About axe DevTools HTML APIs

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Introduction to the axe DevTools HTML APIs for Node.js and JavaScript, C#, Java, Python, and Ruby.

Deque offers API bindings for web development and scripting languages including Node.js and JavaScript, C#, Java, Python, and Ruby. These APIs allow you to scan your websites for accessibility defects as part of your existing automated testing runs or continuous integration (CI) builds.

Getting Started

See axe DevTools HTML Examples for a catalog of pre-written example projects on GitHub that demonstrate how to use the APIs. You can clone these projects to start with a working example immediately. Check each project's README.md for step-by-step instructions to get started.

API Documentation

axe DevTools HTML provides a variety of language and framework support, and the following links provide documentation:

Fundamentals for New Deque Developers

If you're new to using the axe DevTools HTML APIs, there are a few topics that you might want to become familiar with before starting.


To obtain the Deque's libraries and packages, you have several options. See the following topics for more information about installation:

Accessibility Training

See Deque University for more information and training about accessibility and accessibility standards. Learning about accessibility will help you address accessibility issues earlier in the software development life cycle when it is more economical to fix them.


axe-core is the open-source library that is the foundation for all of the axe DevTools HTML packages and libraries. You can read more about axe-core in the axe-core GitHub repository.