WhoisAPI is the premier provider of freshly parsed whois data for domain names and IP addresses, also providing IP to geolocation, HTML to PDF, and domain availability RESTful HTTP APIs. Billing is performed on a pay as you go basis, free monthly use.
Bulk Whois API is a provider of parsed WHOIS data in JSON with simple API, competitive pricing, and top notch support. We support all TLDs including new gTLDs as well as IP addresses. Spend no more than necessary to get WHOIS data for your business.
Domains Index’s WHOIS Database Download provides domainers with a massive domain dataset. It covers more than 80% of the 340 million registered domain names to date, ensuring they get an all-inclusive and up-to-date domain and zone file list.
DomainIndex.com provides domain data and appraisal services that help domainers make crucial business decisions. The company has evaluated more than 280,000 domain names using self-learning statistical models for its pricing index.