1

Retrieve filtered list of invoices

Start by retrieving a list of invoices by calling GET /invoices and applying the appropriate filters, for example invoice date, invoice status and payment status, to give your end users an overview of unpaid invoices.
2

Show invoice and customer details

When the end user has selected a specific invoice, present all the invoice- and customer details by calling GET /invoices/{id} and /customers/{id} , such as line items on the invoice or the customer’s postal address.
3

Process selected invoices

Allow the end user to mark the selected invoice(s) for processing and show them as being processed in the UI.