ToolVet
82trust / 100

Email Verify

by Agent Utility Suite in Email & messaging

x402 APIPassing, checked 2 h ago

Is this email address real and safe to send to? Checks syntax, MX records (and null MX), disposable providers, free webmail, role accounts (info@, support@), likely typos of big providers with a suggestion (gmial.com to gmail.com), SPF and DMARC. Returns deliverable / risky / undeliverable, a 0-100 score and reasons. No mail is sent. $0.002 USDC per call.

POST https://x402-agent-api.onrender.com/api/v1/email-verify

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
243 ms typical, 243 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://x402-agent-api.onrender.com/api/v1/email-verify" \
  -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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-agent-api.onrender.com%2Fapi%2Fv1%2Femail-verify
const res = await pay("https://x402-agent-api.onrender.com/api/v1/email-verify", {
  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

{
  "checks": {
    "accepts_mail": false,
    "disposable": false,
    "dmarc": true,
    "domain_has_mx": false,
    "free_provider": false,
    "null_mx": true,
    "role_account": false,
    "spf": true,
    "syntax_valid": true
  },
  "domain": "example.com",
  "email": "[email protected]",
  "email_provider": null,
  "local_part": "jane.doe",
  "mailbox_checked": false,
  "mx_hosts": [],
  "next_calls": [],
  "reasons": [
    {
      "code": "null_mx",
      "message": "The domain publishes a null MX: it accepts no email."
    }
  ],
  "score": 0,
  "suggestion": null,
  "verdict": "undeliverable"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402243 ms$0.002