mailcheck.hugen.tokyo publishes 3 machine-payable endpoints over the x402 protocol, priced from $0.01 to $0.01 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /mailcheck/disposable | GET | $0.01 | 402 |
| /mailcheck/mx | GET | $0.01 | 402 |
| /mailcheck/validate | POST | $0.01 | 402 |
Instant disposable email detection — checks against 5,000+ known temporary email domains (Guerrilla Mail, Mailinator, Temp Mail, 10MinuteMail, and more). Returns boolean result. Maintaining this block…
MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLD…
6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), an…