UPI MDR 0.4% rule: what changes from Oct 15

What NPCI announced for UPI from October 15

NPCI has announced a new Merchant Discount Rate (MDR) framework for UPI that starts on October 15, 2026. The key change is that person-to-merchant (P2M) UPI payments above ₹2,000 will no longer be fully zero-cost for the merchant ecosystem. For standard merchants, the MDR is set at 0.4% of the transaction value. There is also a cap mechanism that limits the MDR on high-value payments. Person-to-person (P2P) UPI transfers remain exempt under the framework. Social media discussion has focused on how this shifts costs within the payments chain without changing the experience for most consumers. The announcement is being framed as an effort to support investment into infrastructure resilience, innovation, cybersecurity, and customer service. A separate government communication has reiterated that consumers should not be charged for making UPI payments.

Who pays MDR and why consumers are not charged

Under the structure described by NPCI and the Finance Ministry, the MDR is borne by the merchant, not the customer. This is a crucial point because it changes how businesses assess the cost of accepting UPI, while keeping UPI free at the point of payment for consumers. The government statement says MDR is a charge within the merchant payment ecosystem, not a charge on customers. It also says UPI app providers are prohibited from levying platform fees or hidden charges. Banks have been advised to ensure merchants do not pass MDR costs on to customers. This enforcement angle is part of why the policy is being discussed beyond payments circles, including by market participants. Another detail that is being widely shared is that most smaller value transactions are not impacted. According to the government release, payments to merchants up to ₹2,000 remain free, supporting the claim that the bulk of transactions remain unaffected.

MDR rates, caps, and category-specific pricing

For standard P2M transactions above ₹2,000, MDR is 0.4% of the transaction value. For transactions of ₹75,000 and above, the MDR is capped at ₹300 per transaction. The framework also introduces differentiated pricing for certain sectors described as essential and thin-margin, including railways, telecommunications, insurance, fuel, and agricultural inputs. For these categories, the MDR is a flat ₹5 per transaction for payments above ₹2,000. Capital-market related payments have their own exception with a much lower MDR. Payments relating to mutual funds, securities, stockbrokers, dealers, and investment platforms attract MDR of 0.02%, capped at ₹300 per transaction. Social media conversation has latched on to this 0.02% rate because it directly affects funding flows to brokers and investment platforms. The table below summarises the headline rates shared in NPCI FAQs and government and media reports.

Small merchants and the “96% transactions remain free” claim

The Finance Ministry release says person-to-merchant transactions up to ₹2,000 remain free of MDR. It also says close to 96% of merchant transactions remain free because they fall below the threshold or are covered by the zero-MDR framework for small merchants. Small merchants are defined in the communication as those receiving up to ₹1 lakh per month through UPI QR codes under the Person-to-Person-Merchant (P2PM) category. These merchants continue to enjoy zero MDR on all transactions. Importantly, the release notes that even if such a merchant receives an individual payment above ₹2,000, it does not automatically become chargeable if the merchant qualifies under the exempt category. This nuance has featured in social media explainers because it changes how people interpret the ₹2,000 threshold. The release also cites that the MDR, in effect, applies to around 4% of all merchant transactions. For investors watching payments companies and banks, the implication is that the revenue pool is real but narrowly applied. The exemption framework is also central to the policy argument that everyday UPI usage remains protected.

Why brokers and investment platforms are central to the debate

While standard merchants face a 0.4% MDR above ₹2,000, capital-market transactions face a lower 0.02% MDR. Even at 0.02%, brokers and investment platforms are highlighting the operational cost risk because wallet top-ups and funding transfers can be high-frequency and high-value. One widely circulated comment argues that brokers cannot force customers to trade after transferring money. The same line of argument says that if the UPI charge cannot be passed to the customer, a broker can face substantial cost without corresponding revenue. An example shared online states that 10,000 customers could each make 50 UPI transfers of ₹2 lakh in a month without executing a single trade. At the proposed MDR, this could potentially cost the broker around ₹2 crore without generating any business, according to the example. The concern is amplified by quarterly settlement rules, where brokers must manage client funds and settlement cycles while absorbing payment costs. The discussion is also about predictability, with some suggesting a lower MDR or a transaction-level cap to limit extreme outcomes. These comments have made the capital-market exception one of the most debated parts of the framework.

