UPI Charges for Merchants in 2026: The Complete Guide to MDR, Limits, and Free Transactions

Unified Payments Interface (UPI) processes over 16 billion transactions every month in India, powering everything from local kirana purchases to enterprise vendor settlements. Yet, merchant discount rate (MDR) regulations, interchange fees, and transaction thresholds are evolving rapidly. This authoritative guide unpacks the legal framework of Zero MDR, the 2026 tiered fee structure, small merchant exemptions, anti-surcharge consumer laws, and practical cost-optimization strategies for Indian businesses.

The Evolution of Zero MDR: Legal Foundations and Economic Realities

To understand merchant charges today, it is essential to trace how India established the "Zero MDR" regime. Under the traditional card payments model (Visa, Mastercard), merchants paid between 1.5% and 2.5% on every swipe—a cost known as the Merchant Discount Rate (MDR), split between the acquiring bank, the card network, and the issuing bank.

To eliminate friction in digital payment adoption, the Government of India introduced sweeping statutory amendments in the Union Budget 2019:

• Section 10A of the Payment and Settlement Systems Act (PSSA), 2007: Inserted via the Finance (No. 2) Act, 2019, Section 10A explicitly declared that no bank or system provider shall impose any charge upon anyone, directly or indirectly, for using electronic payment modes prescribed under Section 269SU of the Income-tax Act.
• Section 269SU of the Income-tax Act, 1961: Mandated every business entity with an annual turnover exceeding ₹50 crore to provide specified electronic payment facilities (RuPay debit card, BHIM UPI, and UPI QR codes) to customers without levying any fee.
• The January 1, 2020 Zero-MDR Notification: Effective New Year's Day 2020, MDR was officially slashed to 0.00% for standard peer-to-merchant (P2M) bank-to-bank UPI transfers and RuPay debit cards.

Regulatory Milestone: Section 10A of the PSSA 2007 established the foundational rule that ordinary consumers and small merchants must never be taxed for moving their hard-earned money via standard sovereign digital rails.

To compensate acquiring banks and payment aggregators for maintaining heavy server infrastructure, cybersecurity defenses, and telecom switches, the Ministry of Electronics and Information Technology (MeitY) allocated an annual budgetary incentive (ranging between ₹1,500 crore and ₹2,600 crore). However, as UPI volumes expanded from 1 billion transactions a month in 2019 to over 16 billion transactions monthly by 2026, market participants, the Reserve Bank of India (RBI), and the National Payments Corporation of India (NPCI) revised the operating framework to balance infrastructure sustainability with small merchant protection.

The 2026 Tiered UPI Fee Framework Explained

In 2026, the regulatory ecosystem operates on a balanced, tiered model designed to ensure that small businesses, neighbourhood retailers, and essential services remain 100% free from transaction levies, while high-ticket commercial transactions contribute equitably toward digital infrastructure.

Key Tenets of the Tiered System:

1. The ₹2,000 Shield: Over 82% of all retail P2M UPI transactions in India are under ₹2,000. By keeping transactions up to ₹2,000 permanently at 0%, the everyday shopping experience remains unburdened.
2. The Small Merchant Safe Harbor: Businesses with monthly digital collections below ₹1,00,000 (or annual turnover under ₹20 Lakh) enjoy full exemption from MDR, protecting micro-entrepreneurs, mom-and-pop stores, and freelance consultants.
3. Hard Caps on Large Transactions: For high-value transactions exceeding ₹2,000 handled by established retailers, the MDR rate of 0.40% is strictly capped at ₹300. For instance, a ₹5,00,000 wholesale payment will not attract ₹2,000 in MDR; the deduction is capped at ₹300.

Strict Prohibition on Passing Charges to Customers: Zero Surcharge Rules

A frequent question asked by retail shopkeepers and online store operators is: "Can I charge my customer an extra 2% convenience fee if they scan my QR code?"

