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Interchange Revenue Explained

Interchange revenue (also called interchange income or interchange fees) is the fee that a card-issuing bank earns each time one of its cardholders makes a purchase using their debit or credit card. It is typically a percentage of the transaction amount plus a fixed fee, paid by the merchant's bank (the acquirer) to the card-issuing bank (the issuer).

How Interchange Works

When a cardholder swipes, taps, or uses their card online, the transaction flows through a payment network (Visa, Mastercard, etc.). The network routes the transaction and facilitates the interchange fee transfer:

  1. Cardholder makes a purchase at a merchant
  2. The merchant's payment processor sends the transaction to the card network
  3. The card network routes it to the issuing bank for authorization
  4. The issuing bank approves and earns the interchange fee
  5. The merchant receives payment minus the merchant discount rate (which includes interchange)

Why Interchange Revenue Matters for Banks and Credit Unions

Interchange is one of the most significant non-interest revenue streams for financial institutions. According to McKinsey's 2025 Global Payments Report, interchange fees account for 49% of all transaction-related payments revenues globally, with the total exceeding $3 trillion by 2026. For many community banks and credit unions, debit and credit card interchange represents a substantial portion of total fee income.

Key factors that drive interchange revenue:

  • Transaction volume — More card transactions means more interchange fees. This is directly influenced by card-on-file placement. Accenture estimates that shifts in consumer payment preferences put up to $31.4 billion of US bank revenue at risk.
  • Transaction value — Higher-value purchases generate larger interchange fees
  • Card type — Credit cards typically carry higher interchange rates than debit cards
  • Transaction type — Card-not-present (online) transactions often have different rates than card-present transactions

Strategies to Increase Interchange Revenue

1. Card-on-File Automation

The most direct way to increase interchange revenue is to increase the number of transactions on your cards. By placing your card as the default payment method across online merchants, every purchase on those sites generates interchange income automatically. Strivve's platform helps issuers achieve 5–40X ROI through automated card-on-file placement.

2. Card Activation Programs

Cards that are never activated generate zero interchange revenue. Issuers that implement aggressive activation programs — including card-on-file marketing campaigns at the point of card issuance — capture revenue from day one.

3. Top-of-Wallet Strategies

Achieving top-of-wallet status means your card is the first one used for every purchase. Each additional merchant site where your card is stored creates a new stream of recurring interchange revenue.

4. Portfolio Reissuance Campaigns

When cards are reissued (due to expiration, fraud, or upgrades), there's a critical window where the old card-on-file relationships are broken. Card switching technology automates updating the new card across all merchant accounts, preserving interchange revenue that would otherwise be lost.

Related Terms

  • Card-on-File — Stored payment credentials that drive recurring transactions
  • Top of Wallet — Strategy for maximizing card usage and transaction volume
  • Card Switching — Technology for preserving card-on-file relationships during reissuance