#1 Website Categorization API | Whois XML API

Define website category at once

Our machine learning-based Website Categorization API engine retrieves the website content and meta tags, extracts texts and assigns categories based on natural language processing.

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100 free requests monthly. No credit card required.

Benefits

  • Relevance

    By using a combination of advanced machine learning and human assistance, we categorize 4+ millions of web pages daily.

  • Compatibility

    You can also combine Website Classification API with our Domain Research Suite so as to get enhanced WHOS records or registration details including contact information, registrant details for any/all of the 25 categories.

  • Precise

    We support over 25 categories and are constantly adding new ones to the list. If you are looking for a certain category that we don’t currently have, feel free to send us a feature request.

Practical usage

Brand Protection & Marketing

Brand Protection & Marketing

Prevent potential damage to your brand image by monitoring references in unwanted categories. Ensure media placements are always aligned with the brand image.

Contextual Targeting

Examine the content of a page to determine the context in terms of brands, topics or keywords, simultaneously providing a rich data source to buyers for reaching target audiences and to publishers for monetizing their inventory.

E-commerce

Identify profitable opportunities. Generate and qualify leads based on your top performing customer profiles.

Malware Detection & Content Filtering

Investigate threats at the URL and identify malicious activities such as malware, phishing, fraud, and spyware.

You can easily block bad content within your application, appliance or company network. Just query our API with the requested URL and reject it if the categories are not part of your "approved" list.

Malware Detection & Content Filtering
Data Integration

Data Integration

Build your own products and enrich them with our high value data. Every API response is returned as a JSON which can be easily read and implemented into your product.

Website Categorization API

Website Contacts & Categories Database

We provide a daily updated well-structured database domain names classified into 25 different categories with their owner contact information. Every day we parsed more than 4 million websites.

Learn more about Database
Website Categorization API

Get 100 free requests monthly. No credit card required.

Get started

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Enterprise API Packages

API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.

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Have questions?

We work hard to improve our services for you. As part of that process, we welcome your feedback, questions, and suggestions. Please let us know about your thoughts and feelings, and any way in which you think we can improve our product.

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