Get domain registration info, expiry, registrar, nameservers via REST API.
3 free requests/day without API key
https://whois-lookup-wheat.vercel.appX-API-Key: your_key (header) or ?key=your_key (query)Get your free key below/api/whois?domain=example.comQuery WHOIS data for a domain and get structured registration information.
domainstringyesDomain name to lookup (e.g. example.com){
"domain": "google.com",
"registrar": "MarkMonitor Inc.",
"created": "1997-09-15T04:00:00Z",
"expires": "2028-09-14T04:00:00Z",
"status": ["clientDeleteProhibited", "clientTransferProhibited"],
"nameservers": ["ns1.google.com", "ns2.google.com"]
}// 400 — Bad Request
{ "error": "Missing 'domain' parameter..." }
// 401 — Unauthorized
{ "error": "Invalid API key" }
// 429 — Rate Limited
{ "error": "Daily limit reached. Upgrade your plan." }Get a free API key for 6 requests/day. No credit card required.
X-API-Key: your_key?key=your_keyStart free. Pay only when you need more.