Find out all you have to know
about the history of a domain name's
Historical WHOIS records
of data crawling
This API will allow you to view relevant historical WHOIS records – and find out how a domain's ownership was changing. For the past 10+ years, we have been tracking WHOIS histories of hundreds of millions domains. These changes are parsed, processed and safely stored in our database – so as to be accessible by our WHOIS History API.
Use WHOIS History API to look up the currently hidden secrets and identify an attacker’s historical footprints — before privacy records.
Investigate the last public record to uncover how a domain's ownership has changed. Use WHOIS History API to do in-depth research on a domain’s past and avoid potential liabilities.
Get in-depth insights on your customer base. Use WHOIS History API to conduct statistical and market share analyses to improve marketing strategies, zoom in on the right markets, and identify untapped opportunities.
Find out who is committing online fraud or attacking the network. Use WHOIS History API to help identify an attacker.
Enterprise API Packages
API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.Learn more
We work hard to improve our services for you. As part of that, we welcome your feedback, questions and suggestions. Please let us know your thoughts and feelings, and any way in which you think we can improve our product.
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