Originally Posted by
josephstern
I thought those don't work outside US and Canada. I thought only the gift cheques worked internationally. Am I wrong?
That's what I thought too but I just checked the Hyatt website and it says: *Valid in North America (includes Canada), Mexico, Caribbean, Central America and South America
OP, I would call or email the accounting dept and hotel managers to see if they can change the payment method for you. If the front desk agent messed up, that's not your fault especially since you specifically bought these cards for this trip.