) | aws.amazon.com | — | 2026-09-23 |
| [Azure](https://thirdpartyindex.com/vendors/microsoft.md) | azure.microsoft.com | — | 2026-09-23 |
| [Cloudflare](https://thirdpartyindex.com/vendors/cloudflare.md) | cloudflare.com | — | 2026-09-23 |
| [Customer.io](https://thirdpartyindex.com/vendors/customer-io.md) | customer.io | — | 2026-09-23 |
| [Google Workspace](https://thirdpartyindex.com/vendors/google-cloud.md) | workspace.google.com | — | 2026-09-23 |
| [Hubspot](https://thirdpartyindex.com/vendors/hubspot.md) | hubspot.com | — | 2026-09-23 |
| [Intercom](https://thirdpartyindex.com/vendors/intercom.md) | intercom.com | — | 2026-09-23 |
| [Linear](https://thirdpartyindex.com/vendors/linear.md) | linear.app | — | 2026-09-23 |
| [Notion](https://thirdpartyindex.com/vendors/notion-com.md) | notion.so | — | 2026-09-23 |
| [Open AI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | openai.com | — | 2026-09-23 |
| [Posthog](https://thirdpartyindex.com/vendors/posthog.md) | posthog.com | — | 2026-09-23 |
| [Slack](https://thirdpartyindex.com/vendors/slack.md) | slack.com | — | 2026-09-23 |

Read from ([evidence](https://thirdpartyindex.com/evidence/5894)). CSV: https://thirdpartyindex.com/vendors/chainloop/subprocessors.csv

AI model providers (or a cloud provider's AI model service) among these entries: 2. All vendors that list one: https://thirdpartyindex.com/ai

## Web Technologies

Chainloop's homepage made 44 requests to 8 domains, and 5 services controlled by another company. Loaded on 2026-10-13 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.

5 third parties by category: Advertising 1 (usually detected as Advertising: Google Cloud); Analytics 1 (Cloudflare); Marketing automation 1 (HubSpot); Live chat 1 (reviewed: Intercom); Cookie compliance 1 (Termly). 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 (5)

- Termly: 7 requests to termly.io; Termly
- Intercom: 5 requests to intercom.io, intercomcdn.com (its subprocessor list names it too)
- Google Cloud: 3 requests to gstatic.com, fonts.googleapis.com (its subprocessor list names it too)
- Cloudflare: 1 request to cloudflareinsights.com; Cloudflare Browser Insights (its subprocessor list names it too)
- HubSpot: 1 request to hs-scripts.com; HubSpot (its subprocessor list names it too)

### First party (1)

- Chainloop: 27 requests to chainloop.dev; Astro 7.3.5, Cloudflare, HSTS, HTTP/3, Intercom, Lucide, Open Graph, PostHog

1 tracked company loaded by the homepage is not in Chainloop'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 Chainloop's subprocessors

Incidents reported in the last 30 days on their own status pages by 7 vendors Chainloop 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 Chainloop lists as a subprocessor, reported Unable to start new Workspace Agent runs (critical)
- 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated errors affecting logins, sign-ups, and ChatGPT features (minor)
- 2026-11-11: [Linear](https://thirdpartyindex.com/vendors/linear#status), which Chainloop lists as a subprocessor, reported Slack integration degraded due to Slack outage (minor)
- 2026-11-10: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors on Fable 52 and Mythos 52 (no impact stated)
- 2026-11-10: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Some Notion Agent sessions may hang or stop updating (major)
- 2026-11-10: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Chainloop lists as a subprocessor, reported Some HubSpot tools may be unavailable for some users (no impact stated)
- 2026-11-10: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop 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 Chainloop lists as a subprocessor, reported Elevated Errors On API (minor)
- 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated ChatGPT Conversation Errors (minor)
- 2026-11-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated errors with image generation (minor)
- 2026-11-08: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Degraded performance for Claude Fable 5.1 (minor)
- 2026-11-06: [Customer.io](https://thirdpartyindex.com/vendors/customer-io#status), which Chainloop lists as a subprocessor, reported Customers are Unable to add new Email Sending Domains (major)
- 2026-11-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated error rates with some U.S. business Mastercards (no impact stated)
- 2026-11-06: [Intercom](https://thirdpartyindex.com/vendors/intercom#status), which Chainloop lists as a subprocessor, reported Elevated errors and latencies in the European hosting region. (major)
- 2026-11-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported ChatGPT Work and Dots Errors (minor)
- 2026-11-04: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated error rates across paid ChatGPT plans (minor)
- 2026-11-03: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported File upload errors in ChatGPT (minor)
- 2026-11-02: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Chainloop lists as a subprocessor, reported HubSpot is experiencing issues (no impact stated)
- 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences (minor)
- 2026-10-30: [Intercom](https://thirdpartyindex.com/vendors/intercom#status), which Chainloop lists as a subprocessor, reported Slow Fin Procedures (minor)
- 2026-10-30: [Linear](https://thirdpartyindex.com/vendors/linear#status), which Chainloop lists as a subprocessor, reported Project pages failing to load (minor)
- 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated errors for GPT Image 2 API image edits (minor)
- 2026-10-28: [Linear](https://thirdpartyindex.com/vendors/linear#status), which Chainloop lists as a subprocessor, reported Some Slack integrations have been unexpectedly archived (no impact stated)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors affecting the Google Calendar connector (minor)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors affecting the Gmail connector (minor)
- 2026-10-27: [Customer.io](https://thirdpartyindex.com/vendors/customer-io#status), which Chainloop lists as a subprocessor, reported Customer.io UI is currently unavailable for some customers (minor)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported 6.1 Sol Degraded Model Performance (minor)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-27: [Linear](https://thirdpartyindex.com/vendors/linear#status), which Chainloop lists as a subprocessor, reported Problems loading application (major)
- 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop 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 Chainloop lists as a subprocessor, reported Elevated error rates for Ads POST requests (minor)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major)
- 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop 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 Chainloop lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated)
- 2026-10-23: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Chainloop lists as a subprocessor, reported Some HubSpot tools may be unavailable for some users (no impact stated)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Delays in customer support responses (no impact stated)
- 2026-10-23: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Users unable to access Notion (critical)
- 2026-10-23: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported PHP2Shell (CVE-2026-109618, CVE-2026-109619) (no impact stated)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor)
- 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Elevated errors affecting Connectors (minor)
- 2026-10-22: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Notion MCP query\_data\_source tool is temporarily unavailable in Claude clients (major)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor)
- 2026-10-22: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Chainloop lists as a subprocessor, reported Update on PHP security vulnerability (no impact stated)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Authentication errors for some users (major)
- 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Chainloop lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop 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 Chainloop 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 Chainloop lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor)
- 2026-10-20: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Security update: Preventative certificate security measures (no impact stated)
- 2026-10-20: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Unable to install connections created by other workspace members (major)
- 2026-10-19: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported File Download errors (minor)
- 2026-10-18: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Some Notion Agent requests may stop before completion (minor)
- 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Widespread feature degradation (major)
- 2026-10-14: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Cursor-powered Custom Agents unable to load Notion tools (no impact stated)
- 2026-10-14: [Intercom](https://thirdpartyindex.com/vendors/intercom#status), which Chainloop lists as a subprocessor, reported Customer contact details showing up as "Redacted" in the Intercom Inbox (minor)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop 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 Chainloop lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor)
- 2026-10-13: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Form submission issues (resolved) (no impact stated)
- 2026-10-13: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Chainloop lists as a subprocessor, reported Degraded performance in Notion and the Notion API (no impact stated)
- 2026-10-13: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Chainloop 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/chainloop

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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