Check if any domain name can be registered or not. Sign up for a user account and enjoy your first 100 queries free of charge.Get started
100 free API requests monthly. No credit card required.
An immediate way to check if you can register a domain name.
Domain Availability API can be integrated into existing software and offers market-leading accuracy when checking domain availability at scale via API calls. 100 complimentary queries are provided free of charge when signing up for a new developer account.
Establish whether or not domains are available to be registered in the most convenient way for you.
Our API results are available in both JSON and XML. Our lookup reports are straightforward and shareable.
Both our API and lookup versions cover an extensive selection of TLDs.
Our WHOIS data is updated daily and accurate for both Domain Availability Lookup and API.