Web control Arduino Yun Question

I have a Question Can I use the web that not inside the sd card (i.e my PC as a web server) to send request to the MY Yun and control it using REST API. If it is work please give me some suggestion
how to do it? Thank you for reading my post.

FYI

Yun has build in REST API.

Example:

The reason bypass Yun's REST API? speed? scaleable?