Apple provides a range of methods to authenticate your payments via Apple Pay.
If you would like to turn off Touch ID and pay with your passcode instead:
Open your iPhone settings
Tap Touch ID & Passcode
- Enter your Passcode
Under the header Use Touch ID For toggle off Apple Pay
You will no longer be prompted to use Touch ID to authenticate your payment.
When you're ready to make a payment with the passcode:
Open Apple Wallet and select your Weel card
Tap Pay with Passcode and enter your device passcode
Hold your phone near the reader and your payment will complete