U Lakshman Rao
The transformation from money orders, demand drafts and counter-based banking to instant digital payments is not merely a technological story. It is a story about the economic value of time, the dignity of ordinary citizens, the efficiency of markets and the gradual movement of financial power from institutions toward individuals. The significance of UPI becomes clearer when it is viewed not simply as a payment application, but as part of a broader transformation in India’s economic infrastructure.
Older payment systems were designed around the physical movement of documents, instructions and people. A person who wanted to send money often had to approach a bank or post office, complete paperwork, wait for processing and sometimes make another visit before the transaction was finished. Money orders and demand drafts served important purposes in an earlier financial environment, but they carried costs beyond the official fee. There was the cost of transportation, the opportunity cost of time spent in queues, the uncertainty of processing and, in some circumstances, dependence on intermediaries.
It is therefore useful to distinguish between the price of a transaction and its economic cost. A fee printed on a receipt represented only one component. A worker losing half a day’s wages to visit a bank, a student travelling twice to complete a payment, or a small trader closing a shop temporarily to handle banking formalities represented additional economic costs that were rarely visible in the transaction ledger. Digital payments have changed this equation by reducing the amount of physical time and movement required to transfer money.
The older system should not, however, be viewed entirely through the lens of inconvenience. Money orders, cheques, demand drafts and branch banking were products of their technological and institutional environment. They created formal records, enabled transactions in an era of limited connectivity and provided access to financial services before smartphones and inexpensive mobile data became widespread. The important historical point is not that the earlier system had no value, but that the economics of society changed faster than many traditional payment mechanisms could evolve.
India’s digital transformation accelerated when several pieces of infrastructure began working together: bank accounts, mobile connectivity, digital identity, electronic authentication and interoperable payment infrastructure. UPI, launched in 2016, became an important layer in this architecture. The Reserve Bank of India and other institutions had already developed electronic payment systems such as NEFT and RTGS; UPI extended the digital-payment experience into everyday retail transactions.
The scale is now extraordinary. NPCI’s official statistics show that UPI processed about 24.51 billion transactions in August 2026, with a transaction value of approximately ₹29.82 lakh crore that month. The significance of these numbers is not simply that more money is moving electronically. It is that a payment infrastructure originally designed for digital banking has become part of ordinary economic life—from large commercial transactions to a cup of tea.
This has profound consequences for small businesses. A vegetable seller, taxi driver, street vendor, domestic service provider or small restaurant no longer necessarily needs sophisticated point-of-sale infrastructure to accept electronic payments. A mobile phone and a QR code can become a gateway into the formal digital economy. Payments can generate records, reduce the dependence on exact change and make transactions easier to reconcile.
The economic effect of such a system extends beyond convenience. When transactions become easier to record, businesses can potentially develop clearer cash-flow histories. Those records can become useful in accounting, taxation, credit assessment and business planning. India’s broader digital public infrastructure—including identity, payments and data-related systems—has increasingly connected citizens and enterprises with formal financial services. The Bank for International Settlements has highlighted India’s digital public infrastructure as an important example of how public infrastructure and private-sector innovation can work together.
There is also a social dimension. Financial inclusion is not achieved merely by giving someone a bank account. The account must actually be useful. The World Bank has emphasized that the real benefits of financial inclusion emerge when people use accounts for payments, savings and other financial services. In India’s 2021 Global Findex data, 78% of adults had an account, but only 35% reported making or receiving digital payments; rural and gender gaps in digital-payment usage also remained. This illustrates an important shortcoming: access to infrastructure and meaningful use of infrastructure are not the same thing.
India’s experience also becomes more interesting when compared with other countries. There is no single global model of instant payments. Brazil has Pix, Thailand has PromptPay, Singapore has PayNow, the United Kingdom has Faster Payments, and the United States has developed FedNow alongside its existing payment ecosystem. More than 100 jurisdictions have implemented fast-payment systems in some form.
Brazil’s Pix demonstrates how a nationally coordinated instant-payment system can become deeply embedded in everyday economic activity. Thailand and Brazil have also recorded very high per-capita use of fast payments. The United States represents a different institutional model, with a large and mature private payment ecosystem alongside newer instant-payment infrastructure. These differences demonstrate that technological progress does not require every country to reproduce India’s architecture. Each system reflects its banking structure, regulatory philosophy, market competition and consumer behaviour.
India’s distinctive achievement is therefore not simply speed. It is scale combined with interoperability. The same broad infrastructure can serve a major corporation, a small merchant and an individual consumer. The economic value increases as more participants join the network. This is a classic network effect: a payment system becomes more useful when more people and businesses can send and receive money through it. The BIS has specifically identified interoperability and broad participation as central factors in the development of effective fast-payment networks.
