post https://api.test.payadvantage.com.au/v3/customers//createbpayref
Pay Advantage allows your business to manage customers and their details in the Pay Advantage portal. Storing phone numbers, email addresses and notes for each customer provides a handy tool for managing your customers.
To generate a BPAY reference for an existing customer use this endpoint with the customer code.
This endpoint doesn't require any body content to be sent in the request.