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Retrieve accurate and well-structured WHOIS domain lookup information for all top-level domains (TLDs) and their respective second-level domains (SLDs) as listed by ICANN. Get real-time registration and ownership details directly from WHOIS servers.
The WHOIS Domain Lookup API provides comprehensive domain intelligence including registration dates, registrar information, nameservers, domain status, and raw WHOIS data. Perfect for phishing detection, brand protection, and competitive analysis.
Pass your API key as the apiKey parameter in every request.
This is version 2.0 of the API.
The following parameters can be used in your API requests. All parameters are passed as query string parameters.
formatoptionalStringdefault: jsonResponse format: 'json' (default) or 'xml'.
domainNamerequiredStringDomain name or URL whose WHOIS required.
A successful request returns a 200 OK response with a JSON object containing the WHOIS data. The response includes the top-level fields listed below. See the response preview on the right for the full JSON structure.
statusDetermines whether the request was successfully processed or not.
domain_namedomain name which was queried
query_timeThe timestamp when the query was made. (format YYYY-MM-DD HH:mm:ss)
whois_serverThe WHOIS server that provided the domain information.
domain_registereddetermines whether the requested domain is registered/not registered or is restricted. Possible values are:
create_datedate when the domain was initially registered (format: YYYY-MM-DD)
update_dateThe date (format: YYYY-MM-DD) of the most recent update to the domain registration.
expiry_dateThe date ( format YYYY-MM-DD) when the domain registration will expire if not renewed.
name_serversName servers of the domain.
domain_statusStatus of the domain.
whois_raw_domainRaw WHOIS data for the domain.
Registrar entity managing the domain - IANA ID, name, WHOIS server, website, and abuse contact.
Third-party reseller between the registrar and the domain registrant - name, email, and phone.
Details of the domain registrant - the individual or organization that legally owns the domain, including identity and contact information such as name, address, email, and phone where available.
Contact details of the administrative contact responsible for managing domain registration settings, ownership changes, and high-level domain configuration decisions.
Technical and billing contact information for the domain, including the technical contact responsible for DNS, hosting, and infrastructure operations, and the billing contact responsible for payment and invoicing details.
Contact details for the billing representative responsible for payment processing, invoicing, subscription management, and financial communication related to the domain.
Normalized registry-level WHOIS data - registrar, name servers, domain status, and raw registry output.
See the HTTP Status Codes documentation for a complete reference of common API errors and HTTP status codes.
Please pass domain param correct value e.g. whoisfreaks.com, https://whoisfreaks.com, http://whoisfreaks.com [For Technical Support: support@apifreaks.com]
Provided domain belongs to an inactive TLD. Please try to use historical whois lookup. [For Technical Support email at: support@apifreaks.com].