Apple Pay doesn't show up for me in the App Store
According to this page:
https://support.apple.com/en-us/HT202631#uscanada
Apple Pay is supposed to be a payment option for the App Store. However, the only options for me are Credit and/or Debit card or Paypal. My Apple Pay is setup and works fine. I'm in the US so region is not an issue.
iPhone 11 Pro, iOS 13