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. You can purchase any of the API Tiers below. These tiers are structured as bundled options, which provide you with a comprehensive investigation pathway.
We offer everything needed to run an online business at scale, including different tiers and associated levels of technical support. Please get in touch for details or if you need more requests than offered in "Tier 6".
Contact us at
|Tier 1||Tier 2||Tier 3||Tier 4||Tier 5||Tier 6|
|WHOIS and Bulk WHOIS||100,000||500,000||1,000,000||2,000,000||5,000,000||10,000,000||Monthly queries|
|Domain Availability||100,000||500,000||1,000,000||2,000,000||5,000,000||10,000,000||Monthly queries|
|IP Geolocation||50,000||100,000||200,000||500,000||1,000,000||2,000,000||Monthly queries|
|IP Netblocks||50,000||100,000||200,000||500,000||1,000,000||2,000,000||Monthly queries|
|DNS Lookup||100,000||200,000||500,000||1,000,000||2,000,000||4,000,000||Monthly queries|
|Email Verification||50,000||100,000||200,000||500,000||1,000,000||2,000,000||Monthly queries|
|Domain Reputation||50,000||100,000||200,000||500,000||1,000,000||2,000,000||Monthly queries|
|Website Categorization||50,000||100,000||200,000||500,000||1,000,000||2,000,000||Monthly queries|
|Website Contacts||50,000||100,000||200,000||500,000||1,000,000||2,000,000||Monthly queries|
Research and Monitoring
Note that requests to all these products are charged in DRS credits. You can use any of them within the subscription. Please hover over the to get the number of requests you can make to a given API.
|1,000||5,000||10,000||20,000||50,000||100,000||Monthly DRS credits|
You are limited to maximum 500 requests per minute for each product separately.
A comprehensive set of data feeds that contain both real-time and historic domains, Whois, DNS, IP and cyber threat intelligence datasets that are useful for efficient big data infosec analytics, forensic analysis, SIEM (security information & event management) data enrichment. Ideal when enterprise or government security policies prohibit the use of API calls outside the internal network.Learn more
While individual tool product can be purchased separately, a combo Enterprise Tool access through WhoisXMLAPI can be purchased as an annual subscription for enterprise and government customers with a combo discount.Learn more
It is also possible to purchase an individually-modified API query package – please consult
for extra pricing details.