How to get the End User integrated Wallet cryptocurrency balance?
Use case
As an End User, I want to check my XTZ balance before placing an order in XTZ.
As an End User, I want to check my XTZ balance before topping up my Wallet.
This step is highly recommended (to display important information for the End Users) but not mandatory.
API
Here is the link to the API documentation to get an End User XTZ balance: