Set up a merchant account with a payment provider that supports Apple Pay
Enable Apple Pay in your payment gateway or processor dashboard
Verify your business and complete any required merchant registration
Add the Apple Pay merchant identifier to your account
Configure your website or app to support Apple Pay
For websites, add the Apple Pay domain and verify it with Apple
For apps, enable the Apple Pay capability in Xcode
Use Apple Pay APIs to present the payment option at checkout
Test the payment flow in a sandbox or test environment
Go live after confirming successful authorization and settlement