Question: how to transfer money from one bank to another using apple pay?
Answer: Go to your card info: On iPhone: Open the Wallet app, tap your Apple Cash card, then tap the more button . ... 
Tap Transfer to Bank. ... 
Enter an amount and tap Next.
Tap 1-3 Business Days. ... 
Confirm with Face ID, Touch ID, or passcode.
Wait for the money to transfer.