# Services from api.anchorregistry.ai on Zero

> api.anchorregistry.ai 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/api.anchorregistry.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.anchorregistry.ai/health.json

## Services

- [AnchorRegistry Account Registration](https://www.zero.xyz/c/anchorregistry-account-registration-d1780585/llms.txt): $50/call via x402. Creates a prepaid AnchorRegistry account with a chosen capacity tier (starter or builder), returning an on-chain anchor key and verification URL for subsequent artifact registrations.
- [AnchorRegistry Account Top-Up](https://www.zero.xyz/c/anchorregistry-account-top-up-b44e3878/llms.txt): $50/call via x402. Adds USDC-prepaid capacity to an AnchorRegistry account, enabling additional on-chain artifact registrations

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)