Wild APIs
1,383 listings18 categoriesVerified weeklySubmit an API

WHOIS & DNS

Every listing carries the same fields in the same order. Counts beside each filter update as you narrow.
6 listings of 104 in catalogue
TableRows
APIPricingAuthFormatFree tierStatus
DigMyNameChecks domain availability and compares registrar prices across 50+ TLDs, no key required.
Developer Tools › WHOIS & DNS
FreeNoneJSON10k+/dayLive
Domain IntelligenceWHOIS/RDAP, DNS, SSL certificate, subdomain and SPF/DMARC/DKIM data for a domain in one call.
Developer Tools › WHOIS & DNS
FreemiumAPI keyJSON<100/dayLive
DomScanDomain, DNS, WHOIS/RDAP, TLS, typosquatting and brand-monitoring lookups across 1,100+ TLDs.
Developer Tools › WHOIS & DNS
FreemiumAPI keyJSON—Live
Host.ioDNS records, backlinks, IP/ASN and related-domain data across 600M+ registered domains.
Developer Tools › WHOIS & DNS
FreemiumAPI keyJSON<100/dayLive
IP2WHOIS Information LookupDomain WHOIS records—registrant, dates, nameservers—by domain name, returned as JSON or XML.
Developer Tools › WHOIS & DNS
FreemiumAPI keyJSON<100/dayUntested
NetworkCalcREST utilities for IP subnet math, DNS/WHOIS/SPF lookups, TLS certificate checks, and encoding conversions.
Developer Tools › WHOIS & DNS
FreemiumNoneJSON—Live