ToolVet
81trust / 100

Validate Email

by eu-verify in Email & messaging

x402 APIPassing, checked 3 h ago

One-call email verification for lead qualification and list hygiene: RFC 5322 syntax check, then a live MX lookup over DNS-over-HTTPS (Cloudflare, Google fallback). Detects non-existent domains (NXDOMAIN), null-MX domains that refuse mail (RFC 7505), and returns prioritized MX hosts. Query: [email protected]. Verdict: deliverable | risky | undeliverable. 1h cache per address.

GET https://data.greeneris.io/v1/validate/email

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
182 ms typical, 182 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://data.greeneris.io/v1/validate/email?email=contact%40anthropic.com"
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%2Fdata.greeneris.io%2Fv1%2Fvalidate%2Femail
const res = await pay("https://data.greeneris.io/v1/validate/email?email=contact%40anthropic.com");
console.log(await res.json());

Example input

{
  "email": "[email protected]"
}

Example output

{
  "domain": "anthropic.com",
  "domain_exists": true,
  "email": "[email protected]",
  "has_mx": true,
  "is_null_mx": false,
  "mx_hosts": [
    {
      "host": "aspmx.l.google.com",
      "priority": 1
    }
  ],
  "source": "live MX lookup via Cloudflare 1.1.1.1 DoH (Google DNS fallback)",
  "syntax_valid": true,
  "verdict": "deliverable"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402182 ms$0.005