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Email Deliverability

by AgentUtility.ai in Email & messaging

x402 APIFailing, checked 26 min ago

Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, and SPF/DMARC/DKIM authentication records without contacting the recipient mailbox. Use it as an email deliverability API, deliverability score, or inbox readiness domain check.

POST https://x402.agentutility.ai/email-deliverability

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
50.0%
Response time
174 ms typical, 174 ms slowest 5%
Last check
26 min ago: Timed out
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://x402.agentutility.ai/email-deliverability" \
  -H "content-type: application/json" \
  -d '{"email":"[email protected]"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.agentutility.ai%2Femail-deliverability
const res = await pay("https://x402.agentutility.ai/email-deliverability", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"email":"[email protected]"}),
});
console.log(await res.json());

Example input

{
  "email": "[email protected]"
}

Example output

{
  "can_receive_mail": true,
  "deliverability_score": 92,
  "domain": "example.com",
  "email": "[email protected]",
  "is_disposable": false,
  "is_role_account": true,
  "mx_records": [
    "10 mail.example.com."
  ],
  "risk": "low",
  "verification_level": "domain_dns_no_mailbox_probe"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
26 min agoTimed out---
6 h agoPassed402174 ms$0.005