Generate new API key | Documentation | WHOIS History API | WhoisXML API
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WHOIS / WHOIS History
WHOIS / WHOIS History

Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.

DNS / DNS History
DNS / DNS History

Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.

IP Geolocation / IP Netblocks
IP Geolocation / IP Netblocks

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.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

Access our web-based solution to dig into and monitor all domain events of interest.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

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.

Research
Monitoring
White-Label
WhoisXML API Predictive Threat Intelligence
Predictive Threat Intelligence

Detect and block access to and from dangerous domain names before malicious actors can weaponize them. Contact us today for more information.

WhoisXML API Internet Infrastructure
Internet Infrastructure

Unlock integrated intelligence on Internet properties and their ownership, infrastructure, and other attributes.

Enterprise API Packages
Enterprise API Packages

Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.

Security Intelligence (SI) Suite
Security Intelligence (SI) Suite

Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.

Multi-Level API User Administration Now Available - Manage individual API keys for team members in your organization.

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Making requests Output format Error codes Server-to-Server OAuth
Balance information Generate new API key

Generate new API key

API endpoint

GET https://user.whoisxmlapi.com/user-service/api-key/generate?currentApiKey=API_KEY
Don't forget to re-login to reflect the newly generated API key on the website after the API call.
currentApiKey

Required. Get your personal API key on the My products page.
outputFormat

Optional. Response output format.

Acceptable values: JSON | XML

Default: JSON

Output format

{
   "apiKey": "at_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}

Output parameters

apiKey
Generated API key.

Error codes

400 Bad Request
The API key you entered does not exist or is no longer active.
422 Unprocessable Entity
Input correct request parameters.