NOTE: This data is refreshed every 3 months. For faster refreshes talk to our Sales Team about the HG Platform!


WHOIS API is a consumption model variant designed for cybercrime investigators, DevOps teams, and web domain brokers. It enables users to access web domain WHOIS information, determine if a domain name has been used in cybercrime, spam, or fraud, view historical domain changes, manage domain name ownership transfers, gather domain ownership information for s... show more

Create a Target Segment

Companies Currently Using WHOIS API

Download CSV Sample (25 companies)
Company NameWebsiteHQ AddressCityStateZipCountryTop Level IndustrySub Level IndustryEmployeesRevenue (USD)PhoneLast Verified
Tucows 96 Mowat Ave Toronto ON M6K 3M1 CA Telecommunications Website Hosting & Internet-related Services From 1,000 to 4,999 From $200,000,000 to $499,999,999 (416) 535-0123 7 months ago
Censys 116 S Main St Ann Arbor MI 48104 US Technical Software Manufacturers From 50 to 199 From $10,000,000 to $49,999,999 - 7 months ago
DomainTools 2101 4th Ave. Suite 1150 Seattle WA 98121 US Technical Software Development & Technical Consulting From 50 to 199 From $10,000,000 to $49,999,999 (206) 838-9020 7 months ago
INSPYR Solutions 1400 Post Oak Blvd, Ste 200 Houston TX 77056-3008 US Business Services Personal Services Unknown From $10,000,000 to $49,999,999 (713) 547-4444 7 months ago
Global Domains International 701 Palomar Airport Rd, Ste 300 Carlsbad CA 92011-1028 US Technical Software Manufacturers From 5,000 to 9,999 From $10,000,000 to $49,999,999 (858) 684-9628 8 months ago
ICANN 4676 Admiralty Way, Ste 330 Marina del Rey CA 90292-6648 US Technical Software Development & Technical Consulting From 200 to 499 From $50,000,000 to $99,999,999 (310) 301-3859 7 months ago

Personalize. Target. Analyze.

Discover companies using WHOIS API by locations, employees, revenue, industries, and more. Compare your target to your CRM or marketing platform. Create campaigns & analyze your results.

Contact Us to view all 1,419 companies