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AgentDiet MX Deliverability Verifier
x402
AgentDiet MX Deliverability Verifier is a paid API for AI agents from rag-diet.agentdiet.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-22).
Verifies email deliverability by checking MX records and related signals for a given email address
Price / call$0.005
Success—
StatusUnknown
How this service works
Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://rag-diet.agentdiet.dev settling in USDC on Base.
Output
Returns a JSON object with a status field indicating success, a data object containing MX deliverability details for the queried email address, and a roi_proof object showing compression ratio metrics. The data field contains the deliverability assessment result.
Example use cases
Pre-send email list scrubbing
“Before I send this outreach campaign, check if contact@bigcorp.com is deliverable and has valid MX records so I don't rack up bounces.”
CRM lead email verification
“I just got a new lead with email address info@startup.io — can you verify it's deliverable and the domain has a working mail server?”
Transactional email pre-flight check
“We're about to send a password reset to user@somedomain.net — quickly verify the MX records are valid so we know the email won't bounce.”
Technical details
Endpoint
GEThttps://rag-diet.agentdiet.dev/v1/mx-deliverability-verifier?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call MX-level deliverability check via x402 micropayment (0.005 USDC per call) without committing to a bulk email validation subscription. Ideal for agent-driven workflows that need on-demand email validation integrated into A2A or MCP pipelines settling on Base.
Side effects
- Missing or invalid email query parameter returns an error or empty result
- Domain has no MX records — returns non-deliverable status
- Network timeout when querying DNS records for obscure domains
- Malformed email address input causes validation rejection
- Payment not settled in USDC on Base results in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {},
"status": "ok",
"roi_proof": {
"compression_ratio_pct": 91.4
}
}
}Tags
x402
Reviews
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