Citi ThankYou Rewards is a loyalty program offered by Citi that allows cardholders to earn points for their purchases. These points can be redeemed for various rewards, including travel, gift cards, and merchandise. The program is designed to benefit users of Citi credit cards, encouraging them to use their cards for everyday spending. Members can earn bonus points through special promotions and by using their cards at select retailers. Additionally, points can be transferred to various airline and hotel loyalty programs, providing more options for travelers. Overall, Citi ThankYou Rewards offers flexibility and value for its users.