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Whois API & Whois
Domain Availability API
This version of the API is deprecated. For the latest version, please visit
Domain Availability API is the most accurate domain availability checker offered on the market.
The first 100 domain name availability lookups are complimentary when you register for a free developer account.
- Checks domain availability for registration.
- API works for nearly all of the TLDs.
- Query results, with both parsed fields and raw texts, are returned in popular XML & JSON format.
- Real-time Whois data, ensuring that only the most up to date and accurate information is delivered.
- Registrars and Domainers use this to find out if domains are available.