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email-domain-verify
x402
email-domain-verify is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Validates an email address or domain with syntax checks, DNS lookups, mail provider detection, disposable/role/free-webmail flags, SPF/DMARC presence, and a deliverability verdict
Price / call$0.01
Success—
StatusUnknown
How this service works
Email address and email domain verification: syntax check, DNS MX and A records, mail provider detection (Google Workspace, Microsoft 365, ...), disposable/temporary email domain detection, role address detection (info@, admin@, support@), free webmail provider flag, plus-tag detection, SPF and DMARC presence, and a deliverable verdict (likely / risky / no) with the reason. Email validation and list cleaning for signups, CRM and lead qualification. $0.01 per address.
Output
Returns a structured JSON object containing: syntax validity, DNS MX and A record lookup results, detected mail provider (e.g. Google Workspace, Microsoft 365), disposable/temporary domain flag, role address flag (info@, admin@, support@), free webmail flag, plus-tag detection, SPF presence, DMARC presence, and an overall deliverability verdict (likely / risky / no) with an explanatory reason code.
Example use cases
Signup form email validation
“Before creating the account, check if the email address sarah.johnson@tempmail.io is actually deliverable or just a throwaway — I need a verdict and the reason so I can decide whether to block the signup.”
CRM lead list cleaning
“I have a lead in my CRM with the email contact@acmecorp.io — can you verify it's not a disposable or role address, confirm the domain has MX records, and tell me which mail provider they use?”
B2B email campaign pre-send audit
“Before I send my cold outreach campaign, validate noreply@bigclient.com and tell me if it's a role address, whether the domain passes SPF and DMARC checks, and what deliverability verdict you get.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/email-verifyWhen to prefer
Choose this endpoint when you need a comprehensive, all-in-one email validation signal beyond simple syntax checking — especially when you need deliverability verdicts, mail provider identification, disposable email detection, role-address filtering, and SPF/DMARC checks in a single call. Prefer it over dedicated disposable-email-only checkers (like the sibling disposable-email-check endpoint) when you want the full picture for CRM enrichment, lead qualification, or signup gating at $0.01 per address.
Side effects
- Invalid or malformed email address input returns a syntax error verdict
- Domain with no DNS records returns an unresolvable error and 'no' verdict
- Rate limiting or network timeout may cause delayed or failed DNS lookups
- Newly registered domains may not yet have MX records even if legitimate
- Edge-case disposable providers not yet in the blocklist may pass as clean
- Plus-tagging detection may produce false positives for non-Gmail providers
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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