Joomla API Controller Discovery

I need help identifying the controller for a particular route in my Joomla application. Specifically, we're focusing on the API endpoint related to reservations.

Here's what I need:

- Identify which controller governs the API endpoint associated with orders.
- Verify and report how this controller manages the updating of order status.

Ideal skills for this project:

- Hands-on experience with Joomla application structure.
- Sound knowledge of APIs, PHP Frameworks especially in the context of Joomla.
- Proven ability to trace, evaluate, and explain code behavior in PHP and Joomla.

This job demands a detail-oriented professional familiar with navigating Joomla's structure. Please respond with proof of your relevant experience and capabilities. Looking forward to a successful collaboration.
Here is the route:
?option=com_api&app=vikrestaurants&resource=reservation&format=raw&type=restaurant&action=confirm&id={id}