Transaction-based marketing startup Cartera Commerce announced today that it will be powering the Rapid Rewards Shopping platform from Southwest Airlines:

“Rapid Rewards Shopping features thousands of valuable points offers from more than 700 participating online retailers. Members can use Rapid Rewards Shopping to get more out of their holiday shopping budgets — on top of online retailers’ sales and promotions — by earning points for each gift they buy.”

Members will be able to redeem points for airline tickets.

To learn more about Cartera Commerce’s transaction-based rewards platform, watch its FinovateFall 2011 demo.