Three-way invoice match

Three-way matching is the standard control for AP fraud and overbilling. PO matches receipt matches invoice. Match clean, post the bill. Match dirty, escalate. The control is universal and the control gets skipped roughly fifty percent of the time in mid-market AP teams because nobody has time to chase a missing receipt or call the vendor about a quantity discrepancy. The agent runs the match every time, drives the follow-up itself, and only escalates the cases that genuinely require a human.

Reads the invoice from the AP intake (email, portal, EDI). Pulls the PO from the ERP. Pulls the receipt from the warehouse system or the receipt photo the requester uploaded. Compares quantity, price, line item, and SKU. If the match is clean, the bill posts as a draft for the AP clerk's approval. If the receipt is missing, the agent emails the requester to upload. If the quantity is short, the agent emails the vendor or dials the vendor's AR line to ask about the discrepancy. If the price is off, the agent flags the variance and links to the PO terms.

Two places. First, in the count of invoices that get matched at all, which goes from fifty percent to ninety-five percent without adding headcount. Second, in the cycle time from invoice receipt to bill post, which drops from days to hours because nobody is waiting on a human to chase a missing receipt. The savings on the fraud and overbilling side compound on top of that and scale with the customer's spend volume.