Making requests | Documentation v2 | Website Categorization API | WhoisXML API

Making requests: API v2

  • End of Service (EOS) - After February 29 2024, our development team will stop providing fixes and technical support for V2.
  • End of Life (EOL) - After May 31 2024, V2 will be discontinued and queries will no longer be served

Please note that credits purchased for Website Categorization API V2 are fully compatible with Website Categorization API V3, which uses an enhanced website categorization model, is more stable, and introduces new output data.

API endpoint

GET https://website-categorization.whoisxmlapi.com/api/v2?apiKey=YOUR_API_KEY&domainName=bbc.com
It takes up to a minute to activate your account after the registration.

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.

Input parameters

apiKey

Required. Get your personal API KEY on the My products page.

domainName

Required. The website's domain name.

minConfidence

Optional. The minimum confidence for the predictions.

The higher this value the fewer false-positive results will be returned.

Acceptable values: 0.00 - 1.00

Default: 0.55

outputFormat

Optional. Response output format.

Acceptable values: JSON | XML | CSV

Default: JSON

Free access

After Sign Up you automatically get a free subscription plan limited to 100 queries.

Usage limits and requests throttling

The maximum number of requests per second is 30. In case that the limit is breached, your subsequent requests will be rejected until the next second.

This API is also available with a dedicated load balancer and premium endpoint to enable faster querying as part of our Premium API Services and Enterprise API Packages.