
Domain API · FreeWHOIS Lookup
WHOIS Lookup
API
Modern RDAP-backed WHOIS lookup. Returns registrar, status, key dates (created/updated/expires), nameservers, and registrant info where public.
Free. No API key. CORS-enabled. Rate-limited per IP.
GET
https://api.domainee.dev/v1/tools/whois-lookup?domain=domainee.devModern RDAP-backed WHOIS lookup. Returns registrar, status, key dates (created/updated/expires), nameservers, and registrant info where public.
Free. No API key required. CORS-enabled. Rate-limited per IP at 30/min and 500/day.
Parameters
| Name | In | Type | Description |
|---|---|---|---|
domainrequired | query | string | Domain to look up. example: domainee.dev |
Example request
curl
curl -s "https://api.domainee.dev/v1/tools/whois-lookup?domain=domainee.dev" | jqExample response
response.json
{
"ok": true,
"data": {
"domain": "domainee.dev",
"registrar": "Namecheap, Inc.",
"status": [
"clientTransferProhibited"
],
"created": "2025-09-12T08:21:33.000Z",
"updated": "2026-03-04T11:08:12.000Z",
"expires": "2027-09-12T08:21:33.000Z",
"nameServers": [
"abdullah.ns.cloudflare.com",
"audrey.ns.cloudflare.com"
]
}
}Other languages
fetch.js
const res = await fetch("https://api.domainee.dev/v1/tools/whois-lookup?domain=domainee.dev");
const { ok, data } = await res.json();requests.py
import requests
r = requests.get(
"https://api.domainee.dev/v1/tools/whois-lookup",
params={"domain":"domainee.dev"},
)
data = r.json()["data"]Rate limits & errors
- 30 requests/minute and 500 requests/day per IP. Exceeding either returns HTTP 429 with a
Retry-Afterheader. - All responses are JSON with the envelope
{ "ok": true, "data": {...} }on success or{ "ok": false, "error": { "code", "message" } }on failure. codevalues are stable; safe to switch on programmatically.messageis human-friendly and may change.
Prefer a UI?
Try the whois lookup in your browser →
No code, no curl. Type a domain, get a result.
Full reference
Documentation for /v1/tools/whois-lookup →
All parameters, error codes, edge cases.
Need more than free?
Domainee's full platform: Custom Domains API, MCP for AI agents, Buy-a-Domain API, and 50 customer domains free forever. The same engineering team that built these free APIs.