Starbucks already has a hugely successful mobile payments service built into its own app, which accounts for 20 percent of all Starbucks in-store transactions. That service is connected to Starbucks’ loyalty program, meaning people who use their app to pay earn rewards in the process. Bailey declined to comment whether Starbucks customers who use Apple Pay will earn Starbucks rewards for those transactions. The coffee company previously integrated Apple Pay into its own app as a payment method, but only to refill a customer’s Starbucks Card, not to pay at the register.

http://recode.net/2015/10/08/apple-pay-will-soon-work-at-starbucks/