# One Horizon

One Horizon (onehorizon.ai): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/one-horizon
- Documents last verified: 2026-10-02
- Transparency rating: 64/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; 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 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 10 tracked vendors directly, 106 within two hops, 346 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: One Horizon, Third Party Index, https://thirdpartyindex.com/vendors/one-horizon (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://onehorizon.ai/docs/legal/privacy-policy#subprocessors | 2026-10-02 | 2026-09-30 |
| Privacy policy | https://onehorizon.ai/docs/legal/privacy-policy | 2026-10-02 | 2026-09-30 |
| Terms | https://onehorizon.ai/docs/legal/terms-of-use | 2026-10-02 | 2026-09-30 |
| Security page | https://onehorizon.ai/security | 2026-10-02 | 2026-09-30 |

## Subprocessors (11)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Cloudflare](https://thirdpartyindex.com/vendors/cloudflare.md) | Proxy and edge network | Global edge network | 2026-09-30 |
| [Customer.io](https://thirdpartyindex.com/vendors/customer-io.md) | Product messaging and email campaigns | EU | 2026-09-30 |
| [Fly.io](https://thirdpartyindex.com/vendors/fly-io.md) | Hosting and Redis caching | EU (Amsterdam) | 2026-09-30 |
| [Google](https://thirdpartyindex.com/vendors/google-cloud.md) | AI models and Google sign-in | EU (Netherlands) | 2026-09-30 |
| [Google Analytics](https://thirdpartyindex.com/vendors/google-cloud.md) | Website and docs analytics | United States | 2026-09-30 |
| [HubSpot](https://thirdpartyindex.com/vendors/hubspot.md) | Marketing and CRM | EU | 2026-09-30 |
| [People Data Labs](https://thirdpartyindex.com/vendors/people-data-labs.md) | Profile enrichment for sales and marketing | United States | 2026-09-30 |
| [Perplexity.ai](https://thirdpartyindex.com/vendors/perplexity-ai.md) (AI model provider: Perplexity AI) | Company information for sales and marketing | United States | 2026-09-30 |
| [Postmark](https://thirdpartyindex.com/vendors/postmark.md) | Sending transactional email | United States | 2026-09-30 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | Payment processing | EU and United States | 2026-09-30 |
| [Supabase](https://thirdpartyindex.com/vendors/supabase.md) | Database hosting and logins | EU (AWS eu-central-1) | 2026-09-30 |

Read from ([evidence](https://thirdpartyindex.com/evidence/24994)). CSV: https://thirdpartyindex.com/vendors/one-horizon/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

## Subprocessor of (0)

No tracked vendor lists it.

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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