Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.
Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.
Get detailed context on an IP address, including its user’s geolocation, time zone, connected domains, connection type, IP range, ASN, and other network ownership details.
Access our web-based solution to dig into and monitor all domain events of interest.
Get access to a web-based enterprise-grade solution to search and monitor domain registrations and ownership details for branded terms, fuzzy matches, registrants of interest, and more.
Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.
Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.
Enjoy priority data access with our premium API services topped with extra perks including dedicated team support, enterprise-grade infrastructure, and SLAs for full scalability and high performance.
Carry a complete threat intelligence analysis for a given domain or IP address and get access to a report covering 120+ parameters including IP resolutions, website analysis, SSL vulnerabilities, malware detection, domain ownership, mail servers, name servers, and more.
Gather threat intelligence via API calls covering Domain’s Infrastructure analysis, SSL Certificates Chain, SSL Configuration Analysis, Domain Malware Check, Connected Domains, and Domain Reputation Scoring.
Bolster enterprise security with our feeds covering Typosquatting domains, Disposable domains, Phishing URLs, Domain & IP reputation, Malicious URLs, Botnet C&C, and DDoS URLs.
We offer comprehensive services for the integration of our data – from consultations to the precise definition of the basic needs of the business to increase the work efficiency.
Set up and manage public WHOIS servers for your business. Our WHOIS parsing system is a utility that collects extensive information about any given domain by sending series of DNS and WHOIS queries. The report is generated in raw as well as in parsed format.
Regardless of whether you are a startup, a small business or a global one, our team is always ready to help you. Enterprises operating on a scale can also choose special premium support management with high priority 24/7 email and telephone responses and other professional services.
Get customized reports on TLDs covering datasets falling under domain name, WHOIS and DNS category.
Regardless of whether you are a startup, a small business or a global one, our team is always ready to help you. Enterprises operating on a scale can also choose special premium support management with high priority 24/7 email and telephone responses and other professional services.
Join more than 50K satisfied customers
Get the right answers when you need them with premium support, which is designed for fast-growing or complex enterprise businesses that have minimal interruption tolerance. You will receive the fastest email and phone response from an expert who knows your specific environment.
Whois API Customer Support Services ExhibitSkip the queue and get faster responses to every question on email and phone. Highly-trained professionals available 365/24/7 to help organizations respond rapidly.
Get technical assistance to solve business critical issues during major updates, software migration, and other tasks to ensure your organization runs smoothly.
Enable your IT department to focus on core tasks, without being confronted by issues.
WHOIS API provides customers with technical support services as an annual subscription in accordance with the support tiers as defined below.
Severity level 1
Severity level 2
Severity level 3
Severity level 4
Response time
Business hours*
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Support access
Response time
Business hours*
Business hours*
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Support access
Response time
Higher priority**
Higher priority**
Support access
Response time
Higher priority**
Higher priority**
Support access
* Whois API personnel will work on resolution during business hours, which are generally defined as 11:00 AM to 4:00 PM PST, excluding holidays and weekends.
** Whois API personnel shall work on it during normal business hours with heightened priority until resolution.
Whois API support staff will make commercially reasonable efforts to resolve material, reproducible bugs in the services provided, as reported by Customer (“Technical Support”). Reported bugs must be reproducible using the services as provided to Customer by Whois API. Customer must provide all support and information reasonably necessary for the bug’s reproduction, such as hardware and operating system information, and software logs. Customer may report such bugs to Whois API by e-mail and/or phone in accordance with the selected plan level.
Whois API shall have no obligation of any kind to provide assistance to Technical Support with regard to any problems in the operation or performance of services caused by any of the following customer-generated errors:
If it is necessary to provide Technical Support for a problem caused by a Customer-Generated Error, Whois API shall notify Customer of it as soon as Whois API is aware of suchCustomer-Generated Error, and WHOIS API shall have the right to invoice Customer at Whois API’s then-current time and materials rates for all such Technical Support performed,and Customer shall agree to settle this invoice.
All Support is provided in English.
Our APIs are available in an enhanced version that offers better performance with a dedicated load balancer and a premium endpoint to enable faster throttling for large-scale API deployments.
Learn moreAPI 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.
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