Welcome — See our services below

Domain Availability & WHOIS API

A fast, developer-friendly API for checking domain availability, WHOIS / RDAP records, pricing and appraisals across 1,000+ TLDs.

  • Domain availability status
  • WHOIS & RDAP data
  • Domain name appraisal
  • Global TLD support (1,000+)
  • Prices from GoDaddy, Sedo & Namecheap
  • Developer-friendly integration
  • Reliable, up-to-date data
  • Free plan to get started

Free Web Tools

No signup required — a growing toolbox for everyone working with domains.

Bulk Domain Availability CheckerCheck hundreds of names across any TLD in a single run.
Domain Appraisal ToolGet an instant estimated market value for any domain.
AIAI Domain Name SuggestionsDescribe your idea — AI brainstorms available names.
WHOIS LookupPull registration, owner and expiry data for any domain.
DNS LookupInspect A, MX, TXT and other records instantly.
WHOIS Server by TLDFind the authoritative WHOIS server for any TLD.
RDAP Server by TLDLook up the RDAP endpoint for any TLD.

Browse Premium Domains

Explore thousands of domains for sale across multiple markets, with free value estimates on every listing.

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