DomainTools API - Developers

DomainTools
You can access the same powerful research tools used every day by brand managers, legal professionals, site owners and domain investors. Nearly every piece of data you'll find us using on the DomainTools site is available for your use, including Whois Lookup, Whois History, Reverse Whois, Domain Suggestions, and more. Discover relationships among web sites, domain owners and IP addresses with Name Server Reports, Reverse IP lookups and Reverse Whois Reports. Find domains to register or buy with Domain Suggestions and Domain Search APIs. Monitor hundreds of thousands of new domain registrations each day for keywords or ownership profiles with the Trademark Alert and Registrant Alert APIs.