JsonWhois.io

JsonWhois is the leading cloud hosted Whois API. The service serves WHOIS records for domains and IP addresses through a fully RESTful API. Additionally, the service offers IP geolocation and URL to screenshot services.

Freemium Web

WebCargo

WebCargo provides robust and responsive REST APIs across all categories, backed up with fast support and clear, pay as you go pricing tariffs enabling large bulk usage discounts.

Commercial

DomainTools

Domain name research, including comprehensive Whois Lookup, Reverse Whois Lookup and Whois History. Domain name monitoring tools and buyer/seller tools...

Freemium Web

ICANN WHOIS

ICANN (Internet Corporation for Assigned Names and Numbers) WHOIS search lets you lookup any generic domain to find out the registered domain owner and related...

Free Web

Active Whois Browser

Active Whois Browser is useful network information utility what allow finding information about owners of internet domains and IP adresses. Lookup country, persons and postal adresses of who use domain or IP address.

Commercial Windows

Bulk Whois API

Bulk Whois API is a provider of parsed WHOIS data in JSON with simple API, competitive pricing, and top notch support. We support all TLDs including new gTLDs as well as...

Commercial Web

WhoisThisDomain

Domain name lookup tool that allows you to get information about domain registration from WHOIS server.

Free Windows

EZwhois

Whois domain information such as registrar, domain status, expiration date, and name servers.

Free Windows

JsonWHOISAPI

JsonWHOISAPI provide parsed WHOIS data in JSON format made available through a REST API.

Free Mac OS X Windows Linux Web Windows Phone

JsonWhois

An API that gathers social and whois data about a domain. It can also take a screenshot of the domain and logs historical screenshots. We provide a fast and reliable...

Free Personal Mac OS X Windows Linux Android iPhone

SmartWhois

SmartWhois is a useful network information utility that allows you to look up all the available information about an IP address, hostname or domain, including country...

Commercial Windows

URL Sensei

A JSON API for getting domain whois data and taking website screenshots.

Freemium Web

Domaintally

Domain name intelligence and analytics platform that provides comprehensive insight and key metrics into any website.

Free Mac OS X Windows Linux Web

Whois.net

Whois.net is a lookup service for domain name search, registration and availability.

Free Web

ipdb.me

Domain name, IP, autonomous system research web application.

Free Personal Web

ponderworthys whois

A simple, reliable, and fast lookup, of the whois database systems, for Internet domains. Also has a lookup pulling all DNS records for fully qualified domain names.

Free Web

WhoAPI

Comprehensive API that delivers parsed Whois results, domain availability information, website screenshots, PageRank, Alexa rank, and other domain data.

Freemium Web

Who-is.xyz

Check the whois record of any domain name to find domain names available to register cheap. A domain name whois & availability checker to help you succeed.

Free Web

WhoisJson - Whois API in Json - Xml

The Whois API in JSON and XML formats aims to simplify complex data forms, accessing public information for specific domains. Sample code in PHP, NodeJS, and Java are...

Freemium Web Java Mobile