API Premium!

Premium Subscribers get access to a whole host of specialist readability tools, including the Readability API, from as little as $27 per month!

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  • Readability API
  • Unlimited Text Readability
  • File (Word Docs, PDFs, etc) Scoring
  • Bulk Text Readability
  • Bulk URL Readability

"Great Tool for Writers, Speakers, Trainers, Coaches"

Holly Scherer, Author and Speaker

Getting Started

Welcome to the API!

The API is available only to Business-level subscribers.

We recommend starting by taking a look at the API Documentation. Once you're happy with how the API works, you will need to create your API Key(s). You can also monitor your API usage.