to exchange, to redeem
Decidieron canjear los prisioneros.
They decided to exchange the prisoners.
Quisiera canjear un cheque de nómina.
I would like to cash a payroll check.
— Atrápame si puedes (2002)
Por favor, ¿Podría canjear estos cheques de viaje?
Please, could you redeem these traveler's checks?