Sep 16, 2026 16:03 pm IST

Opinion | How A Tiny 0.4% UPI Fee Could Change How India Pays

UPI was always free at the checkout. But someone was always paying for the infrastructure behind it

Deepanshu Mohan Deepanshu Mohan Columnist

Deepanshu Mohan Columnist

The introduction of a 0.4% Merchant Discount Rate on certain UPI merchant transactions above Rs 2,000 marks a significant shift in the economics of India's digital payments architecture. For years, UPI's expansion rested on a pricing model in which consumers paid nothing for most transactions and merchants faced no MDR. That helped maximise adoption, but left a basic question unresolved: who ultimately pays for a payment network once it becomes too large and too important to remain dependent on implicit subsidies?

The new framework will continue to allow for free peer-to-peer transfers, exclude smaller merchants from the charge if they fall below the prescribed limit, and exclude recurring payments such as xSIPs and utility bills from the charge. The initial cost could be relatively small. The more significant question is what pricing does to the incentives of a network that has become a part of the daily economic life.

UPI was not really free. Banks and payment service providers still needed to pay for transaction processing, servers, cybersecurity, fraud detection, and infrastructure. The zero-MDR structure just pushed those costs out of the transaction. Some of them were absorbed by public incentives and cross-subsidies.

The new MDR brings some of that implicit cost to the fore.

This is in line with the economics of a two-sided market. UPI derives its value from having consumers and merchants on the same network. Charging consumers would reduce participation, but charging the commercial side would enable some of the infrastructure cost to be recovered without disrupting........

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