Try the Keyword Research Tool. Get Search Volume, CPC, difficulty and more..      

Keyword Density API

The keyword density API is developed to help you calculate the keyword frequency and density. After parsing the content and calculating keyword frequency & density (for one, two and three word phrases) the API returns the data in JSON format.

Keyword Density API

To guarantee high quality output, the keyword density API applies a number of intelligent automated filters:

  • Language specific stopword filter
  • Irrelevant HTML sections are removed (header, head, script, style..)
  • Reading and writing characters are removed (?, >, /, …)
  • Manually apply user defined filter keywords (optional and depends on your own input)

How to use the API

View documentation View Plans & Pricing



Possible tasks to perform with the Keyword Density API.

  • Quickly build your own keyword density tool or report, with the API.
  • Discover how competitors in search optimize their content.
  • Automatically extract the most important keywords from a webpage
    • Extract focus keywords and or,
    • Perform automated content labeling / categorization.

Pricing plans

Pricing for the API starts at $75 USD p/ month.

API PlanPricing
API Lite$75 /month
API Standard$175 /month
API Advanced$450 /month

View documentation View Plans & Pricing

Your Benefits

  • Get real-time results from the API.
  • You get personal support, I’m your technical support guy!
  • Get accurate results.
  • Get access to a scalable data platform.
  • All data is transferred over a secure connection.
  • Simple and straightforward pricing plans.

Save valuable time and automate manual process with the help of the keyword density API.

Please share SEO Data

Seen on …

Numbers and stats


Registered Members

9.3 / 10

Avg. tool rating


Monthly visitors


Returning visitors

SEO Chrome ExtensionGet the new Chrome Extension!

SEO REVIEW TOOLS = built with in the Netherlands {Grunn'}!

Chrome extension

SEO Review Tools for Chrome is a Free extension which allows you to quickly check the URL you're visiting, with one of these 60 SEO tools.

Download now!

SEO Review Tools for Chrome