# Services from publish.new on Zero

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

## Services

- [Publish Zero Gas Agent Commerce Field Guide](https://www.zero.xyz/c/publish-zero-gas-agent-commerce-field-guide-b971818b/llms.txt): $5/call via x402. Retrieves the content of the 'Zero Gas Agent Commerce Field Guide' artifact from Publish, a platform for selling digital work instantly via crypto payments.
- [Publish.new ZGAS-002 Base USDC Receipt Checklist](https://www.zero.xyz/c/publish-new-zgas-002-base-usdc-receipt-checklist-53b0892a/llms.txt): $3/call via x402. Returns the content of a specific artifact — a checklist for verifying Base chain USDC receipts — gated behind a $3 USDC micropayment.

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)