The present disclosure relates generally to managing rewards associated with use of a credit account and comprising receiving an electronic message indicating use of a credit account to make a purchase and indicating a value of the purchase. An accumulated rewards value comprising a portion available for wagering and a portion unavailable for wagering can be updated by incrementing the portion unavailable for wagering based on the value of the purchase. The portion unavailable for wagering can be decremented and the portion available for wagering can be incremented based on the value of the purchase. An electronic message indicating an amount of a wager placed by the user on a gaming event can be provided and the portion of the accumulated rewards value available for wagering can be decremented based on the amount of the wager.