Confidential by defaultEstablished 201072 Jurisdictions

Acquirer

An acquirer is the institution that contracts with a merchant to accept card payments, submits those transactions into the card schemes, settles the merchant’s proceeds, and carries the acquiring-side financial exposure — including the cost of chargebacks the merchant cannot fund itself.

Also called: acquiring bank · merchant acquirer

Four parties sit behind a card payment and are routinely merged into one. The issuer holds the cardholder relationship and the account the card draws on. The acquirer holds the merchant relationship and the merchant’s settlement account. The card scheme writes the rules both sides operate under and routes the transaction between them. A payment processor performs the technical work on behalf of one or both.

What makes an acquirer different

Risk. When an acquirer signs a merchant it underwrites that merchant. If the business fails, closes or ships nothing, cardholders still get their money back through the chargeback process, and the acquirer is left holding the loss. That is why acquirers ask for financials and ownership detail before onboarding, why they hold rolling reserves afterwards, and why some sectors are priced as high-risk merchants or declined outright.

Merchant pricing follows from the same structure. Interchange goes to the issuer, scheme fees go to the scheme, and what is left is the acquirer’s margin for underwriting, settlement and servicing the account.

In practice

The legal form of an acquirer differs by market — in some it must be a bank, in others a licensed non-bank institution — so define an acquirer by what it does rather than by the charter it holds. And it is the acquirer, not the gateway or the processor, that carries the financial risk on a merchant’s card transactions.

Example

An online retailer accepts cards for a year, then stops shipping and closes. Cardholders dispute their purchases and the issuers reverse the payments. The retailer’s account is empty and its rolling reserve covers only part of the exposure, so the acquirer absorbs the rest. The gateway and the processor that carried the same transactions owe nothing.

Commonly confused with

TermHow it differs
Payment ProcessorA processor performs the technical work on a transaction; the acquirer holds the merchant contract and the financial liability behind it.
IssuerThe issuer sits on the cardholder’s side of a transaction and the acquirer on the merchant’s side; they are counterparties settling against each other, not synonyms.
Payment FacilitatorA payment facilitator sits beneath an acquirer and onboards sub-merchants under its own master account rather than holding scheme membership itself.

See also

← All glossary terms

Page Last Updated: 22/Sep/2026