We have a client with a similar need, so we developed a small application which will take a csv as input, and automatically apply the payments to quickbooks des...
If I understand your question, our applet only applies payments to existing invoices, which sounds like your use need. So for our application, our customer may ...
One other thing you can do before our call is send me a sample file of what you receive from your customer(s). We can then review it to determine what will be r...