To provide credentials to live environment we ask you to make test payment's with test cards provided bellow in table. This is very important not only for us but and for you. Those tests allows to check, if all main cases are handled correctly. Please provide us your vtID (<client>) number you got for test environment and select country you have signed contract for SPP. For each test please enter merchant reference. Merchant reference is unique operation number generated by your shop and provided in field <merchantreference>.