# Services from korp-txcert.mute-cell-557f.workers.dev on Zero

> korp-txcert.mute-cell-557f.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/korp-txcert.mute-cell-557f.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/korp-txcert.mute-cell-557f.workers.dev/health.json

## Services

- [Korp TxCert](https://www.zero.xyz/c/korp-txcert-41887c5d/llms.txt): $0.01/call via x402. Validates an unsigned EVM transaction against a caller-defined policy and issues a short-lived certificate only if all policy checks pass.
- [Korp TxCert Transaction Policy Checker](https://www.zero.xyz/c/korp-txcert-transaction-policy-checker-a585ca8a/llms.txt): $0.01/call via x402. Validates an unsigned EVM transaction against a caller-defined policy (spending limits, recipient allowlists, ERC20 approval rules) and issues a short-lived certificate only on PASS

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)