Making requests | Documentation | Email Verification API | WhoisXML API

Making requests

API endpoint

GET https://emailverification.whoisxmlapi.com/api/v2?apiKey=YOUR_API_KEY&emailAddress=support@whoisxmlapi.com
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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, you can ask them here: https://main.whoisxmlapi.com/contact-us

Input parameters: required

apiKey

Get your personal API KEY on the My products page.

emailAddress

The email address to be verified.

Input parameters: optional

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

Free access

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