Reminding someone about a past due invoice can be an awkward situation. Rather than having to call or email directly, you can use a simple reminder tool in Paypal to do it for you. The message is automated and, for some clients, the gentle non-personal nudge can get you paid sooner.
Once logged into Paypal, on the top horizontal navigation menu, go to Tools, then Invoicing. This brings you directly to the Manage Invoices section where you will click the “Unpaid” tab: