A2A Payments and the Challenge of Replacing Cards

Account-to-account payments are becoming permanent payment infrastructure, but replacing cards is harder than it looks.

A2A can be attractive for merchants because it can reduce card-network costs, support faster settlement, and work well for certain high-value or recurring flows. But consumer card payments are not just a rail. They bundle trust, habit, rewards, dispute rights, and familiar checkout behavior.

Why A2A Payments Are Attractive

• Lower payment acceptance costs compared with card interchange-heavy flows.
• Potentially faster settlement and better cash-flow visibility.
• Strong fit for selected use cases such as high-value B2B payments, marketplace payouts, subscriptions, and bank-authenticated transfers.
• Less dependence on card credentials in scenarios where account authentication is strong.

Why Cards Are Hard to Replace

Cards remain powerful because they solve more than payment movement. They provide consumer protection, dispute handling, rewards, instant familiarity, issuer trust, and a checkout experience that customers already understand.

That means A2A does not win simply because it is cheaper for the merchant. If the customer feels more risk, more friction, or less confidence, the cost advantage can disappear through lower conversion or higher support burden.

Industry View

The Paypers published an expert series on account-to-account payments in April 2026. The core theme was consistent: A2A is no longer just a fintech experiment, but replacing cards at scale requires more than cheaper rails.

A2A usually lacks the familiar consumer protections, instant reassurance, and easy dispute handling that make cards feel safe. A little more friction or uncertainty can wipe out the potential savings.

Mark Beresford, Edgar Dunn & Company, quoted in The Paypers A2A Payments Series

Card payments set a high bar — they combine convenience, protection, and incentives in a single experience. A2A has a strong cost advantage for merchants, but that alone does not change consumer behavior.

Keith Olson, VP ACH & Open Banking at Nuvei, quoted in The Paypers A2A Payments Series

Where A2A Makes the Most Sense

• High-value B2B payments where card acceptance cost is material.
• Recurring subscriptions where the customer relationship is established.
• Marketplace payouts and account-funded disbursements.
• Use cases where bank authentication improves confidence and reduces credential risk.

The Product Strategy

The smart strategy is not A2A vs. cards. It is knowing which transactions benefit from A2A, where cards still protect conversion, and how to design the checkout experience around trust.

A2A does not include card-style chargeback protection by default. If a merchant moves volume to A2A rails without investing in fraud prevention, account verification, payee verification, and customer-support workflows, it may trade interchange cost for fraud losses and operational risk.

For more on the tradeoff between payment economics and risk controls, see what chargebacks are and how merchants can prevent them.

A2A Payments in Practice: Real-World Use Cases

A2A payments work best in contexts where consumer trust is pre-established and the transaction stakes are lower. Bank bill payments, utility autopay, payroll direct deposit, and business-to-business vendor payments are all natural A2A environments. The challenge comes when merchants want to replace card-at-checkout behavior for consumer retail — this is where habit, rewards programs, and dispute rights create friction against adoption.

Why Open Banking Enables A2A Growth

Open banking regulation — PSD2 in Europe, the Consumer Data Right in Australia, and emerging frameworks in the US — creates the API infrastructure that makes A2A payments more accessible to merchants. Rather than routing through a card network, open banking A2A payments initiate directly from the customer’s bank account via a payment initiation service provider (PISP). This reduces settlement time, eliminates interchange fees, and keeps customer account data more tightly controlled. However, it also removes card network dispute rights and the consumer protections that come with them — a significant adoption barrier for high-value purchases.

Frequently Asked Questions About A2A Payments

What is the main advantage of A2A payments for merchants? Cost reduction is the primary driver. Card interchange fees typically range from 1.5% to 3% of transaction value. A2A payments can reduce payment processing costs to near-zero for high-volume merchants, which is particularly impactful for low-margin industries like grocery retail or utilities.

What prevents A2A payments from replacing cards? Four factors: consumer habit (cards are the default mental model for payments), rewards programs (consumers value airline miles and cashback), buyer protection (cards offer chargeback rights that A2A lacks), and merchant acceptance infrastructure (POS hardware and checkout flows are optimized for cards, not bank transfers).