Have you read this article?
It explains how to access the Aimeos data from a Laravel controller.
Help for integrating the Laravel package
Forum rules: Always add your Laravel, Aimeos and PHP version as well as your environment (Linux/Mac/Win)
A site is defined by its siteid value and that depends on the site code you feed into the bootstrap method of the locale manager to set the locale item in the context object. The order manager will then fetch all orders that match the siteid value from the locale item.