Whois Bulk

{
  "queried_at": "2026-10-13T12:00:00Z",
  "query": "example.com,iana.org",
  "results": [
    {
      "created": "1995-08-14T04:00:00Z",
      "domain": "example.com",
      "domain_age_days": 11383,
      "expiration": "2027-08-13T04:00:00Z",
      "nameservers": [
        "a.iana-servers.net",
        "b.iana-servers.net"
      ],
      "registrar": "RESERVED-Internet Assigned Numbers Authority",
      "status": [
        "client delete prohibited"
      ],
      "updated": "2023-08-14T07:01:44Z"
    },
    {
      "created": "1995-06-05T04:00:00Z",
      "domain": "iana.org",
      "domain_age_days": 11453,
      "expiration": "2027-06-04T04:00:00Z",
      "nameservers": [
        "a.iana-servers.net",
        "b.iana-servers.net"
      ],
      "registrar": "CSC Corporate Domains, Inc.",
      "status": [
        "client transfer prohibited"
      ],
      "updated": "2024-05-09T17:52:05Z"
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://dns.use.x402atlas.com/whois-bulk?domains=example.com%2Ciana.org'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://dns.use.x402atlas.com/whois-bulk?domains=example.com%2Ciana.org' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

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

// Pays at most $0.035 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.035" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.035 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdns.use.x402atlas.com%2Fwhois-bulk
const res = await pay("https://dns.use.x402atlas.com/whois-bulk?domains=example.com%2Ciana.org");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.035 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.035"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://dns.use.x402atlas.com/whois-bulk?domains=example.com%2Ciana.org")
    print(res.status_code, res.text)