Term Definition
Advice A transaction indicating that a transaction must either be finalised or reversed.
Confirmation Advice message indicating that a transaction has been finalised.
Downstream Message flow in the direction toward POS.
Message A sequence of data sent from one party to another.
Partner Entity who provides an application capable of scanning QR codes and who accepts responsibility for processing transactions associated with the QR code.
POS Point-of-sale. The platform at which a retail transaction is conducted between customer and merchant.
QR Code A two-dimensional graphical representation of data which can be captured and parsed using mobile applications which interface with an optical device.
Reversal Advice message indicating that a transaction must be reversed.
Transaction An exchange of data between two parties i.e. two messages exchanged between two parties.
Upstream Transaction flow in the direction away from POS.