WhoisFreaks provides REST APIs for domain and IP intelligence: live and historical WHOIS, reverse WHOIS, DNS lookups, domain availability, SSL certificates, IP geolocation and threat intelligence. Every API returns normalized JSON or XML, and new accounts get 500 free credits that never expire, with no credit card.
| Repository | What it covers |
|---|---|
| whois-api | Live, historical, reverse and bulk WHOIS lookups for 1,529+ TLDs |
| domain-availability-api | Domain availability checks, TLD suggestions and bulk checks |
| dns-lookup-api | Live, historical, reverse and bulk DNS records |
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