Credit Card Breakdown -- Changes in Rewards

American Express

Membership Rewards

Maximum transfer fee for points to a U.S. airline loyalty program increases to $99 from $75.

Blue Cash

Rebate on all purchases except everyday ones (i.e. gas) decreases to 1.25 percent from 1.5 percent. Starting in September, customers who make a late payment will lose any reward points earned that month. Reinstatement will cost $29 a month.

Discover

Cash-back incentive

Cut one of its program tiers.

Citi

Travel program