Cloudflare Apps make it possible for website owners to install your tool or service.

What is a Cloudflare app?

Software that can be installed on any of the 9 million websites on the Cloudflare network. When you build a Cloudflare App, your users are any website owner on our network, We will refer to these website owners as ”users” or ”customers” for simplicity herein.

As a developer you can share your service, SaaS product, or tool by modifying requests and content of the user’s site. This can be extraordinarily powerful in enabling: JS/HTML/CSS injection, modifications of Cloudflare features such as DNS. In the Live Preview, website owners have install options to tailor your app to meet their needs.

The value of a Cloudflare app

Making your tool installable with Cloudflare offers these benefits:

• Powerful UI for building your app
• Live Preview your tool on any site without installing a thing
• Generate revenue by selling your app through Cloudflare Apps
• Showcase your app to over 13 million Cloudflare website
• Seamlessly deliver new releases and updates to your app’s customers
• Easily integrate with OAuth and other services
• Package powerful Cloudflare features such as DNS

How does it work?

The install.json contains metadata related to your app (similar to package.json in a Node JS project). It may contain user options, webhook behavior, file references, and application state. Environment variables serve as a handy reference to options and features.