A Rokoko Studio Enterprise subscription.
Command API Explained
The Command API allows you to send commands such as "record" and "straight pose" to Rokoko Studio through applications such Unity, Unreal Engine and the Rokoko remote app. The command API an be integrated in custom applications on any platform such as wireless triggers or smart-devices through a very simple and intuitive RESTful API.
Examples and detailed instructions for utilising the Command API can be found here.