AgentUtility.ai
Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, and SPF/DMARC/DKIM authentication records without contacting the recipient mailbox. Use it as an email deliverability API, deliver
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 3716 ms
- Price
- $0.005 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 102
- Category
- DNS and domains
- Address
- https://x402.agentutility.ai/email-deliverability
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/5dec12fd0e2c.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).