Quick answer
Settlement is the step where money actually moves between the banks involved, so the payment is complete and final. Some systems settle each payment on its own at once, such as Fedwire Funds, whose transfers are final and irrevocable[1]; others settle in batches, like ACH, four times a day[3].
Key points
- Settlement is when funds actually move between banks; approval and clearing come earlier.
- Gross settlement handles payments one by one; batch systems settle many payments together at set times.
- Large-value systems such as Fedwire Funds and the euro area's T2 settle in central bank money with immediate finality.
On this page
#How is settlement different from authorisation and clearing?
In a card payment, authorisation is the instant yes or no, clearing is when the parties exchange and confirm the final details, and settlement is when money actually changes hands between the banks. That is why a payment can look done in your app while the money is still on its way. Bank transfers have the same idea: your instruction is sent first, then the banks settle.
#What kinds of settlement exist?
In real-time gross settlement (RTGS), each payment settles individually and immediately. The Federal Reserve describes Fedwire Funds as an RTGS system whose transfers are immediate, final and irrevocable once processed[1]. The European Central Bank says its T2 system settles payment orders one by one on a continuous basis in central bank money, with immediate finality[2]. In batch systems, many payments are grouped and settled at set times; Nacha says the US ACH network settles four times a day[3]. Instant payment systems aim for settlement within seconds, any time.
Worked example
Example
A café takes 120 card payments averaging €5 on Monday. Each was authorised in seconds at the till, but the café's acquirer submits the day's batch and the money settles later, so the café receives one combined payment, minus fees, after settlement. 120 × €5 = €600 of sales (calculated with code) arrive as a single settled amount, not 120 separate deposits.
- Card sales
- 120
- Average sale
- €5
- Total settled before fees
- €600
#Why does finality matter?
Once a payment has settled with finality, it cannot simply be undone by the system. That is great for certainty and dangerous when you pay the wrong person: Fedwire transfers, for example, are irrevocable once processed[1]. Compare the rails in ACH vs wire vs instant payments, and see chargeback for how card payments can still be reversed through card network rules.
Frequently asked questions
What is central bank money settlement?
Settlement across accounts that banks hold at the central bank, as in the euro area's T2 system, which the ECB says settles in central bank money with immediate finality[2].
Why does my card payment show as pending?
Because it has been authorised but not yet cleared and settled. The final amount appears once settlement happens.
Sources
- Fedwire Funds Services — Board of Governors of the Federal Reserve System, 2026 Primary
- T2 (real-time gross settlement system) — European Central Bank, 2026 Primary
- What is ACH? The ABCs of ACH — Nacha, 2026 Primary
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