The regulatory answer is an emphatic NO. Both the RBI under the Fair Practices Code for Lenders and Acquirers and NPCI merchant guidelines strictly prohibit merchants from levying surcharges on UPI transactions:

• Zero Convenience Fees on QR: A merchant cannot add a markup or extra charge at the point of sale (POS) when a buyer chooses to pay via UPI or RuPay debit card. The price advertised or printed on the tax invoice is the maximum payable amount.
• Penalties for Violation: If a merchant levies an unauthorized surcharge, customer complaints logged on the NPCI portal or RBI Ombudsman can result in immediate termination of the merchant's VPA, freezing of settlement accounts, and blacklisting of the merchant PAN across payment aggregators.
• Cash Discounts vs Digital Penalties: While offering a uniform discount for instant full payment is permissible, advertising a standard price and adding a "digital payment surcharge" is an illegal trade practice under the Consumer Protection Act, 2019.

Understanding Merchant Categories: P2P vs P2PM vs P2M

Payment aggregators classify UPI accounts into three distinct operating tiers. Understanding your tier ensures you are not paying unnecessary fees or risking account suspension:

Practical Steps for Indian Businesses to Minimize Payment Overhead

Managing payment costs while maintaining effortless customer checkout is simple when you implement these industry best practices:

1. Audit Your Payment Aggregator Agreement: Check your monthly merchant statement. Ensure your provider is not levying illegal surrogate fees under the guise of "platform technology fees" or "convenience management charges" on standard UPI transactions below ₹2,000.
2. Segregate RuPay Credit and Bank UPI: If you operate in a high-volume, low-margin wholesale business (e.g., FMCG distribution or steel trading with 2-3% net margins), evaluate whether accepting RuPay credit cards for payments above ₹2,000 is sustainable. You can configure your merchant QR settings to accept direct bank-to-bank UPI while restricting credit card rails.
3. Deploy Dynamic QR Invoices: Instead of relying on static counter stickers where customers manually type arbitrary amounts, use dynamic QR codes printed on your sales bills. Platforms like BillBabu embed the exact invoice amount, GST breakdown, and invoice number directly into the QR code, eliminating human errors and speeding up settlements.
4. Claim 100% Input Tax Credit on Processing Fees: Whenever MDR or platform charges are deducted by your payment aggregator, ensure you receive a valid monthly tax invoice showing 18% GST under SAC 9971. This GST can be claimed as Input Tax Credit (ITC) against your output GST liability.

How BillBabu Empowers GST Merchants with Smarter UPI Collections

For modern Indian retailers, distributors, and service providers, payment collection is inseparable from invoicing and accounting. BillBabu streamlines this workflow by integrating directly with India's digital payment ecosystem:

• Dynamic Invoice QR Generation: Generate GST-compliant invoices with embedded UPI QR codes in seconds. When your client scans the QR on paper or mobile screen, their UPI app auto-populates the exact invoice total.
• Instant Reconciliation: Say goodbye to manual ledger matching. As soon as the customer authorizes payment, BillBabu matches the UTR/RRN reference against the specific invoice and updates the payment ledger in real time.
• Audit-Ready Books: Track gross sales, net bank deposits, aggregator deductions, and GST ITC automatically, ensuring your GSTR-1, GSTR-3B, and GSTR-9 filings match without discrepancies.

---

Frequently Asked Questions (FAQs)

1. Is UPI completely free for small merchants in 2026?

Yes. For small merchants with monthly digital collections up to ₹1 Lakh, standard bank-to-bank UPI transactions remain 100% free with zero MDR. For larger commercial merchants, transactions up to ₹2,000 are completely free, while amounts above ₹2,000 attract a nominal 0.40% fee capped at ₹300.

2. Can a shopkeeper demand extra money if a customer pays via UPI QR?

No. Levying surcharges or convenience fees on customers paying via UPI QR is illegal under RBI directives and NPCI guidelines. Merchants must charge only the declared price or printed bill amount.

3. Does the 1.1% interchange fee apply to normal bank-to-bank UPI transfers?

No. The 1.1% interchange fee applies exclusively to Prepaid Payment Instrument (PPI) wallets (such as Paytm Wallet, PhonePe Wallet, or Amazon Pay Wallet) when used on merchant QR codes for amounts above ₹2,000. It does not apply to regular bank account UPI payments, which make up over 99% of all transactions.

Ready to upgrade your billing and payment operations? Explore BillBabu today or download the BillBabu mobile app to manage invoices, payments, and GST compliance with ease.