U

Up · Domain Check

by Up

POSTBase

$0.001

per call · USD Coin on Base

Check whether a domain has valid MX records and is not on the disposable list; also reports free-provider.

Endpoint

POST https://email-verify-api-production-d262.up.railway.app/domain-check

3

Calls / 30d

3

Unique payers / 30d

Sep 8

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://email-verify-api-production-d262.up.railway.app/domain-check", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "domain": "acme.com"
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://email-verify-api-production-d262.up.railway.app/domain-check" \
  -H "Content-Type: application/json" \
  -d '{"domain":"acme.com"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "disposable": false,
  "domain": "acme.com",
  "free_provider": null,
  "mx_records": [
    "aspmx.l.google.com",
    "alt1.aspmx.l.google.com"
  ],
  "valid": true
}

Payment details

Pay to0xffc458db291b4abce020fe3de4f91f2770e537b1
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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