# Services from call4.me on Zero

> call4.me 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/call4.me
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/call4.me/health.json

## Services

- [call4me – AI Phone Call Agent](https://www.zero.xyz/c/call4me-ai-phone-call-agent-ad382888/llms.txt): $2.5/call via x402. Places an AI-powered phone call to a business on the user's behalf to book appointments, wait on hold, or accomplish a stated goal, then patches the user in.
- [call4me – AI Phone Call Agent](https://www.zero.xyz/c/call4me-ai-phone-call-agent-45c230bb/llms.txt): $10/call via x402. Credits a call4me account with $10 USDC so the AI can phone a business, wait on hold, book appointments, and patch the user in

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)