You can pull order from Youbeli and deduct stock in Opencart. You must set Cronjob to work. To pull order from Youbeli:

1. Go to dashboard and click Setting
   
2. Go to Order setting tab, enable the Sync order. Map the Youbeli order status to Opencart order status to deduct quantity or restock. If you don’t want to deduct stock or restock, you can set “Auto stock management” to “No”. Then, click “save”.