Build Apps Faster API-first CMS for building content-powered apps in any programming language.

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Developers at successful companies choose Cosmic JS

For Developers


Cosmic JS offers an intuitive API that can deliver content to any website or application. This gives you the freedom to build your application using any programming language and allows for easier scaling within your development team.

Developer tools and features are offered as valuable time-savers during the development process. It's easier than ever to manage your project from the first line of code, to content population, to launch day.

For Content Editors


Cosmic JS offers a streamlined editing experience that gives you everything you need to publish content quickly and easily. Since there is no CMS installation, you can easily build content in any phase of development and avoid unnecessary process bottlenecks.

Add rich text, drag and drop media and upload video. Set roles and permissions for easy content collaboration within your team. Content management is faster, easier and keeps the project on track.

What Can You Create?


Start your blogging career with this app that allows you to charge users on a subscription basis, for your premium content.  Simply install the app, add your Stripe keys, then deploy to the Cosmic App Server (or your chosen hosting solution).

Premium Content Blog

An event management app built using AngularJS and Cosmic JS.  Users can sign up, add events and browse events submitted by other users.

Events App

How well do you know your famous quotes and emojis?  Find out with this emoji game built using Angular JS, managed by Cosmic JS.  Instructions: Drag and drop emojis to complete the quotes.

Angular Emoji Game

A simple landing page for lead email capture to MailChimp.  Install, deploy and begin capturing email addresses in minutes.

Email Capture

A simple blog for the traveler and story teller.  Easily add and edit authors, create blog posts and assign categories.  Deploy this app in minutes to begin documenting your journey.

Simple Blog

This beautiful PHP single page website is adapted from a theme at html5up.net and uses the easy to install Cosmic JS PHP Client.

Astral

Product Tour


People Have Said...

Cosmic JS removes many headaches by just working, right out the box. Plus, it is blazingly fast!

Application Developer, Digital Agency, London, UK

A more intuitive API than any other API-based CMS out there.

Software Engineer, Creative and Interactive Agency, Sydney, AUS

You can build a pretty complex CMS and API in about 10 minutes with Cosmic JS.

Director of Digital & Emerging Media, The Smithsonian Design Museum, New York, NY

Next time I need to build a CMS I'll definitely replace WordPress with Cosmic JS and slap a React front end on it.

Developer, National Magazine, Sydney, AUS

Cosmic JS makes me continuously say, where have you been all my life!

Software Engineer, Interactive Agency, Pennsylvania, USA

Cosmic JS totally rocks!

iOS developer, Interactive Agency, New York, NY