Last updated: 25th May, 2026
Hessian Inc. ("Hessian") engages the following subprocessors to help us provide the Hessian Service. We update this list when we add, replace, or remove a subprocessor.
For the terms that govern our use of subprocessors, see our Data Processing Addendum.
| Subprocessor | Purpose | Location |
|---|---|---|
| Amazon Web Services, Inc. | Cloud infrastructure (compute, storage, networking, managed databases) for the Hessian Service. | United States |
| Cloudflare, Inc. | Edge network, DDoS protection, and TLS termination. | Global edge network |
| GitHub, Inc. | OAuth authentication for sign-in. | United States |
| PostHog, Inc. | Product analytics for our website and dashboard. | United States |
| Apollo.io, Inc. | B2B visitor identification (organization lookup from IP address). | United States |
| OpenAI OpCo, LLC | AI model inference (GPT models) used to generate AI Output as part of Customer Workflows. | United States |
| Anthropic, PBC | AI model inference (Claude models) used to generate AI Output as part of Customer Workflows. | United States |
| Google LLC | AI model inference (Gemini models, via the Google Cloud / Vertex AI platform) used to generate AI Output as part of Customer Workflows. | United States |
Other third-party services that the Customer chooses to integrate directly with the Hessian Service (for example, the Customer's own SaaS tools that a Workflow calls out to) are not subprocessors of Hessian. The Customer is responsible for entering into any necessary data processing arrangements with those third parties.