GLOBAL PAYMENTS KNOWLEDGEISO 20022 / SWIFT / SEPA / MT / MX
09 / CARDS & MERCHANT PAYMENTS13 MIN

Alternative payment methods and BNPL

Beyond the card: bank-transfer methods, wallets and local schemes — and buy-now-pay-later as a credit product wrapped around a payment.

NOT STARTED

L0 Explain simply

An everyday analogy: 'card' is one way to pay, but a checkout is a shelf of options, and shoppers reach for whatever is familiar and cheap. An alternative-payment-method (APM) is any of the ways to pay that are not a straight card transaction: a bank transfer pushed from your account, a wallet balance, a local scheme, or paying in instalments. They matter because different regions lean on different habits, and each APM settles on its own rails — some on card networks, many not. Buy-now-pay-later (BNPL) is the one shoppers notice most: a provider pays the shop in full now, and the shopper repays the provider later, often in a few interest-free instalments. When Maya Chen chooses 'pay in three' at Example Supplies Ltd, she is using BNPL, not her card. (SYNTHETIC / TRAINING ONLY — every person and firm named here is fictional.)

L1 Core concepts

Alternative-payment-method is an umbrella, not a single mechanism, so the useful move is to sort APMs by what actually settles them. Card-rail APMs, including many wallets, still produce a card authorisation underneath. Bank-transfer APMs push money account-to-account — a credit transfer the payer initiates, increasingly through open-banking payment initiation — so there is no card, no chargeback, and settlement follows the transfer scheme's timing. Local schemes and account-based methods vary by country. Buy-now-pay-later is a credit product wrapped around a payment: the BNPL provider settles the merchant now, usually minus a fee larger than card interchange, and carries the shopper's repayment risk. Its economics rest on merchant fees and, on longer plans, interest; its risks are the ordinary risks of consumer lending — affordability, arrears, and collections — which is why BNPL is increasingly brought inside consumer-credit rules rather than treated as mere checkout plumbing.

L2 Practitioner view

The practitioner's questions about an APM are always the same four: which rails does it settle on, when are funds final, what happens on a refund or dispute, and who carries fraud and credit risk. Those answers differ sharply. A push bank-transfer APM gives the merchant fast, hard-to-reverse funds but no card-style chargeback, so refunds are a separate outbound payment and authorised-push-payment fraud lands on the payer. A card-rail APM inherits card disputes and interchange. BNPL splits the transaction: the merchant is paid and de-risked, while the provider owns underwriting, late fees and collections. Two honest cautions close the topic. First, 'instant approval' at a BNPL checkout is still a credit decision, and thin affordability checks are exactly where consumer harm and regulatory attention concentrate. Second, adding APMs raises approval and reach but multiplies reconciliation: every method has its own settlement file, timing and dispute path to account for.

Sources for this topic3
  1. Market practiceMarch 2003 edition

    A glossary of terms used in payments and settlement systemsCPSS (now CPMI), Bank for International Settlements

    Standard definitions for payment, clearing, and settlement terminology used across BIS committee reports and referenced by glossary entries on this site. · Checked 2026-07-12

    Terminology has evolved since this edition; newer CPMI publications refine some definitions.

  2. Market practice

    Fast payments - enhancing the speed and availability of retail paymentsCPMI, Bank for International Settlements

    Defines the key characteristics of fast (instant) payment services and analyses their benefits, risks, and implications for central banks. · Checked 2026-07-12

    Predates several major instant payment launches; this site uses it for concepts, not current statistics.

  3. Simplified educational illustration

    Payments Signal editorial teaching modelsPayments Signal

    This site's own simplified teaching models. · Checked 2026-07-12

    Used wherever diagrams, scenarios, figures, or example values are didactic constructions rather than sourced facts; every such use carries a simplifications disclosure. All people, companies, banks, and list entries in examples are fictional.

Deepest material on this page: L2 Practitioner view. Where a topic stops short of implementation depth, that is a deliberate coverage decision, not an oversight — see coverage.

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