get https://rest.pay.nl/v2/transactions//status
Get the status of a transaction. You can use the EX code or the order ID to retrieve the status of a transaction. If you want more detailed information about the transaction, call the Transaction:Info API.
You need to authenticate with an AT code (as username) and the corresponding token (as password) or you can authenticate with a SL code (as username) and the corresponding secret (as password).