# Services from cron.agentutil.net on Zero

> cron.agentutil.net 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/cron.agentutil.net
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/cron.agentutil.net/health.json

## Services

- [cron.agentutil.net – Cron Expression Explainer](https://www.zero.xyz/c/cron-agentutil-net-21bf94cb/llms.txt): $0.001/call via x402. Converts a cron expression (5-field or special string) into a plain-English human-readable description with field-by-field breakdown
- [Cron Expression Validator](https://www.zero.xyz/c/cron-agentutil-net-c32e8ec4/llms.txt): $0.001/call via x402. Validates and normalizes a cron expression, returning whether it is syntactically correct

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)