Get a summary regarding transactions and the balance of the connected account from this Insights Product. Inside this API: Transaction and Balance Summary API, you will be able to see the Average Balance, Ending Balance, Income Source Data, and Expenses Destination Data

Transaction and Balance Summary API

This endpoint should be integrated on your server where you want to retrieve Beginning balance, Daily Balance, Average balance, Ending Balance, Income Sources Data, and Expenses Destinations Data for every months.