# Services from api.ysaere.com on Zero

> api.ysaere.com serves 3 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/api.ysaere.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.ysaere.com/health.json

## Services

- [Ysaere KYB Verify](https://www.zero.xyz/c/ysaere-kyb-verify-4a5b2023/llms.txt): $0.5/call via x402. Screens a business entity against GLEIF, EDGAR, OFAC, and SAM registries and returns a consolidated risk rating
- [Ysaere Notary — Hash Receipt](https://www.zero.xyz/c/ysaere-notary-hash-receipt-65d9603b/llms.txt): $0.02/call via x402. Notarizes a document or data payload by creating a cryptographically signed hash receipt for ~$0.02 USDC, returning a signature and a public verification URL.
- [Ysaere Entity Classify](https://www.zero.xyz/c/ysaere-entity-classify-bd14ccce/llms.txt): $0.2/call via x402. Classifies a named entity (company, person, protocol, etc.) into typed labels with confidence scores

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)