Signed cryptographic certificates for AI decisions. Free tier. No credit card.
A nine-module AI authorization certification platform — Module 1 (Answer/Reasoning) available now.
YIN-AI CERTIFICATION certifies one thing: whether an AI decision was made under verified human authority.
Framework: Authority Confidence Rating standard, Zenodo DOI 10.5281/zenodo.19363193 (companion base standard: DOI 10.5281/zenodo.19361421).
POST /v1/certify.yin-cert-verify — no dependency on us being reachable.| Tier | Quota | Onboarding |
|---|---|---|
| Free | 100 signed certificates per calendar month, full framework | Self-serve, email verification, no credit card |
| Developer | Metered above the free quota, billed via Stripe | Self-serve upgrade |
| Enterprise | Dedicated deployment, SLA, hardened key ceremony | Contact us |
Certificates are cryptographically identical across every tier. The certificate is the certificate, regardless of who paid what.
yin-cert-verify offline verifier (GitHub Releases)