What Is the Best Cashback Credit Card in Canada? Cardholders with cashback rewards cards enjoy bonuses when they make everyday purchases. Cashback rewards are either cash or points that can be redeemed at an online marketplace run by the card issuer. Different cash-back credit cards have different rewards options. Choosing the best credit card depends on a variety of factors, such as your spending habits, your ability to make the full monthly payments, and the annual fees.