Domain WHOIS (RDAP)

Domain registration data via RDAP (the structured WHOIS successor): registrar, creation/expiry dates, status, nameservers.

Input

Field	Type	Description
domain *	string	Domain name (registrable, e.g. example.com)

Example output

{
  "domain": "example.com",
  "registrar": "IANA",
  "created": "1995-08-14",
  "expires": "2026-08-13",
  "nameservers": [
    "a.iana-servers.net"
  ],
  "status": [
    "client transfer prohibited"
  ]
}

Try it — see the 402 challenge (free)

curl -i -X POST https://agent402.tools/api/whois \
  -H "Content-Type: application/json" \
  -d '{"domain":"example.com"}'

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/whois", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "domain": "example.com"
  }),
});

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