# Services from api.runonproof.com on Zero

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

## Services

- [RunOnProof Release Payment to Supplier](https://www.zero.xyz/c/runonproof-release-payment-to-supplier-93cb42a0/llms.txt): $0.79/call via x402. Decides whether to ALLOW, HOLD, or BLOCK a US supplier payment before funds move, returning a signed proof capsule with reasons and remediation steps.
- [RunOnProof UK Company Check](https://www.zero.xyz/c/runonproof-uk-company-check-202d62ff/llms.txt): $0.04/call via x402. Verifies a UK company's legal status and insolvency observations by resolving its Companies House identity in a single paid API call.

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)