Net revenue per transaction is a measure of how much income a payment business keeps, on average, from each transaction it processes after deducting the costs it must pass on to others. For a card acquirer or payment service provider, those pass-through costs are mainly the interchange fee paid to the card issuer and the scheme fees charged by the card network. For a money transfer business, they include payout partner fees and bank charges. What remains is the firm's own share of the money customers pay.
The metric is one of the core figures in payments unit economics. It is read alongside total payment volume, the number of transactions, and net revenue as a share of volume, often called the net take rate and expressed in basis points. Investors and managers use it to compare business lines, track pricing over time and judge whether growth in transactions is adding value.
Formula and example
The standard calculation is:
- is net revenue per transaction.
- is the total charged to customers for the period, including percentage fees, fixed per-transaction fees and other processing charges.
- are the amounts paid on to third parties for each transaction, such as interchange, scheme fees and, depending on the business, partner or network charges.
- is the count of transactions processed in the same period.
Suppose a payment provider processes 2,000,000 card transactions in a month with total volume of $100 million. It charges merchants 2.9 per cent plus $0.30 per transaction, giving gross revenue of $2.9 million plus $600,000, or $3.5 million. Interchange and scheme fees together come to $2.1 million. Net revenue is $3.5 million minus $2.1 million, or $1.4 million, so:
The provider keeps $0.70 per transaction on average. Its net take rate is $1.4 million divided by $100 million, or 1.4 per cent, which is 140 basis points.
What drives net revenue per transaction
Several factors push the figure up or down:
- Pricing model. Under blended pricing, the provider charges one rate and keeps whatever is left after costs, so its margin changes with the card mix. Under interchange-plus pricing, costs pass through at actual value and the provider's margin is the agreed markup.
- Transaction size. A larger average transaction value raises revenue from percentage fees, while fixed per-transaction fees matter more for small payments.
- Card and customer mix. Premium, commercial and foreign cards carry higher interchange, which squeezes providers on fixed blended rates.
- Merchant size. Large merchants negotiate lower markups, so a portfolio shifting toward big clients often shows rising volume but falling net revenue per transaction.
- Additional services. Currency conversion, fraud tools, instant payouts and financing add revenue on top of basic processing.
Net revenue per transaction is closely linked to gross revenue per transaction, which ignores pass-through costs and therefore looks much larger for card businesses. The gap between the two shows how much of the customer's price is really controlled by the provider. Another related figure is cost per transaction, covering the provider's own processing, support and fraud costs; subtracting it from net revenue per transaction gives a rough profit per payment.
Use in practice
Public payment companies often report gross revenue, transaction-related costs and net revenue, from which analysts derive net revenue per transaction and net take rate. Inside a business, the metric is broken down by product, country, merchant segment and payment method to find which areas are most profitable. It is also compared with the provider's own processing cost per transaction to estimate the contribution of each payment, and with the merchant's overall cost of acceptance when negotiating pricing.
Limitations
Net revenue per transaction is an average, so it can hide wide variation between customers. A falling figure is not necessarily bad: it may reflect a shift to larger merchants that bring much more volume, or to payment methods with lower prices but lower costs too. Definitions also vary. Companies differ in which costs they treat as pass-through, how they treat refunds, chargebacks and incentives, and whether they count authorisations or completed payments as transactions. Comparisons between firms are therefore reliable only when the underlying definitions are disclosed, and the metric is usually read together with contribution margin and total net revenue rather than on its own.