CMS Learn how to use Cosmic JS to power content for your CMS applications.

CMS | Cosmic JS Headless CMS


Cosmic JS offers a powerful CMS for any website or web-based application.  Install the Official Cosmic JS JavaScript Client to integrate content into your app in minutes.  Or simply use the REST API.  Get a feel for Cosmic JS by taking a spin through our apps and check out the tutorials below.

CMS Articles

Why Go API-first?
The Cosmic Stack
Three Reasons Why Agencies Should be Using a CMS API
Managing Users Who Manage Content
Cosmic Content Editor

CMS Resources

Cosmic JS Docs
Official JavaScript Client
Cosmic JS GitHub


npm i cosmicjs

Then in your JavaScript file, get your content:

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Use the Cosmic JS Headless CMS to power content for any website or app.

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