Reserve and release partial amount
Release of reserved amount after split capture
If you need to release a reserved amount after a split capture, you can use the method Refund charge. It would be more correct to say that it is a specific charge that is being refunded, and therefore you always need a charge identifier when doing a refund. A charge can be fully refunded or partially refunded.
A release of reserved amount after a split capture requires the
amount to be specified. A partial refund requires a complete order specification. Here follows an example of a release a reserved amount after a split capture: