The system has added an API - an analogue of the WooCommerce API for working with orders and the store.

The system has an API — an analogue of the WooCommerce API — which allows you to: receive order statistics, add, update and delete orders, view categories and manage products. All this is available through secure requests.
It is possible to bulk add or update products, including characteristics and varieties.

More details in the instructions: https://hotlist.biz/en/user_guide.html#hotengine-CommerceAPI