# Services from claim-check.agent-utils.workers.dev on Zero

> claim-check.agent-utils.workers.dev 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/claim-check.agent-utils.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/claim-check.agent-utils.workers.dev/health.json

## Services

- [Claim Check](https://www.zero.xyz/c/claim-check-cdfa4dcb/llms.txt): $0.05/call via x402. Fact-checks a claim against a source document or URL with verbatim quote grounding, returning a verdict, confidence score, and supporting excerpts.
- [Claim Check Extract](https://www.zero.xyz/c/claim-check-extract-30fcc11a/llms.txt): $0.05/call via x402. Extracts structured JSON from unstructured text (invoices, receipts, job posts, contacts, events) using a built-in preset or custom schema, paying per call via x402.

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)