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.
Detect and block access to and from dangerous domain names before malicious actors can weaponize them. Contact us today for more information.
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Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.
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Learn MoreNOTE: Email Verification API version 2 is being deprecated following the launch of version 3, which provides better stability and more accurate results. To learn more about the new version, please visit this specifications page.
Postman is a desktop and web application that allows you to make requests to an API from a graphical user interface. We recommend using Postman with WhoisXML APIs endpoints when exploring the APIs functionality, as well as when you are troubleshooting issues with your application.
The WhoisXML API Postman collection is available at the following links:
The collection includes a preconfigured environment. You will need to set up the api_key variable to fire each request. Get your personal API KEY on the My products page. If you have questions related to the API, contact us.
apiKey |
Get your personal API key on the My products page. |
emailAddress |
The email address to be verified. |
outputFormat |
Response output format. Acceptable values: JSON | XML Default: JSON |
validateDNS |
1 results in checking the email address with DNS. Acceptable values: 0 | 1 Default: 1 |
validateSMTP |
1 results in checking the email address with SMTP. Acceptable values: 0 | 1 Default: 1 |
checkCatchAll |
1 results in checking if the email provider has a catch-all email address. Acceptable values: 0 | 1 Default: 1 |
checkFree |
1 results in checking whether the email provider is a free one. Acceptable values: 0 | 1 Default: 1 |
checkDisposable |
1 results in checking if the address is disposable. Acceptable values: 0 | 1 Default: 1 |
_hardRefresh |
1 results in getting fresh data. Acceptable values: 0 | 1 Default: 0 |
timeout |
The maximum number of seconds that a request can be processed. Minimum acceptable value: 5 |
cacheEmail |
1 allows caching validation results for the faster performance. 0 enforces a strict no-cache policy. Acceptable values: 0 | 1 Default: 1 |
After Sign Up you automatically get a free subscription plan limited to 100 queries.
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