WHOIS Search | Whois XML API

Get well-parsed and normalized WHOIS information for any domain name, IP address or email

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500 free requests monthly. No credit card required.

2,864+TLDs
582M+Domains tracked
52K+Satisfied customers
7.0 Billion+WHOIS records

What is WHOIS API?

WHOIS API is a consumption model variant that gathers a variety of domain ownership and registration data points from comprehensive WHOIS databases. Developers can integrate WHOIS API into existing internal systems and commercial applications using client libraries and integration modules.

  • Comprehensive across TLDs

    Get access to over a billion active WHOIS records for both domains and subdomains across 2,864+ gTLDs and ccTLDs.

  • Unified and fit for purpose

    Our well-parsed and normalized WHOIS data can quickly be integrated into different internal systems to speed up its use by various stakeholders.

  • Handy

    The query results with both parsed fields and raw texts are returned in commonly-used XML and JSON formats.

  • Reliable and current

    Our WHOIS data is gathered in near-real-time, giving users exclusive access to accurate and updated information for better decision-making.

WHOIS product line includes

Lookup

Get key data points for domains including Registrant name, organization, e-mail address, registration address, registrar information, creation date, expiration date, updated date, domain availability, domain age, and even more.

WHOIS Lookup | Whois XML API
WHOIS API | Whois XML API

API

With one API call, you get WHOIS information which is well-parsed and normalized to a consistent format for easy integration with your business processes. The first 500 WHOIS API calls are complimentary for a free developer account.

Bulk processing

Our Bulk WHOIS processing tools provide WHOIS records for a bulk list of domains/IPs via a single REST API query as well as easy-to-use GUI. Upload your existing data and download the result in the CSV format.

Bulk WHOIS API/GUI | Whois XML API
WHOIS Database Download | Whois XML API

Data Feed

We provide complete and relevant domain WHOIS data, which can be customized and easily integrated as per your business needs. We do our best to widen the scope of our database and boost its accuracy so as to offer data as structured as possible.

Software Package

Provides you with the same technology we use here at WhoisXMLAPI.com and helps you run your own Hosted WHOIS Web service in house. All you need to have is the necessary infrastructure and support power, and our expert team will handle the rest for you.

WHOIS API Software Package | Whois XML API
WHOIS Search Overview | Whois XML API

Get 500 free credits monthly. No credit card required.

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