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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 v1.0 of the API.
The following parameters can be used in your API requests. All parameters are passed as query string parameters.
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.
domain_registrarRegistrar information
reseller_contactThird party between the registrar and registrant.
registrant_contactContact details of the domain's owner.
administrative_contactContact details of the domain administrator.
technical_contactContact details of the technical person.
billing_contactContact details of the person handling billing operations.
name_serversName servers of the domain.
domain_statusStatus of the domain.
whois_raw_domainRaw WHOIS data for the domain.
registry_dataRegistry data of the domain.
Each domain_registrar object contains the following fields:
iana_idThe IANA (Internet Assigned Numbers Authority) ID of the registrar managing the domain.
registrar_nameThe name of the registrar managing the domain.
whois_serverThe WHOIS server of the registrar.
website_urlThe website URL of the registrar.
email_addressThe email address of the registrar contact.
phone_numberThe phone number of the registrar contact.
Each reseller_contact object contains the following fields:
nameName of the reseller.
email_addressEmail address of the reseller.
phonePhone number of the reseller.
Each contact object contains the following fields:
nameName of the person.
companyName of the company.
streetStreet name.
cityCity of the responsible person.
stateState of the responsible person.
zip_codeZip code of the responsible person.
country_nameCountry name of the responsible person.
country_codeCountry code of the responsible person.
email_addressEmail address of the responsible person.
phonePhone number of the responsible person.
Contains the following fields:
domain_nameName of the domain.
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_registryRaw WHOIS data from the registry.
domain_registrarRegistrar information
domain_registrar.iana_idThe IANA (Internet Assigned Numbers Authority) ID of the registrar managing the domain. This unique identifier is assigned to domain registrars by the IANA to ensure their recognition and regulation in the domain name system.
domain_registrar.registrar_nameThe name of the registrar managing the domain.
domain_registrar.whois_serverThe WHOIS server that provided the domain information.
domain_registrar.website_urlThe website URL of the registrar managing the domain.
domain_registrar.email_addressThe email address of the registrar contact.
domain_registrar.phone_numberThe phone number of the registrar contact.
The API uses standard HTTP status codes to indicate the success or failure of requests. For common status codes like 429 (Too Many Requests), refer to the general API documentation.
We are not providing the whois of provided domain extension
Provided domain belongs to an inactive TLD. Please try to use historical whois lookup.
Unable to fetch whois data.