# Services from api.amerosagent.com on Zero

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

## Services

- [Contact Preflight](https://www.zero.xyz/c/contact-preflight-c4b0020b/llms.txt): $0.003/call via x402. Checks domain-level email deliverability signals (MX provider, SPF, DMARC) and returns structured risk scores without verifying mailbox existence.
- [Contact Preflight Batch](https://www.zero.xyz/c/contact-preflight-batch-316025c3/llms.txt): $0.06/call via x402. Batch up to 20 email addresses through basic email and domain hygiene checks in a single x402 payment settlement.

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)