Setting up subscriptions enables you to automate regular payments for your recurring products and services, straight from your dashboard.
You can find the unique ID of each subscription in the URL once you've clicked into the specific subscription.
From your dashboard, go to Payments > Subscriptions
Click on the subscription you wish to see the ID for
The subscription ID can be found at the end of the URL, e.g. dashboard.mamopay.com/manage/subscriptions/MPB-SUB-C0XXXE0XXD