# Services from email.payapi.market on Zero

> email.payapi.market serves 4 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/email.payapi.market
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/email.payapi.market/health.json

## Services

- [Email Verify API](https://www.zero.xyz/c/email-verify-api-aac2b1d8/llms.txt): $0.001/call via x402. Validates an email address by checking syntax, MX records, SMTP, disposability, and catch-all status, returning a scored verdict
- [Email Verify API (Bulk)](https://www.zero.xyz/c/email-verify-api-bulk-51fbd0b2/llms.txt): $0.001/call via x402. Verifies up to 100 email addresses per request, returning validity scores, SMTP checks, disposable/catch-all flags, and MX records, paid per-call via x402 micropayments.
- [Email Domain Verification API](https://www.zero.xyz/c/email-domain-verification-api-da0ead87/llms.txt): $0.001/call via x402. Checks whether an email domain has valid MX records, is a disposable/temporary address provider, or is a free email provider, returning deliverability signals.
- [Email Verify API – MX Record Lookup](https://www.zero.xyz/c/email-verify-api-mx-record-lookup-cd2b493d/llms.txt): $0.001/call via x402. Fetches raw MX (Mail Exchange) DNS records for a given domain, enabling email deliverability validation and mail server discovery.

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)