Trust & security
Built to measure waste — not to become it.
Your keys. Your harness. Your data. ReasonRank runs the cost–quality decision with guardrails so evaluation spend never becomes the waste.
Last updated: July 2, 2026
Download security packet
Everything your security team needs for an initial review — no sales call required. Documents are updated when our posture changes; the subprocessor register is always live at /subprocessors.
Security overview
Architecture, encryption, tenant isolation, audit logging, and compliance posture.
markdown
Subprocessor register
Machine-readable list of third parties that may process customer data.
json
CAIQ-lite questionnaire
Pre-filled answers to common security-assessment questions.
markdown
DPA template
Standard data-processing agreement for enterprise customers.
markdown
Your data is never used to train, never cross-tenant
Metadata-only by default
Bring your own keys, with guardrails
Bring your own harness
Recommendations you can trust
Workspace isolation & access
Availability & recovery
Compliance roadmap
Your rights
Subprocessors
Third parties that may process customer data on our behalf.
| Subprocessor | Purpose | Data categories | Location | DPA |
|---|---|---|---|---|
| Vercel Inc. | Application hosting, edge network, and serverless compute for the web app and API. |
| United States | In place |
| Neon Inc. | Managed PostgreSQL database (primary data store) with point-in-time recovery. |
| United States | In place |
| Stripe, Inc. | Subscription billing and payment processing. |
| United States | In place |
| Resend, Inc. | Transactional email (invitations, alerts, verification). |
| United States | In place |
| Functional Software, Inc. (Sentry) | Error monitoring and performance tracing for production reliability. |
| United States | In place |
| Upstash, Inc. | Managed Redis for background job queues (optional — used when REDIS_URL is configured). |
| United States | In place |