You can access the WHOIS / RDAP Domain Lookup programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "domains": [
12        "example.com",
13        "iana.org",
14        "apify.com"
15    ]
16};
17
18// Run the Actor and wait for it to finish
19const run = await client.actor("fetch_cat/whois-rdap-domain-lookup").call(input);
20
21// Fetch and print Actor results from the run's dataset (if any)
22console.log('Results from dataset');
23console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
24const { items } = await client.dataset(run.defaultDatasetId).listItems();
25items.forEach((item) => {
26    console.dir(item);
27});
28
29// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

WHOIS / RDAP Domain Lookup API for Bulk Domains API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use WHOIS / RDAP Domain Lookup API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

WHOIS / RDAP Domain Lookup API in Python

WHOIS / RDAP Domain Lookup API through CLI

WHOIS / RDAP Domain Lookup OpenAPI definition

WHOIS / RDAP Domain Lookup API

🌐 Domain Intelligence Scraper - WHOIS & Domain Age

benthepythondev/domain-intelligence-scraper

Extract domain registration data including age, expiry dates, registrar, nameservers, and DNSSEC status using free RDAP/WHOIS APIs. Perfect for SEO, lead generation, and security research

ben

RDAP Domain Intelligence - Bulk Lookups + Expiry Monitor

gratifying_graph/rdap-domain-intel

Bulk domain lookups over RDAP (the modern WHOIS replacement): status, registrar, registration/expiry dates, nameservers, DNSSEC. Optional expiry monitoring flags domains nearing renewal or changed since last run. No personal contact data - registry records only.

Jimmy A

WHOIS Domain Lookup: Operational Domain Intelligence

ryanclinton/whois-domain-lookup

Look up WHOIS and RDAP registration data for any domain in bulk. Get registrar details, creation and expiry dates, nameservers, domain age, registrant info, DNSSEC status, and EPP status codes -- all without needing any API key.

Ryan Clinton

Whois RDAP Lookup & Domain Ownership Checker API

dev00/whois-rdap-lookup-domain-ownership-checker-api

Query domain registration details (WHOIS) via standard RDAP with automatic fallback and clean JSON responses.

dev00

Bulk WHOIS Lookup: Domain Age, Expiry, Registrar

thoob/rdap-domain-lookup

Looks up domain registration data through official IANA RDAP servers (the structured-JSON successor to WHOIS): registrar, key dates, status codes, nameservers, DNSSEC, and abuse contact. Clean fields, no mangled WHOIS text. Billed only per resolved domain.

Pono Data

RDAP Domain Lookup Scraper (WHOIS Replacement)

parseforge/rdap-domain-lookup-scraper

Modern WHOIS via the RDAP protocol. Bulk lookup of domains across any TLD — uses IANA's RDAP bootstrap to route each domain to the correct registry server. Returns registrar, registration / expiration / last-changed dates, nameservers, registrant entities, DNSSEC, and status flags.

ParseForge

Bulk WHOIS Lookup - Domain Registration & Expiry

logiover/bulk-whois-rdap-lookup

Bulk WHOIS / RDAP lookup for thousands of domains: registrar, creation and expiry dates, status, nameservers and registrant org. Great for domain monitoring, expiry alerts, lead generation and due diligence. No API key, CSV/JSON export.

Logiover

Domain WHOIS Lookup — Registration, DNS Records & Expiry Data

maged120/domain-lookup

Perform WHOIS lookups on any domain. Returns registrar name, registration and expiry dates, nameservers, and available contact information in structured JSON.

Maged

DNS & WHOIS Suite — Bulk Records + RDAP Lookup

accurate_pouch/dns-whois-suite

Full DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) + RDAP WHOIS (registration, expiry, registrar, nameservers, domain age). Domain availability check. 10 domains free.

Manchitt Sanan

WHOIS Scraper & Domain Age Checker - Bulk Lookup API

pink_comic/whois-domain-lookup

Bulk WHOIS scraper and domain age checker for registration, expiry, registrar, nameserver, and raw WHOIS data. Built for merchant-risk checks, vendor due diligence, brand protection, cybersecurity, and domain monitoring.