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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.
Get access to over a billion active WHOIS records for both domains and subdomains across 2,864+ gTLDs and ccTLDs.
Our well-parsed and normalized WHOIS data can quickly be integrated into different internal systems to speed up its use by various stakeholders.
The query results with both parsed fields and raw texts are returned in commonly-used XML and JSON formats.
Our WHOIS data is gathered in near-real-time, giving users exclusive access to accurate and updated information for better decision-making.
Digital forensics and incident response (DFIR) and other cybersecurity consultants can rely on WHOIS API to provide clients with easy-to-read lists of domains that may have ties to cybercrime, thus allowing them to enhance their cyber defense. This information could be particularly useful in mitigating phishing and other malware-enabled attacks.
Infosec professionals can work with WHOIS API to enhance their solutions and services and protect users against spam, dangerous websites, network infiltrations, and other online misdeeds.
Law enforcement agents can use WHOIS API as a tool during their investigations to find IP addresses, websites, and domains sharing attributes with criminals’ online networks.
Domainers use WHOIS API to check domain names availability and to track domain registration changes. They can see all historical changes to particular domains with a simple search while the monitoring functionality lets them stay updated on the most recent domain changes.
Domain investors use the information gained from WHOIS searches to learn about their competition and to identify investment opportunities.
Registries, registrars and domain brokers use WHOIS API to ensure reliable and secure domain name ownership transfer and management.
Payment processors and banks use WHOIS API to detect transaction fraud by spotting anomalies in customer information to flag down potential malicious acts.
Market researchers can use WHOIS API to obtain more insights into their user base with statistical analyses helping them create better marketing strategies and campaigns, focus on the right customers, and cater to formerly untapped markets.
WHOIS data enables brand agents to spot potential acts of trademark infringements like blatant domain name similarities, copycats, and duplicates.
Website owners and managers use WHOIS API to gather the contact details available in WHOIS records, possibly leading to exciting business opportunities and partnerships.
We provide extensions for the major open source threat intelligence platforms. Integrate WHOIS API into your application in minutes.
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Find out the exact physical location of any IP address, email or domain name.
Learn moreAssess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...
Learn moreWe provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.
Learn moreEasily detect all typosquatting domain names as soon as they are registered each day.
Learn moreGet data feeds of new registered domains along with their WHOIS data generated in real time.
Learn moreGet a complete daily list of all the registered domains and zone files.
Learn moreGet well-parsed and normalized WHOIS information for any domain name, IP address or email.
Learn moreGet the most relevant data to be ahead of emerging security threats.
Learn moreMonitor exact matches, variations and common misspellings of your brand name & trademarks.
Learn moreFind out which domains were added or dropped by registrants, with given search criteria.
Learn moreEnhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...
Learn moreAPI access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.
Learn moreWe work hard to improve our services for you. As part of that process, we welcome your feedback, questions, and suggestions. Please let us know about your thoughts and feelings, and any way in which you think we can improve our product.
For a quick response, please select the request type that best suits your needs. For more info regarding the request types, see Contact us page.
