To change an account balance, you can enter the credit or debit adjustments. To add an arbitrary payments, your customers and resellers can enter Payment Requests.
Adjustments are used for Accounts' balance adjustment. For example, Credit Adjustment is applied if a customer was overcharged (to increase the Account balance), and Debit Adjustment is applied if a customer ordered additional services (increase the billed sum and decrease Account balance).
Automated applying of credit adjustments can be set in the same way as for offline payments: when you add a credit adjustment, you can check the Apply this payment automatically to future orders and invoices box.
And when you add a debit adjustment, the list of payments and credit adjustments with unused positive balance is offered (if any), so you can select the document to pay a debit adjustment right away.
Note: Credit adjustments are not accounted in the collected cash report.
To add an adjustment, do one of the following: