# Services from notary.genexxis.com on Zero

> notary.genexxis.com serves 2 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/notary.genexxis.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/notary.genexxis.com/health.json

## Services

- [Genexxis Notary Stamp](https://www.zero.xyz/c/genexxis-notary-stamp-02b9ad4b/llms.txt): $0.005/call via x402. Timestamps a SHA-256 hash and returns a cryptographically signed receipt proving the hash existed at a specific moment in time.
- [Genexxis Notary Time](https://www.zero.xyz/c/genexxis-notary-time-b59004f6/llms.txt): $0.003/call via x402. Returns the current UTC time (ISO 8601 and Unix milliseconds) cryptographically signed by the Genexxis notary key, along with the message and signature for independent verification.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)