Making requests | Documentation | Email Verification Bulk API | WhoisXML API
Products APIs Data Feeds Web Tools Domain Research & Monitoring Enterprise Packages
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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Bulk API docs Integrations Pricing Blog
API usage rules Making requests Create a new request Get a list of your requests Get request's status Get results (processed emails) Get results (Invalid and failed emails) Error codes Server-to-Server OAuth

Making requests

API endpoint

POST https://emailverification.whoisxmlapi.com/api/bevService/

In order to check lists of emails with the Bulk API, first upload the emails to the server which will create a verification request and return its ID to you. Then you can use this ID to query the request's status, download results etc.

The API expects parameters to be JSON-encoded in the body of each request.

Postman collection

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.

Headers

Content-Type

application/json