It is possible to automatically retrieve settlement data from Paytrail using the Merchant API settlements. The data is available in JSON-format and the interface can be used to retrieve settlement reports in order to process the data into a bookkeeping application.
Merchant API settlements offers data about settlements made during a specified time intervall, about payments and refunds included in a specified settlement as well as about a specified payment.
The interface description is available here: http://docs.paytrail.com/en/ch05s08.html
Should you have any questions regarding the implementation of the interface, please contact our technical support: firstname.lastname@example.org or +359 20 7181831