The Whois Record Data API unlocks the hidden layers behind every domain name, turning a simple web address into a rich source of actionable intelligence. Acting as a window into the Internet’s backbone, it exposes a domain’s full lifecycle, ownership, administrative and technical details, and real-time status—information essential to a wide spectrum of use cases.
At its core, the API delivers registrant data—the individual or organization officially responsible for the domain—which is indispensable for legal inquiries, business negotiations, and accurate record-keeping. It also chronicles a domain’s history, spotlighting creation dates, renewals, expirations, and transfers, so you can monitor portfolios, spot acquisition opportunities, and manage renewals proactively.
Beyond ownership and history, the API identifies the registrar and sponsoring organization handling a domain’s technical operations, streamlining transfers and troubleshooting registration issues. It reports current status flags, such as active, pending transfer, or redemption period, giving you real-time visibility into a domain’s availability and accessibility.
Because WHOIS records evolve continually, the API’s ability to fetch the most up-to-date data ensures you’re always working with accurate information. Whether you’re securing intellectual property, conducting market analysis, bolstering cybersecurity, facilitating domain brokerage, or performing legal research, this API delivers the comprehensive domain insights you need.
In today’s digital economy—where online assets carry significant value—the Whois Record Data API demystifies domain identities and safeguards the integrity of Internet transactions. By providing seamless access to essential domain data, it empowers administrators, analysts, legal professionals, marketers, and brokers alike to make informed decisions and act swiftly in an ever-changing online environment.
To use this endpoint you must indicate the URL of a domain in the parameter.
Register Information - Endpoint Features
| Object | Description |
|---|---|
domain |
[Required] |
{"domain_name":"gmail.com","registry_domain_id":"4667231_DOMAIN_COM-VRSN","registrar_whois_server":"whois.markmonitor.com","registrar_url":"http:\/\/www.markmonitor.com","updated_date":"2025-07-11T10:10:56+0000","creation_date":"1995-08-13T07:00:00+0000","registrar_registration_expiration_date":"2026-08-12T00:00:00+0000","registrar":"MarkMonitor, Inc.","registrar_iana_id":"292","registrar_abuse_contact_email":"[email protected]","registrar_abuse_contact_phone":"+1.2086851750","domain_status":"serverDeleteProhibited (https:\/\/www.icann.org\/epp#serverDeleteProhibited)","registrant_organization":"Google LLC","registrant_country":"US","registrant_email":"Select Request Email Form at https:\/\/domains.markmonitor.com\/whois\/gmail.com","tech_email":"Select Request Email Form at https:\/\/domains.markmonitor.com\/whois\/gmail.com","name_server":"ns1.google.com","dnssec":"unsigned","url_of_the_icann_whois_data_problem_reporting_system":"http:\/\/wdprs.internic.net\/",">>>_last_update_of_whois_database":"2026-01-07T04:49:44+0000 <<<","for_more_information_on_whois_status_codes,_please_visit":"","https":"\/\/domains.markmonitor.com\/whois\/contact\/gmail.com","web-based_whois":"","lawful_purposes_and_that,_under_no_circumstances_will_you_use_this_data_to":"","visit_markmonitor_at_https":"\/\/www.markmonitor.com"}
curl --location --request GET 'https://zylalabs.com/api/6568/whois+record+data+api/9572/register+information?domain=https://www.gmail.com' --header 'Authorization: Bearer YOUR_API_KEY'
| 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.
To use this API the user must indicate the URL of a domain.
There are different plans suits everyone including a free trial for small amount of requests, but it’s rate is limit to prevent abuse of the service.
Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.
The Whois Record Data API is an application programming interface that allows developers to programmatically access and retrieve information from the Whois database.
The GET Register Information endpoint returns comprehensive details about a specified domain, including registrant information, registrar details, domain status, creation and expiration dates, and administrative contacts.
Key fields in the response include "domain_name," "registrar," "creation_date," "registrant_organization," "domain_status," and "registrar_abuse_contact_email," providing essential insights into the domain's identity and management.
The response data is structured in JSON format, with key-value pairs representing various attributes of the domain. This allows for easy parsing and integration into applications.
This endpoint provides information such as domain registration details, ownership data, registrar information, domain status, and historical registration dates, essential for domain management and cybersecurity.
Users can customize their requests by specifying the domain URL in the endpoint parameter. This allows for targeted queries to retrieve information for specific domains of interest.
The data is sourced from the Whois database, which is maintained by domain registrars and registries. This ensures that the information is up-to-date and reflects the current status of domain registrations.
Data accuracy is maintained through regular updates from registrars and adherence to ICANN regulations. The API provides the most recent WHOIS records, ensuring users access current information.
Typical use cases include verifying domain ownership, conducting cybersecurity investigations, monitoring brand protection efforts, and performing market research for competitive analysis.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund
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The free trial ends when you reach 50 API requests or after 7 days, whichever comes first.
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Yes, we offer a 7-day free trial that allows you to make up to 50 API calls at no cost, so you can test our APIs without any commitment.
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.
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