Yet the future cannot be built on convenience alone. A system handling enormous volumes of financial transactions must continually address fraud, cybersecurity, privacy, operational resilience and consumer protection. As digital payments become ubiquitous, the consequences of a technical failure or fraudulent transaction can become proportionately larger. The more society depends upon digital infrastructure, the more important redundancy, security and rapid dispute resolution become.
There is another economic challenge: digital exclusion. A smartphone, bank account, connectivity, digital literacy and confidence in electronic transactions cannot be assumed universally. Elderly citizens, people with disabilities, individuals in areas of weak connectivity and people with limited digital literacy may still require alternative mechanisms. A genuinely inclusive payment system should therefore make digital payments easier without making non-digital citizens economically invisible.
The issue of merchant economics is equally important. A payment system that is free or inexpensive for consumers must still have a sustainable economic structure. Banks, payment-service providers, technology companies and infrastructure operators incur costs for authentication, cybersecurity, connectivity, settlement and customer support. The long-term question is how these costs should be distributed without undermining affordability for consumers or imposing disproportionate burdens on smaller merchants.
The next stage of UPI’s evolution is likely to be increasingly international. The strategic significance of this development is considerable because India is one of the world’s largest remittance-receiving economies. The Reserve Bank has identified cross-border payment efficiency as an important priority and has been pursuing bilateral links between UPI and foreign fast-payment systems, while also participating in Project Nexus, which seeks to connect multiple national instant-payment systems.
The existing UPI–PayNow connection between India and Singapore provides an example of what this future could look like. Instead of treating international payments as completely separate from domestic instant-payment networks, countries can increasingly connect their systems so that individuals and businesses can transfer money across borders more efficiently. The BIS has noted that linking fast-payment systems could potentially reduce cross-border retail-payment times dramatically compared with traditional processes.
If such networks expand, the implications for migrant workers, students, tourists, exporters, freelancers and small businesses could be substantial. A person travelling abroad could potentially pay directly through a familiar interface. A small Indian exporter could receive a payment from a foreign customer without navigating the same chain of intermediaries traditionally associated with international transfers. Families receiving remittances could potentially benefit from faster and more transparent channels.
But internationalisation is considerably more complicated than domestic UPI. Countries must reconcile different currencies, foreign-exchange regulations, anti-money-laundering requirements, sanctions regimes, consumer-protection laws, data rules and settlement arrangements. The technical connection between two payment systems may be relatively straightforward; the legal and economic integration of those systems is much more complex. International payment interoperability therefore requires cooperation between central banks, regulators, commercial banks and payment networks.
The future may ultimately move beyond the simple question of transferring money. UPI can become part of a wider financial architecture in which payments, credit, savings, investments, taxation, commerce and government services interact digitally. The emergence of consent-based financial-data frameworks and other elements of India’s digital public infrastructure suggests that payments may eventually become only one layer of a much larger digital financial ecosystem.
There is also an important global economic lesson here. Fast payments are not uniquely Indian. Countries across the world are discovering that the payment system itself can become economic infrastructure, much like roads, telecommunications networks and electricity grids. The difference is that payment infrastructure carries something exceptionally important: the ability to transfer economic value immediately.
The evolution therefore represents a change in the meaning of distance. In the physical economy, distance imposed transportation costs, waiting time and administrative friction. In the digital economy, the geographical distance between two bank accounts can become almost irrelevant for a domestic transaction. The economic challenge increasingly shifts from moving money to making the movement secure, inclusive, interoperable and economically sustainable.
India’s journey from queues to QR codes should consequently be understood neither as a political slogan nor merely as a technological success story. It is an example of how public infrastructure, private innovation, consumer adoption and changing expectations can interact to reshape economic behaviour. Other countries have travelled different paths, and several have developed equally important innovations in instant payments. The global movement toward faster payments is therefore larger than any single national system.
The most profound transformation may ultimately be psychological. Earlier, citizens adapted themselves to the timetable of financial institutions. Increasingly, financial institutions and payment systems are expected to adapt to the timetable of citizens. The question has moved from When will the institution process my transaction? toward Why should a simple transaction take so long?
That change in expectation is economically powerful. Time has become measurable value; convenience has become part of financial competition; interoperability has become an economic asset; and digital trust has become as important as physical access.
UPI’s future will therefore not be determined merely by how many transactions it processes. Its larger test will be whether it can remain secure as volumes grow, inclusive as technology changes, affordable for ordinary users, sustainable for the institutions that operate around it, and interoperable with payment systems beyond India’s borders.
If that balance is achieved, UPI’s greatest contribution may not be that India created another method of paying. It may be that India demonstrated how a payment infrastructure can become a form of economic public infrastructure—one that reduces friction between people, businesses and markets and potentially connects domestic financial activity with an increasingly integrated global digital economy.
