https://learn.microsoft.com/en-us/uwp/api/windows.services.store.storecontext.getconsumablebalanceremainingasync?view=winrt-28000
StoreContext.GetConsumableBalanceRemainingAsync(String) Method (Windows.Services.Store) - Windows...
Gets the remaining balance for the specified consumable add-on for the current app.
windows servicesstringmethodstore