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Mux is an API-first video service that helps you provide the highest quality videos to your users. By installing the Mux Videos Extension, you will be able to upload videos directly to Mux from your Cosmic JS Dashboard. Use the saved Mux Video URLs in your content to deliver the highest possible quality video experiences to your end users. As a bonus, I’ll show you how to create your own Cosmic JS Extension to connect to your favorite API services in your application.