It's not only for websites, though. A headless CMS usually delivers content through an API (oftentimes RESTful JSON API), which means that it can deliver content anywhere, on any device. This might immediately ring a bell in the mind of mobile app developers. Yes, headless enables delivering the same content to an iOS app and Android app from one backend – the same backend that would deliver content to the website or any other medium like print or another (CMS) system.
So, headless proves hugely beneficial for cross-platform publishing and custom user experiences. It makes publishers, designers and developers happy and, eventually, helps building better products for the public.
One of DESK's functions is that of a headless CMS. The Sundio Group case is an example of this.