Apple pay certificates:
https://developer.apple.com/help/account/create-certificates/certificates-overview
Apple pay identifiers:
https://developer.apple.com/help/account/configure-app-capabilities/configure-apple-pay
Apple Pay certificate creation:
Below is the link to create certificate for apple and there is a step by step process.
https://developer.apple.com/help/account/create-certificates/create-developer-id-certificates
After going this link:
Apple Pay Plugin Guide:
I am using this code to create the apple pay plugin. Below link is for GitHub directory.
https://github.com/samkelleher/cordova-plugin-applepay
Below method we are using for apple pay:
Payment flow full example and response is given in the above link.
Enable apple pay in Apple store for your app:
https://developer.apple.com/library/archive/ApplePay_Guide/Configuration.html