🌐 Domain Intelligence

WHOIS Lookups.
Any Domain, Instantly.

Retrieve parsed WHOIS data for any domain — registrar, registration and expiry dates, nameservers, and availability. Covers 1000+ TLDs.

Get Your API Key → ← Browse All APIs

Request

GET /lookup?domain=example.com
X-API-Key: csk_your_key

Response

{
  "domain": "example.com",
  "available": false,
  "registrar": "GoDaddy",
  "registered": "1995-08-13",
  "expires": "2025-08-12",
  "nameservers": ["ns1.example.com"]
}

Features

Everything You Need

Production-ready with comprehensive coverage and fast response times.

📋

Parsed Output

Structured JSON — not raw WHOIS text. Ready to use in your app.

🏢

Registrar Info

Returns registrar name, IANA ID, and contact URLs.

📅

Dates

Registration date, last updated, and expiry date — all in ISO 8601.

🔍

Availability

Quick domain availability check without full WHOIS overhead.

🌐

1000+ TLDs

Covers .com, .net, .org, ccTLDs, and new gTLDs.

⚡

Fast Caching

Recent results cached to avoid WHOIS rate limiting.

✦ Free plan: 1,000 requests/month · No credit card required

Start Building Today

One API key unlocks WHOIS API plus 20+ other production-ready APIs. Free plan available instantly.

View Pricing & Get Key → Browse All 20+ APIs

WHOIS Lookups.Any Domain, Instantly.