If you want to see how ApplePay works on macOS Sierra, @stripe has a demo
https://stripe.com/apple-pay
I’m pretty sure I didn’t give them $1?
Replying to @rtvenge
Glad you liked it! Just tweaked the demo so it's a bit more obvious that you won't be charged. 
2:58 PM - 13 Sep 2016
0 replies
1 retweet
0 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.