Mutual fund contributions and what stays exempt

Social media posts have pointed out that the new structure affects certain UPI flows linked to investing. The context circulating online specifically mentions one-time mutual fund contributions and topping up broker wallets as transactions likely to be influenced by the new 0.02% MDR category for capital-market payments. At the same time, recurring SIPs using UPI AutoPay are described as remaining exempt from this fee. This distinction matters for retail participation because SIPs are among the most common mutual fund actions for individual investors. If one-time lump-sum contributions attract MDR within the merchant ecosystem, platforms and intermediaries may need to absorb or manage those costs operationally. The government position, however, remains that consumers should not be charged for UPI payments. That means any cost response would likely appear as internal pricing decisions, service design changes, or payment method nudges, rather than an explicit UPI surcharge. The conversation also reflects that brokers and platforms are trying to understand how the MDR will be applied operationally to different transaction types. Investors may see more communication from platforms clarifying which UPI flows fall under the 0.02% category.

GST and the true cost to merchants

Another detail doing the rounds is that merchants will pay 18% GST on the MDR charges. This adds a tax layer that businesses must account for when calculating the effective cost of accepting eligible UPI payments. For a standard merchant paying 0.4% MDR on a qualifying transaction, GST increases the overall outgo beyond the headline MDR. For essential and thin-margin categories with a flat ₹5 fee, GST still applies on the MDR amount, changing the all-in cost. Capital-market payments at 0.02% also face the same GST application on the MDR charge. This is one reason brokers and platforms are focusing on operational expense rather than only the base MDR rate. The framework also includes caps that can limit MDR for large transactions, but the GST still applies to the MDR charged. From a merchant accounting perspective, the MDR becomes a predictable cost line item for affected payment flows. For businesses operating on thin margins, even small incremental charges can trigger a review of payment acceptance strategies.

Where the MDR money goes in the payments chain

Reports and NPCI statements describe how MDR is distributed among the entities that facilitate a transaction. The largest chunk of the MDR is expected to be earned by the bank of the person making the payment. The rest is split among the merchant acquiring bank, the payment app, and payment service providers. This distribution is relevant to market watchers because it signals who benefits economically from the reintroduction of MDR on certain UPI flows. It also explains why the policy is being discussed in the context of sustaining the UPI ecosystem rather than purely as a merchant fee. NPCI has said the charges are being introduced to bolster investment in infrastructure resilience, innovation, cybersecurity, and customer service. That rationale is being cited in social media debates around UPI uptime and scale. At the same time, the policy design tries to protect small merchants and low-value payments. The result is a targeted MDR pool rather than a broad-based fee on all UPI usage.

What market participants should watch next

The first watchpoint is implementation clarity on how transaction tagging will work across categories like standard P2M, essential sectors, and capital-market payments. The second is how strictly the prohibition on passing charges to consumers is enforced across banks, merchants, and payment apps. For brokers and investment platforms, the key operational question is whether funding flows can create significant MDR outgo without corresponding trading revenue. For merchants, the question is whether eligible transactions above ₹2,000 will change payment mix, such as shifting high-value payments to other rails. For investors, the narrative around beneficiaries also matters, since the MDR pool is shared among banks, acquiring entities, apps, and service providers. Another watchpoint is communication from platforms on UPI AutoPay, since recurring SIPs using UPI AutoPay are described as remaining exempt. The policy also creates a clear split between P2P and P2M, with P2P transfers staying free. Finally, the headline numbers being repeated by the government, such as 96% of merchant transactions remaining free and only around 4% being impacted, will be tested as real-world data emerges after October 15.