Our hosted WHOIS API service provides the registration details, also known as the WHOIS record data, of a domain name, an IP address, or an email address. All of the WHOIS information we offer is adequately parsed and normalized to a consistent format so it can easily fit in with your business operations.Get started
500 free requests monthly. No credit card required.
WHOIS API is a consumption model variant that gathers a variety of domain ownership and registration data points from a comprehensive WHOIS database. Developers can integrate WHOIS API into existing internal systems and commercial applications using client libraries and integration modules.
Our WHOIS data can be quickly integrated into different internal systems to speed up its use by various stakeholders.
Our WHOIS data is gathered in near-real-time, giving you 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 as well as to investigate third-party risks.
Law enforcement agents can use WHOIS API as a tool for investigations to find IP addresses, websites, and domains sharing attributes with criminals’ online networks.
Domainers can determine if a domain name is available and keep up with registration changes by working with WHOIS API. 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 find WHOIS information helpful when tracking the competition and looking for new investment opportunities.
Domain brokers and registrars can rely on WHOIS API to efficiently manage domain name ownership transfers.
DevOps professionals can use WHOIS data to build new features and enrich other data sources as part of their software development and IT operations.
Payment processors and banks can prevent transaction fraud by looking out for customer information discrepancies and thwart malicious actors with the help of WHOIS API.
WHOIS API simplifies marketing research by allowing you to gather domain ownership information for statistical analyses. It also helps you make tailor-fit marketing strategies and campaigns for various user bases and identify otherwise-untapped opportunities.
WHOIS data enables brand agents to spot potential instances of trademark infringement like using blatantly similar, copycat, or duplicate domain names. This information can also be used with Website Categorization products to gather greater context around a domain.
Know your customers and prospects better with WHOIS API’s domain ownership information. Make your outreach efforts easier by using the contact details in domain records.
Our database comes in the form of CSV files and MySQL dumps for maximum compatibility and fast integration into existing systems.Order database
We provide extensions for major open-source threat intelligence platforms. Integrate WHOIS API into your applications in minutes.Go to integrations
Identify who is hosting a particular domain name or website.Learn more
Get full contacts data of the given domain.Learn more
The most accurate domain availability checker offered on the market.Learn more
Find out the exact physical location of any IP address, email or domain name.Learn more
Ensure the validity and quality of any email address.Learn more
Easily detect all typosquatting domain names as soon as they are registered each day.Learn more
Define website category of the given domain.Learn more
Find domains and subdomains related by specific terms in their hostnames.Learn more
Find relations like ownership between hostnames and IPs.Learn more
Get insights for the new business registered on the web.Learn more
Instantly get a screenshot of any web page.Learn more
Find all domains that use the same name server.Learn more
Get access to the biggest US Internet Retailers Database.Learn more
Get data feeds of new registered domains along with their WHOIS data generated in real time.Learn more
Monitor exact matches, variations and common misspellings of your brand name & trademarks.Learn more
Assess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...Learn more
Get a complete daily list of all the registered domains and zone files.Learn more
Discover subdomains related to the target domain name.Learn more
Find connections between various domains, individuals and organizations.Learn more
Find out which IP range the particular IP belongs to.Learn more
Enhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...Learn more
Get the most relevant data to be ahead of emerging security threats.Learn more
Reveal all the domains that use the same mail server.Learn more
Find out which domains were added or dropped by registrants, with given search criteria.Learn more
Get well-parsed and normalized WHOIS information for any domain name, IP address or email.Learn more
We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.Learn more
Keep track of the best business opportunities online.Learn more
Do much more with our annual API subscriptions that cover WHOIS data and other types of domain, IP, and DNS intelligence. See how we can match your business planning and solution architecture requirements.Learn more