# Documentation

Welcome to Cosmic JS! Learn how to use the entire Cosmic JS toolkit and explore features.

REST API

Integrate your content using the Cosmic JS NPM module or directly to the REST API.

GraphQL API

Use the GraphQL API to get only the data you need and nothing you don't.

CLI

Use the power of Cosmic JS from the comfort of your command-line tool.

Functions

Deploy code without having to manage server infrastructure.

Webhooks

Make external requests when events occur in your Bucket.

Extensions

Connect to third-party APIs and create custom views within your Bucket.