The PAYONE platform provides an asynchronous way of notifying your system of changes to a transaction. We call these notifications "TransactionStatus".
We have summarised all Transactionstatus Notification responses and also some samples here.
The PAYONE Platform API is designed for key-/value-pairs. However you may use the PAYONE API with JSON-responses as well.
Here you’ll find a table with the original Response-parameter and the JSON-structure/-element.JSON responses, examples