Why the AP Portal Needs to Be Handled Better by AR Software: Our Viewpoint Series Ask most finance teams how their invoices reach a customer, and they'll describe a delivery choice: email, EDI, or a portal, depending on what the buyer wants. That framing is the problem. Email and EDI are transport. A portal is a gate - and gates say no. An invoice sent by email either arrives or it doesn't; a delivery failure is apparent and immediate. An invoice submitted into a customer's A