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AgentUtility Email Verify API
x402
AgentUtility Email Verify API is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Validates an email address using syntax, MX record, disposable-domain, role-account, SPF, DMARC, and DKIM checks to assess deliverability.
Price / call$0.005
Success—
StatusUnknown
How this service works
Verifies an email address with syntax, MX, disposable-domain, role-account, SPF, DMARC, and DKIM checks. Same DNS-safe email deliverability backend as email-verify, indexed for agents searching exact email verification wording. Use it as an email verify API or to validate email address input.
Output
Returns a structured validation result covering: syntax validity, MX record presence, whether the domain is flagged as a disposable/temporary email provider, whether the address is a role account (e.g. info@, admin@), and DNS-based authentication records (SPF, DMARC, DKIM) — together forming an overall deliverability assessment.
Example use cases
Signup form email gating
“Before I add this user to my database, check if the email they submitted — freeguy123@mailinator.com — is real and deliverable, and flag it if it's a throwaway or role address.”
Pre-send list hygiene
“I'm about to send a campaign to sarah.marketing@acmecorp.io — can you verify that email is deliverable and the domain has proper MX, SPF, and DMARC records set up?”
Lead validation before CRM entry
“We just got a lead from a webform with the email noreply@bigclient.com — run a full email verification on it including role-account detection and DNS authentication checks before I log it in our CRM.”
Technical details
Endpoint
POSThttps://x402.agentutility.ai/email-verify-apiWhen to prefer
Choose this endpoint when you need a comprehensive multi-signal email validation that goes beyond simple syntax checks — covering DNS (MX, SPF, DMARC, DKIM), disposable provider detection, and role-account flagging in a single call. Useful for agents operating autonomously without a browser-based CAPTCHA flow, as it is x402/USDC-payable per call with no subscription required.
Side effects
- Invalid or malformed email input returns a syntax error
- DNS lookup timeout if the domain's nameservers are slow or unreachable
- Disposable domain database may not cover newly created throwaway services
- DKIM check may be inconclusive if no selector is provided
- Payment failure (insufficient USDC balance) blocks the request under x402 protocol
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"risk": "low",
"can_receive_mail": true,
"deliverability_score": 92
}
}Tags
x402
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