Payment automation is the last stage of payables and the one most often conflated with the rest of it. It covers scheduling approved invoices into runs, executing the transfers, and sending remittance advices. It does not decide whether an invoice should be paid, which happened earlier at approval, and it does not verify that money is owed, which happened earlier still at the match.
What it actually does
Groups approved invoices by due date and supplier, produces a payment run, executes it through your bank or a payment provider, records the payment against each invoice, and sends a remittance advice so the supplier can allocate it. All of that is mechanical and repetitive, which is why automating it is straightforward and reliable.
The control that must not be automated away
Somebody other than whoever prepared the run should release it, and bank detail changes should be verified through channels you already hold rather than the one the change arrived on. Automation makes these enforceable; it must not make them optional. The largest single loss in payables comes from a convincing request to change where money goes.
Choosing the rhythm deliberately
Weekly runs suit most organisations: more often adds administration, less often adds a wait suppliers experience as slowness. Whatever you choose, choose it rather than inheriting it, and tell suppliers, because most chasing calls are a supplier trying to establish when they will be paid.
Questions people ask about what is payment automation
Is payment automation the same as AP automation?
It is the last stage of it. AP automation usually covers capture, matching and approval as well, and the earlier stages are where most elapsed time sits.
Does it work with any bank?
Most support common file formats or direct integrations, but check yours specifically, including how payment confirmations come back.
What about international payments?
They add currency, fees and slower settlement. Worth testing during evaluation if you make them regularly rather than assuming parity with domestic runs.