# Services from witnessd.vip on Zero

> witnessd.vip 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/witnessd.vip
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/witnessd.vip/health.json

## Services

- [witnessd.vip Witness Endpoint](https://www.zero.xyz/c/witnessd-vip-witness-endpoint-b9437ac8/llms.txt): $0.02/call via x402. Independently fetches, hashes, timestamps, and Merkle-anchors any URL or API response on Base as a neutral third-party witness record
- [witnessd Credits Purchase](https://www.zero.xyz/c/witnessd-credits-purchase-67071fcc/llms.txt): $1/call via x402. Purchase API credits for the witnessd neutral-witness service by paying $1 USDC, receiving an API key and credit balance in return.
- [witnessd Retrieve Witnessed Record](https://www.zero.xyz/c/witnessd-retrieve-witnessed-record-6cf10aaa/llms.txt): $0.05/call via x402. Retrieves a previously archived, hashed, and Merkle-anchored witness record for a URL or API response by its unique ID.

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)