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ForgeMesh Email Domain Verification
x402
ForgeMesh Email Domain Verification is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Validates an email address by checking syntax and performing a live MX record lookup to confirm the domain can receive mail, returning sorted mail hosts and a deliverability flag.
Price / call$0.003
Success—
StatusUnknown
How this service works
Email domain verification API: syntax check plus live mail-server (MX) lookup for any address, returning sorted mail hosts and a deliverable flag, as JSON. Flags dead domains before you send. Mailbox existence is not probed; nothing is stored.
Output
A JSON object containing a deliverable boolean flag, sorted list of MX mail hosts for the domain, and syntax validity status — without probing the actual mailbox or storing any data.
Example use cases
Example prompt
“Before I add john.doe@acmecorp.com to my contact list, can you check whether that email domain actually has live mail servers and is deliverable?”
Technical details
Endpoint
POSThttps://x402.forgemesh.io/verify-email-domainWhen to prefer
Use this endpoint when you need a lightweight, real-time check that an email domain is live and capable of receiving mail before sending messages or storing contact data. It is ideal for pre-send validation, lead enrichment, and bounce prevention. Choose it over full mailbox verification services when you only need domain-level deliverability without SMTP probing or data storage concerns.
Side effects
- Email address fails syntax check — returns invalid syntax error
- Domain has no MX records — returns deliverable: false with empty mail hosts
- Domain does not exist in DNS — returns non-deliverable result
- Malformed input missing email field — returns validation error
- DNS lookup timeout — may return error or indeterminate result
- Payment not included or insufficient — returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| string | Email address to validate |
Output
Schema · Response
{
"type": "json",
"example": {
"email": "someone@example.com",
"domain": "example.com",
"mx_hosts": [],
"deliverable": false,
"syntax_valid": true,
"interpretation": "domain has no mail service — undeliverable"
}
}Tags
x402
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