{"domain":"google.com","keyword":"google","tld":"com","availability":"registered","status":["clientDeleteProhibited","clientTransferProhibited","clientUpdateProhibited","serverDeleteProhibited","serverTransferProhibited","serverUpdateProhibited"],"ns":["ns1.google.com","ns2.google.com","ns3.google.com","ns4.google.com"],"dates":{"created":"1997-09-15T04:00:00.000Z","updated":"2019-09-09T15:39:04.000Z","expiry":"2028-09-14T04:00:00.000Z","expiryDays":1147},"registrar":{"url":"http://www.markmonitor.com","name":"MarkMonitor Inc.","whois":"whois.markmonitor.com"},"contacts":{"registrant":{"name":null,"organization":null,"email":null,"phone":null,"street":null,"city":null,"postalCode":null,"state":null,"country":null},"admin":{"name":null,"organization":null,"email":null,"phone":null,"street":null,"city":null,"postalCode":null,"state":null,"country":null},"tech":{"name":null,"organization":null,"email":null,"phone":null,"street":null,"city":null,"postalCode":null,"state":null,"country":null},"billing":{"name":null,"organization":null,"email":null,"phone":null,"street":null,"city":null,"postalCode":null,"state":null,"country":null}},"whois":{"whois.verisign-grs.com":{"Domain Status":["clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited","clientTransferProhibited https://icann.org/epp#clientTransferProhibited","clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited","serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited","serverTransferProhibited https://icann.org/epp#serverTransferProhibited","serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited"],"Name Server":["NS1.GOOGLE.COM","NS2.GOOGLE.COM","NS3.GOOGLE.COM","NS4.GOOGLE.COM"],"text":["For more information on Whois status codes, please visit https://icann.org/epp","","NOTICE: The expiration date displayed in this record is the date the","registrar's sponsorship of the domain name registration in the registry is","currently set to expire. This date does not necessarily reflect the expiration","date of the domain name registrant's agreement with the sponsoring","registrar. Users may consult the sponsoring registrar's Whois database to","view the registrar's reported date of expiration for this registration.","","TERMS OF USE: You are not authorized to access or query our Whois","database through the use of electronic processes that are high-volume and","automated except as reasonably necessary to register domain names or","modify existing registrations; the Data in VeriSign Global Registry","Services' (\"VeriSign\") Whois database is provided by VeriSign for","information purposes only, and to assist persons in obtaining information","about or related to a domain name registration record. VeriSign does not","guarantee its accuracy. By submitting a Whois query, you agree to abide","by the following terms of use: You agree that you may use this Data only","for lawful purposes and that under no circumstances will you use this Data","to: (1) allow, enable, or otherwise support the transmission of mass","unsolicited, commercial advertising or solicitations via e-mail, telephone,","or facsimile; or (2) enable high volume, automated, electronic processes","that apply to VeriSign (or its computer systems). The compilation,","repackaging, dissemination or other use of this Data is expressly","prohibited without the prior written consent of VeriSign. You agree not to","use electronic processes that are automated and high-volume to access or","query the Whois database except as reasonably necessary to register","domain names or modify existing registrations. VeriSign reserves the right","to restrict your access to the Whois database in its sole discretion to ensure","operational stability. VeriSign may restrict or terminate your access to the","Whois database for failure to abide by these terms of use. VeriSign","reserves the right to modify these terms at any time.","","The Registry database contains ONLY .COM, .NET, .EDU domains and","Registrars."],"Domain Name":"GOOGLE.COM","Registry Domain ID":"2138514_DOMAIN_COM-VRSN","Registrar WHOIS Server":"whois.markmonitor.com","Registrar URL":"http://www.markmonitor.com","Updated Date":"2019-09-09T15:39:04Z","Created Date":"1997-09-15T04:00:00Z","Expiry Date":"2028-09-14T04:00:00Z","Registrar":"MarkMonitor Inc.","Registrar IANA ID":"292","Registrar Abuse Contact Email":"[email protected]","Registrar Abuse Contact Phone":"+1.2086851750","DNSSEC":"unsigned","URL of the ICANN Whois Inaccuracy Complaint Form":"https://www.icann.org/wicf/",">>> Last update of whois database":"2025-07-25T13:59:00Z <<<"}},"nameservers":["ns1.google.com","ns2.google.com","ns3.google.com","ns4.google.com"],"__notices":["field `ns` is deprecated and will be removed on 2026-01-01, use `nameservers` instead","field `dates.expiryDays` is deprecated and will be removed on 2026-01-01, use `dates.expiry` to infer it"]}
curl --location --request GET 'https://pr213-testing.zylalabs.com/api/8735/whois+availability+checker+api/15263/domain+information&domain=Required' --header 'Authorization: Bearer YOUR_API_KEY'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Whois Availability Checker API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
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The Whois Availability Checker API is a powerful tool that allows you to obtain detailed information about any domain registered on the internet. When you enter a domain, the API returns a structured response with key data such as availability (whether it is registered or not), its extension or TLD (such as .com, .org, .net), and the current status of the domain (for example, clientDeleteProhibited or clientTransferProhibited). It also includes registrar data, such as its name, URL, WHOIS server, and contact details for abuse reports.
The API provides important dates such as the domain creation date, last update date, and expiration date, along with a counter of days remaining until expiration. In addition, active nameservers are listed, making it easy to identify the current DNS provider (e.g., Cloudflare, GoDaddy, etc.).
The DNSSEC status, if enabled, and the DS data necessary to validate the security of the domain are also included. The response includes public WHOIS content, including legal texts, WHOIS service usage policies, and other data from the VeriSign database.
The API has been designed for use in domain monitoring platforms, availability verification, web infrastructure analysis, cybersecurity research, and digital brand management solutions.
The API returns detailed domain information, including availability status, TLD, registrar data, important dates (creation, update, expiration), active nameservers, DNSSEC status, and public WHOIS content.
Key fields include domain availability, TLD, registrar name and URL, creation and expiration dates, nameservers, DNSSEC status, and WHOIS legal texts. Each field provides essential insights into domain ownership and status.
The response is structured in a JSON format, with clearly defined fields for each data type. This organization allows for easy parsing and integration into applications, facilitating efficient data retrieval and usage.
The API provides information on domain registration status, registrar details, important dates, nameservers, DNSSEC validation data, and public WHOIS content, making it comprehensive for domain analysis.
Users can specify the domain name as a parameter in the GET request. This allows for targeted queries to retrieve information about specific domains of interest.
The data is sourced from WHOIS databases, including information from registrars and the VeriSign database, ensuring a broad and reliable coverage of domain ownership information.
Common use cases include domain availability checks, cybersecurity research, digital brand management, and web infrastructure analysis, helping businesses monitor and manage their online presence effectively.
Users can analyze the availability status to make informed decisions on domain registration, track expiration dates for renewals, and assess registrar details for potential transfers or disputes.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
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