WHOIS Lookup

Look up WHOIS registration data for a domain

GET


                    api/v1/whois

Look up WHOIS registration data for a domain

Rate Limiting

Standard rate limits apply to this endpoint.

Authentication

This endpoint requires authentication via API key. You can use the sandbox mode for testing without registering. See the authentication guide for details.

Query Parameters

Parameter	Type	Required	Description
`domain`	string	Required	The domain parameter

Response details for this API endpoint. See the response format guide for the standard response structure.

Example Response

{
    "status": "success",
    "http_code": 200,
    "code": "SUCCESS",
    "message": "WHOIS lookup completed",
    "data": {
        "domain": "example.com",
        "registrar": "RESERVED-Internet Assigned Numbers Authority",
        "creation_date": "1995-08-14T04:00:00Z",
        "expiration_date": "2025-08-13T04:00:00Z",
        "name_servers": [
            "a.iana-servers.net",
            "b.iana-servers.net"
        ],
        "queried_at": "2025-05-19T12:00:00+00:00"
    }
}

Example Usage

Here's how to use this endpoint in various languages. For more examples, see our code examples page.

cURL

curl -X GET \
    "https://apixies.io/api/v1/whois" \
    -H "X-API-Key: YOUR_API_KEY"

JavaScript

fetch("https://apixies.io/api/v1/whois", {
    method: "GET",
    headers: {
        "Content-Type": "application/json",
        "X-API-Key": "YOUR_API_KEY"
    }
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error("Error:", error));

PHP

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://apixies.io/api/v1/whois");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json",
    "X-API-Key: YOUR_API_KEY"
]);

$response = curl_exec($ch);
curl_close($ch);

echo $response;

Try It Yourself

Test this endpoint directly from your browser using our API sandbox. No authentication required for testing.

Try API Endpoint

This is a limited sandbox environment.

For full, unlimited API access, register for a free account during our beta period.

API Endpoint

/

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Response

Send a request to see the response

Common Use Cases

Domain portfolio management

Monitor expiration dates across your domain portfolio. Set up alerts for domains approaching renewal deadlines to prevent accidental lapses.

Brand protection

Monitor registrations of domains similar to your brand. Detect potential cybersquatting or phishing domains early.

Due diligence for acquisitions

Research domain ownership and registration history when evaluating domain purchases or investigating website ownership.

Related API Endpoints

Explore related endpoints that work well with WHOIS Lookup.

GET DNS Lookup

Resolve DNS records (A, AAAA, MX, TXT, CNAME, NS, SOA, SRV, CAA, PTR) for any domain

GET SSL Health Inspector

Inspect SSL certificate details for a domain, including validity, expiry and chain health

GET IP Geolocation

Convert IP addresses to location data including country, city, coordinates, timezone, and ISP inform...

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