ZipWhois provides a service that enables users to retrieve WHOIS data from a domain name or IP address. The HTTP accessible API can take messy WHOIS data and return it in a unified JSON format so that consumers can easily determine the users or assignees behind an internet resource. The ZipWhois API can also be used to check the domain availability of supported top level domain names. As the ZipWhois API is currently in beta, all requests to the API are free. ZipWhois will likely incorporate paid subscription plans once v1.0 is released.
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