Real-time and on-demand lookup APIs. Query a single domain, IP, or ASN and get structured JSON (or XML) back immediately.
20 endpoints across 11 categories. All requests require your API key — see Authentication.
WHOIS lookup APIs (live, historical, reverse, bulk)
4 endpoint(s):
- Live WHOIS Lookup —
GET /v2.0/whois/live - Bulk WHOIS Lookup —
POST /v2.0/bulkwhois/live - Historical WHOIS records for a domain —
GET /v2.0/whois/history - Reverse WHOIS lookup by keyword —
GET /v2.0/whois/reverse
DNS lookup APIs (live, historical, reverse, bulk)
4 endpoint(s):
- Live DNS Lookup —
GET /v2.0/dns/live - Historical DNS Lookup —
GET /v2.0/dns/historical - Reverse DNS Lookup —
GET /v2.1/dns/reverse - Bulk DNS Lookup —
POST /v2.0/dns/bulk/live
Check domain availability
2 endpoint(s):
- Domain Availability Check with Suggestions —
GET /v2.0/domain/availability - Bulk Domain Availability Check —
POST /v2.0/domain/availability
Detect typo variants of brand domains
1 endpoint(s):
- Typosquatting Lookup —
GET /v3.0/domain/typos
SSL certificate lookup
1 endpoint(s):
- SSL Certificate Lookup —
GET /v1.0/ssl/live
IP geolocation lookup
2 endpoint(s):
- IP Geolocation Lookup —
GET /v1.0/geolocation - Bulk IP Geolocation —
POST /v1.0/geolocation
Subdomain enumeration
1 endpoint(s):
- Subdomains Lookup —
GET /v1.0/subdomains
IP threat intelligence
2 endpoint(s):
- IP Reputation Lookup —
GET /v1.0/security - Bulk IP Reputation —
POST /v1.0/security
Real-time domain threat assessment and trust scoring
1 endpoint(s):
- Domain Reputation Lookup —
GET /v1/domain/security
Autonomous System Number WHOIS
1 endpoint(s):
- ASN WHOIS Lookup —
GET /v2.0/asn-whois
IP address WHOIS
1 endpoint(s):
- IP WHOIS Lookup —
GET /v1.0/ip-whois