Whois API Documentation

Our Hosted Whois API Web Service provides registration details, also known as WHOIS Records, of a domain names.

Whoisjsonapi.com provides a RESTful API to get access to the whois data. It is designed for server-to-server communication between your system and the whoisjsonapi.com network using HTTPs protocol. Query responses are delivered in JSON format based on your requests which are made via GET method.

The following data is included:

• Important Dates (i.e. Expiration, Creation)
• Owner and contact information if available
• Nameservers
• Registrar information

Single domain request

By making a single domain request, you can obtain only the whois information for the specific domain you are querying. This request operates swiftly as it doesn't necessitate additional resources.

API endpoint

Input parameters: required

Example

curl --location 'https://whoisjsonapi.com/v1/twitter.com' \
--header 'Authorization: Bearer {your-api-token}'

Bulk request

Bulk WHOIS API gives you parsed domain WHOIS ownership information for a list of domains

API endpoint

Input parameters: required

Example

curl --location 'https://whoisjsonapi.com/v1/domains?d=facebook.com,twitter.com,bbc.com' \
--header 'Authorization: Bearer {your-api-token}'

Authorization

When making a request to our REST API, the API token must be added either to the request Authorization header or as the GET parameter apiKey.

Example: API key in headers

curl --location 'https://whoisjsonapi.com/v1/whois.com' \
--header 'Authorization: Bearer {your-api-token}'

Example: API key in GET parameters

curl --location 'https://whoisjsonapi.com/v1/whois.com?apiKey={your-api-token}'

Response

Query responses are delivered in JSON format.

Domain

Registrar

Registrant

Administrative

Technical

Response example

{
    "domain": {
        "id": "2320948_DOMAIN_COM-VRSN",
        "domain": "facebook.com",
        "punycode": "facebook.com",
        "name": "facebook.com",
        "extension": "com",
        "whois_server": "whois.registrarsafe.com",
        "status": [
            "clientdeleteprohibited",
            "clienttransferprohibited",
            "clientupdateprohibited",
            "serverdeleteprohibited",
            "servertransferprohibited",
            "serverupdateprohibited"
        ],
        "name_servers": [
            "d.ns.facebook.com",
            "a.ns.facebook.com",
            "b.ns.facebook.com",
            "c.ns.facebook.com"
        ],
        "created_date": "1997-03-29T05:00:00Z",
        "created_date_in_time": "1997-03-29T05:00:00Z",
        "updated_date": "2023-04-26T19:04:19Z",
        "updated_date_in_time": "2023-04-26T19:04:19Z",
        "expiration_date": "2032-03-30T04:00:00Z",
        "expiration_date_in_time": "2032-03-30T04:00:00Z"
    },
    "registrar": {
        "name": "RegistrarSafe, LLC",
        "phone": "+1.6503087004",
        "email": "[email protected]",
        "referral_url": "https://www.registrarsafe.com"
    },
    "registrant": {
        "name": "Domain Admin",
        "organization": "Meta Platforms, Inc.",
        "street": "1601 Willow Rd",
        "city": "Menlo Park",
        "province": "CA",
        "postal_code": "94025",
        "country": "US",
        "phone": "+1.6505434800",
        "email": "[email protected]"
    }
}

Rate limits

A rate limit is the number of API calls an app or user can make within a given time period. If this limit is exceeded or if CPU or total time limits are exceeded, the app or user may be throttled. API requests made by a throttled user or app will fail.

Platform rate limits

Errors

When you request information about a domain, you may receive a message that the domain was not found. This means that the domain has not yet been registered and might be available for purchase.

Code Examples

• cURL
• PHP
• Node.js
• Golang

curl --location \
--request GET 'https://whoisjsonapi.com/v1/youtube.com' \
--header 'Authorization: Bearer {your token}'

use GuzzleHttp\Client;

$client = new Client([
    'base_uri' => 'https://whoisjsonapi.com/v1',
    'timeout'  => 2.0,
]);
$response = $client->request('GET', '/youtube.com', [
    'headers' => [
        'Accept'        => 'application/json',
        'Authorization' => 'Bearer {your token}'
    ]
]);

$response->getStatusCode();
$response->getBody();

const axios = require('axios');

const config = {
    headers: {
        "Content-type": "application/json",
        "Authorization": `Bearer {your token}`,
    },
};

axios
  .get('https://whoisjsonapi.com/v1/youtube.com', null, config)
  .then(res => {
    console.log(`statusCode: ${res.status}`);
    console.log(res);
  })
  .catch(error => {
    console.error(error);
  });

import (
    "fmt"
    "net/http"
    "time"
)

func main() {
    client := &http.Client{
        Timeout: time.Second * 5,
    }

    req, err := http.NewRequest("GET", "https://whoisjsonapi.com/v1/youtube.com", nil)
    if err != nil {
        return fmt.Errorf("Got error %s", err.Error())
    }

    req.Header.Set("Authorization", "Bearer {your token}")

    response, err := client.Do(req)
    if err != nil {
        return fmt.Errorf("Got error %s", err.Error())
    }
    defer response.Body.Close()
}