Acquirer
What is an acquirer?
Acquirer is a bank or financial institution that processes card payments on behalf of a merchant and settles the proceeds into the merchant's account. Also called an acquiring bank or merchant bank, it holds the merchant's license to accept card brands such as Visa and Mastercard.
The acquirer sits on the merchant's side of every card transaction. It forwards authorization requests from the to the cardholder's through the relevant card network, returns the approval or decline, and later moves the settled funds to the merchant. It also carries the financial risk when a merchant cannot cover refunds or chargebacks.
Key facts
- Also known as: acquiring bank, merchant bank
- Sits on the: merchant's side of a transaction, while the issuer sits on the cardholder's side
- Responsible for: authorization routing, , and chargeback liability
- Provides merchants with: a , plus tools like payment gateways or terminals
- Licensed by: the whose payments it accepts
How it works
- Authorization request – The merchant sends card details to the acquirer, which forwards the request to the cardholder's issuer through the card network.
- Issuer decision – The issuer approves or declines and returns the response along the same path back to the merchant.
- Clearing – The acquirer batches the approved transactions and submits them to the card networks so each amount can be confirmed with the issuer.
- Settlement – The acquirer receives the funds from the issuer and deposits them into the merchant's account, minus its fees.
- Dispute handling – If a cardholder files a , the acquirer debits the merchant and represents the case to the issuer.
Why it matters
A merchant cannot accept card payments without an acquirer, because it is the entity that holds the merchant account and connects the business to the card networks. The acquirer also absorbs settlement risk: if a merchant shuts down with unresolved chargebacks, the acquirer covers the shortfall. That exposure is why acquirers underwrite merchants before onboarding and hold reserves against high-risk accounts.
Acquirer vs. payment processor vs. PSP
The acquirer holds the funds and the risk, while a processor and a PSP move the transaction and package the services around it.
| Role | What it does |
| Acquirer | Holds the merchant account, settles funds, and carries chargeback liability |
| Transmits transaction data between the merchant, card networks, and issuer | |
| Bundles gateway, processing, and often acquiring under one contract |
