This article presents sample flows your app can support. You aren't limited to this exact flow, but it can be a helpful jumping off point as you plan your Payment Settings integration.
A site visitor clicks on the "Place Order" button in their Wix checkout, and an online payment is required.
Wix sends a Get Payment Settings service plugin request to your app.
Your server handles the request and returns the payment settings.
Example of a payment settings response from your app:
Wix passes the payment settings to the payment provider to continue the payment process.