ProcIndex Blog

AP Automation: How to Choose and Test a Workflow

Find the invoice queue worth automating, compare AP software on your own bills, and set pilot rules for matching, approvals, and ERP posting.

Accounts payable (AP) automation can read invoices, check them against purchase records, route them for approval, and prepare bills for posting. You can buy help for one of those steps. Start by finding where the work actually piles up.

Pull a few bills that took too long to pay and follow them from the inbox to the ledger. If AP spent the afternoon copying fields from PDFs, test invoice capture. If the bills spent a week waiting for a receipt, follow the handoff to receiving. A better PDF reader leaves that wait exactly where it was.

Decide what the software should do with each bill

Where the work piles upWhat to testWhat to check before giving it authority
AP retypes invoicesExtract bill data and prepare a draftReview vendor, entity, invoice number, currency, and tax against the original PDF
AP chases receiptsCompare invoice lines with the purchase order and receiptHold an invoice when the supplier bills for a delivery the warehouse has yet to record
Approvals get lost in emailRoute a bill by your approval policyTry a split bill, an absent approver, and a bill edited after approval
Bills appear twice in the ledgerCheck for an existing bill before posting or retryingSubmit a forwarded copy and simulate a timeout after the accounting system accepts the write
Bank activity and payments take time to tie outSuggest links between cleared transactions and recorded paymentsReconcile one bank debit that covers several bills and leave ambiguous items for review

Invoice capture gets the fields off the page. Matching asks whether the company agreed to buy the goods or services and whether the required evidence is on file. Approval gives someone authority to accept the expense. Payment release moves money. Ask vendors to point to the exact step their product controls.

Watch a partial delivery go through the demo

Suppose purchasing ordered a shipment in two installments. The warehouse records the first delivery, and the supplier invoices for the whole order. A check against the purchase order alone can look fine. Adding the receipt makes the gap visible. For items that also require inspection, Oracle’s four-way approval checks the accepted quantity as well. Verify how your own accounting system records each step and what your policy allows AP to release. Oracle’s match approval documentation.

Give the vendor a redacted version of that bill. Ask them to show the exact line that failed, the receipt they used, who gets the hold, and what happens when the second delivery is recorded. Then ask for the accounting record and the history of any override. A status that says “exception” leaves AP to investigate from scratch.

Compare tools against the same work

Ask each vendor to process the same sample. Include a clean purchase-order bill, a non-PO bill split between departments, a credit, and the partial delivery. Add one invoice with a supplier name shared by two entities if that happens in your books. Have the person who works the queue judge the result.

Check which approval and matching controls your accounting system already provides. A dedicated capture tool may be enough if those controls work and entry is the bottleneck. A separate AP workflow can help when AP still has to collect evidence and route decisions across teams. If a vendor proposes AI-assisted coding, ask it to show which fields were inferred, how staff correct a bad suggestion, and whether a correction can alter an approved bill.

Price the work that will still be there

Get a written quote for the entities, volume, and connections in scope. Ask how the vendor counts credits, resubmitted documents, and invoices that end in manual review. Find out who maintains the rules when a department reorganizes or a supplier changes its invoice format.

Measure staff time on the same kinds of bills before and during the pilot. Include the time spent repairing a failed sync and reviewing uncertain results. Hours returned to the team are useful capacity. Put them in the cash case only when you can name a cost the company will avoid. The AP pricing and ROI guide has a quote checklist and an editable worksheet.

Agree on when the pilot can expand

Pick one queue AP can compare against its existing process. Keep payment release under the current controls. Review proposed decisions before turning on writes, then reconcile each live write to a bill in the ledger. If a retry can create a duplicate or a held bill can slip into a payment run, fix that case before increasing volume. Use the AP rollout checklist to assign owners and record the expansion decision.