Create a new request | Documentation | Email Verification Bulk API | WhoisXML API
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WHOIS / WHOIS History

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

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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.

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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.

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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.

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Internet Infrastructure

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

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Enterprise API Packages

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

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Security Intelligence (SI) Suite

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

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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

Create a new request

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

CURL request sample

curl https://emailverification.whoisxmlapi.com/api/bevService/request -X POST -H "Content-Type: application/json"  -d '{"apiKey": "YOUR_API_KEY", "version": 3, "emails": ["alex@hotmail.edu", "bob@google.com", "mila@yahoo.com"], "format": "json"}'

POST request body sample

{
    "apiKey": "YOUR_API_KEY",
    "version": 3,
    "emails": [
        "alex@hotmail.edu",
        "bob@google.com",
        "mila@yahoo.com"
    ],
    "format": "json"
}

Input parameters

apiKey

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

Required. Array.

Contains array of email addresses for verification.
version

Optional. Number.

Defines the version of the Email Verification API to be used.

Allowed values: 2 and 3.

Default value: 2. Please use version 3 of the API after April 30, 2024.

NOTE: 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. After April 30 2024, the v2 API will be discontinued and queries will no longer be served.
format

Optional. String.

Used to specify the response format.

Allowed values: "xml", "json", "csv".

Default value: "json".

Sample output

{
    "response": {
        "id": 5
    }
}

Code: 200 OK.
{
    "response": {
        "errors": [
            "The format field should have one of the following values: json, xml."
        ]
    }
}

Code: 400 Bad Request.
{
    "response": {
        "error": "Authorisation or authentication failed"
    }
}

Code: 401 Unauthorized.
{
    "response": {
        "error": "Insufficient balance"
    }
}

Code: 402 Payment Required.
response

The response object.

Contains the integer 'id' field on success.

In case of an error it contains its description in the 'error' field. If there are multiple errors their descriptions are returned in the 'errors' array.
id

Integer.

Newly created verification request ID.
error

String.

Error description.
errors

Array.

Multiple error messages.