Apple pay: wrong billing address
Apple pay indicated that I entered a wrong billing address but I entered the correct one. I used the same billing address (I know for sure it was same because it was a saved address) on Apple's website and there was nothing wrong with that.
In app Apple Pay
App: Apple Store
iOS 8.3
iPhone 6 Plus
Credit card bank: Chase
MacBook Pro (Retina, 15-inch, Late 2013), OS X Yosemite (10.10)