Domain Availability Checker
Give this API up to 10 domain names and it tells you whether each has a registration record at the official registry. It uses RDAP, the structured replacement for WHOIS, so there is no free-text parsing. Each domain comes back as 'registered', 'unregistered', or 'indeterminate' when the registry has no RDAP for that ending. 'Unregistered' means no record was found, which usually means available -
domain-availability-checker.underscoredone.comBaseSolana last paid 4d ago
- Category
- Search & web
- Starting price
- $0.01
- Paid calls · 30 days
- 5
- Unique payers · 30 days
- 5
Paid endpoints
1 endpoint, sorted by usage. Prices are per request.