Whois API is basically a query or response protocol that is used to obtain domains’ registration and ownership information. Transmission Control Protocol (TCP) is used for the process to dig out the details about the websites.
The API has several possible application. For instance, it can be used to track domain name registrations on the database and confirm if a particular domain name is available.
Whois database is key when investigating and detecting fraud, intrusions and spam. The APU facilitates inquiries on Whois database to conduct normal clearances as well as help prevent the intellectual property theft.