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B2A Email Deliverability, MX, SPF & DMARC Verifier
B2A Email Deliverability, MX, SPF & DMARC Verifier is a paid API for AI agents from mesh.agentdiet.dev, paid per call via MPP, $0.005/call, status unknown (last checked 2026-10-21).
Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX/SPF/DMARC record checks.
Price / call$0.005
Success—
StatusUnknown
How this service works
Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://mesh.agentdiet.dev/v1/email-verify)
Output
Returns a structured object indicating whether the email address passes syntax validation, whether the domain is a known disposable/burner provider, whether it is a role-based account (e.g. info@, admin@), and the live DNS results for MX records (mail server presence), SPF policy, and DMARC policy — giving a full deliverability and legitimacy profile.
Example use cases
Sign-up form email gating
“Before we let this user register, can you verify that alice@tempmail.com is not a disposable or burner email and that its domain actually has working MX records?”
B2B lead list hygiene
“I have a sales lead with contact email sales@acmecorp.io — can you check if it's a real deliverable address, whether it's a role account, and whether the domain has SPF and DMARC set up?”
Cold outreach pre-flight check
“Before I send my cold email campaign, can you validate that mike.jones@bigclient.com has valid MX records and a proper DMARC policy so my messages won't bounce or get flagged?”
Technical details
Endpoint
GEThttps://mesh.agentdiet.dev/v1/email-verify?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a combined, real-time check of both email syntax and live DNS deliverability signals (MX, SPF, DMARC) along with disposable/burner and role-account detection in a single call — especially useful for agent workflows doing lead validation, registration gating, or cold outreach hygiene where a single definitive verdict per address is needed without assembling multiple DNS tools.
Side effects
- Invalid or missing email parameter returns a 400 error
- Non-existent domain may return MX lookup failure with no records found
- DNS timeout for live record checks may cause delayed or partial results
- Payment not processed (x402) returns a 402 Payment Required response
- Disposable provider list may lag behind newly created throwaway domains
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| emailrequired | string | Email address to validate for syntax, MX deliverability, and disposable risk |
Output
Schema · Response
{
"type": "object"
}Reviews
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