1. Add through the payzy application (recommended).
From the main menu of the payzy app, select cards and then the card of your choice (in case you don't have a payzy card you will need to issue virtual ).
Under the card there will be a "Add to Apple Pay" button, which you will need to select. (If this option is not available then you will need to install the "Apple Pay" app on your device).
It then redirects you to Apple Pay, where you start the card integration process.
a) You select "Add".
b) Enter address details if none exists. In case there is already an address filled in, you can check it and select "Continue".
c) Select "Accept" for the terms of use.
d) Then the card details are processed.
The addition is completed successfully.
2. Adding through the Apple Pay application.
a) You select the Apple Pay application.
b) Select "+ Add to Pay".
c) You fill in your payzy card number, expiry date, cvv and billing address.
d) Then google shows you the terms of use, which you have to accept (more → "Accept").
Finally, to verify your identity, you can choose to send sms to fill in a confirmation code or call payzy (sending sms is recommended).
You receive the code, fill it in the corresponding field and select "Continue".
On successful completion of the process it shows you that your card has been added.