WHOIS Lookup API - Domain Info & Availability
Is a domain registered? Who is the registrar, when was it created, when does it expire, how old is it, its status and nameservers. Uses the official RDAP registry data (the modern WHOIS). No personal contact data.
Authentication & base URL
Subscribe through one of our marketplace listings; your marketplace API key and base URL are shown there. All endpoints return JSON over HTTPS, served from a global edge network (typically 20–150 ms).
Endpoints
GET /v1/domain
Domain info
| Parameter | In | Description | Example |
|---|---|---|---|
domain * | query | Domain name | apify.com |
Example
GET /v1/domain?domain=apify.com
{
"domain": "apify.com",
"registered": true,
"available": false,
"registrar": "Amazon Registrar, Inc.",
"created": "2009-06-02T17:14:10Z",
"updated": "2026-05-16T16:53:04Z",
"expires": "2035-06-02T17:14:10Z",
"daysUntilExpiry": 3154,
"ageYears": 17.4,
"status": [
"client transfer prohibited"
],
"nameservers": [
"ns-1225.awsdns-25.org",
"ns-1928.awsdns-49.co.uk",
"ns-449.awsdns-56.com",
"ns-839.awsdns-40.net"
],
"dnssec": true
}Is a domain registered? Who is the registrar, when was it created, when does it expire, how old is it, its status and nameservers. Uses the official RDAP registry data (the modern WHOIS). No personal contact data.
Use cases
Domain availability checkers, expiry monitoring, brand protection, fraud scoring (young domains), registrar research.
Why this API
- Fast: runs on a global edge network, typical response well under 1 second.
- Reliable: simple JSON, clear error messages.
- Fair pricing: Free plan 500 requests/month, Pro 25,000 for $4.99, Ultra 150,000 for $14.99.
Pricing
Free plan with 500 calls per month, then Pro (25,000 calls for $4.99/month) and Ultra (150,000 calls for $14.99/month). See all plans.