Coinslot
Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST { email } or { emails: [...] } (max 20).
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 860 ms
- Price
- $0.003 per call
- Paying buyers, last 30 days
- 6 (directory's own records)
- Paid calls, last 30 days
- 7
- Category
- DNS and domains
- Address
- https://coinslot.dev/api/email-verify
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/917719848b3e.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).