What Is Merchant Discount Rate (MDR)? Meaning, Charges and Calculation

Many digital sales lose a slice before the money reaches your bank account. At a 2% MDR plus GST, a ₹1,00,000 order settles at ₹97,640. The ₹2,360 gap is the payment-processing deduction.

MDR is the cost merchants pay to accept eligible digital payments. The exact rate depends on the payment instrument, merchant category, transaction value and commercial agreement. This rate determines how much of every sale the business retains after payment-processing deductions.

This guide explains MDR meaning, charges and calculation in India, including the new framework for select UPI merchant payments.

What Does MDR Mean in Payments?

MDR stands for Merchant Discount Rate. It is the consolidated fee a merchant may pay to accept card, wallet and eligible UPI payments, expressed as a percentage of the transaction value. 

The payment provider usually deducts it before settlement, which is one reason businesses may underestimate its effect on margins.

The merchant discount rate in India has four defining traits:

• It’s a bundled fee, which means one percentage pays for several parties.
• It’s deducted at settlement, which means businesses receive net, not gross.
• MDR varies by instrument, which means it changes according to the method used to pay; whether it’s credit cards, debit cards, wallets, or UPI, each follows different rules.
• MDR also attracts GST, which means 18% tax applies to the fee, not the sale.

Does the Payment Gateway Keep the Entire MDR?

Merchants often assume the payment gateway pockets every rupee of MDR, but that’s far from the truth. On a standard card transaction, the largest share goes to the bank that issued the customer’s card. 

In comparison, a much smaller share goes to the card network. The gateway and its acquiring bank keep the remainder, and what’s left pays for processing, fraud screening, compliance, and settlement.

Treat MDR as a pass-through with a service margin on top. Once you see the split, you can negotiate the part that is negotiable.

What Does MDR Include?

To understand MDR charges completely, we need to break it down into three layers where each one has a different recipient, a different logic, and a different degree of flexibility.

1. Interchange Fee Paid to the Issuing Bank

The issuing bank, the one that gave your customer the card, collects the interchange fee. It is the largest chunk of MDR if payment is made through a credit card.

But why? Because it’s the issuer who will take the entire carrying risk, including;

• Funding the purchase
• Absorbing fraud losses
• Taking the credit exposure if the cardholder never repays.

Credit cards carry higher interchange than debit cards for that reason. Premium and corporate cards sit higher still, because their reward programmes cost the issuer more.

Your gateway does not set the interchange rate; the card ecosystem does, and it applies to every acquirer alike.

2. Network Fee Paid to the Card Network

Visa, Mastercard, and RuPay charge an assessment fee, also called a network fee, for running the rails, covering;

• Authorisation messaging
• Clearing
• Settlement infrastructure
• Network-level security

This is the smallest layer as it usually runs to a few basis points per transaction. Small, fixed, and non-negotiable.

3. Acquiring Fee Paid to the Gateway and Acquiring Bank

The acquiring fee pays for everything between your checkout page and the network. 

A payment gateway like Cashfree provides the technology, bank connectivity, risk controls, card tokenisation, PCI DSS compliance, settlement and support.

This is the only layer a gateway controls; it is also the layer where infrastructure quality shows up in your revenue.

Example of How Card MDR Is Distributed

The table below shows how a 2.00% credit card MDR is divided between different entities according to the role they play in making a payment successful. 

Actual splits shift with card category, network, and merchant category.

Component	Paid to	Illustrative share	Illustrative rate
Interchange fee	Issuing bank	~75%	~1.50%
Assessment fee	Card network	~5%	~0.10%
Acquiring fee	Gateway and acquiring bank	~20%	~0.40%
Total MDR		100%	2.00%

Cashfree states its rate upfront and shows what sits inside it because we believe that transparency begins with knowing which layers are fixed and which one you are actually paying a gateway for.

Also Read: How a Card Payment Moves Between the Issuing Bank, Acquirer and Card Network

How to Calculate MDR and GST

MDR calculation takes four lines of arithmetic, and finance teams should run it on every pricing proposal.

• Base fee = Sale value × MDR %
• GST = Base fee × 18%
• Total deduction = Base fee + GST
• Net settlement = Sale value − Total deduction

This means the effective rate will be headline MDR × 1.18. So a 2% MDR means there will be a 2.36% deduction.

Example 1: ₹1,00,000 Transaction at 2% MDR

Line Item	Calculation	Amount
Sale Value		₹1,00,000
Base MDR Fee	₹1,00,000 x 2%	₹2,000
GST on Fee	₹2,000 x 18%	₹360
Total Deduction	₹2,000 + ₹360	₹2,360 (2.36%)
Net Settlement	₹1,00,000 – ₹2,360	₹97,640

How MDR Affects Business Margins

Take a business running a 20% gross margin, and for our understanding, let’s take the orders worth ₹1,00,000, and here the gross profit is ₹20,000. MDR with GST takes ₹2,360 of it, and this means that it is 11.8% of gross profit, gone to payment acceptance on one sale.

A merchant processing ₹5 crore a month in card payments at 2% pays ₹11.8 lakh a month once GST is counted. That is ₹1.416 crore a year, gone just to ensure the payments are received in the business account. 

Now imagine even a 10 basis point reduction in the MDR and how much more income businesses can generate. 

The timing and composition of these deductions can be checked against the gateway’s settlement records, which should show the transaction amount, fees, taxes and net settlement.

Also Read: Payment Settlement Cycle: T+0, T+1, T+2 and Instant Settlements

UPI MDR Rules for Merchants Post Diwali

For six years, the merchant discount rate in India carried one large exception. UPI and RuPay debit cards ran at zero MDR from January 2020, and as a result, merchants built their entire payment infrastructure and cost models around these exceptions.

Post Diwali, that exemption will no longer apply to every business. 

The 0.4% UPI P2M Rate

The Department of Financial Services published its official UPI MDR FAQs on September 15, 2026. Post Diwali, a 0.4% MDR applies to specified UPI person-to-merchant (P2M) transactions above ₹2,000, capped at ₹300 per transaction. The cap starts at ₹75,000 because 0.4% of ₹75,000 is exactly ₹300.

The framework in full:

• Up to ₹2,000, standard UPI P2M transactions have zero MDR. The official FAQs state that these account for more than 95% of P2M transaction volume.
• Above ₹2,000, eligible standard P2M payments attract a 0.4% fee, subject to merchant-category rules and exemptions.
• Transactions of ₹75,000 and above will have a flat ₹300 per transaction.
• For railways, telecom, insurance, and fuel, there is a flat ₹5 per transaction above ₹2,000.
• Capital-market payments also have an MDR, but it is lower, fixed at 0.02%, subject to the ₹300 cap.
• There is no MDR for UPI AutoPay mandate payments. 
• Consumers and P2P transfers remain free. Transaction limits still vary by bank, app and payment category.

Here is the cost of a UPI payment, with 18% GST applied to the fee as a modelling assumption. 

Ticket Size	MDR	GST at 18%	Total Deduction
₹2,000	Nil	Nil	₹0
₹3,000	₹12	₹2.16	₹14.16
₹10,000	₹40	₹7.20	₹48.20
₹50,000	₹200	₹36	₹236
₹75,000	₹300 (cap)	₹54	₹354
₹1,00,000	₹300 (cap)	₹54	₹354 (0.354%)
₹5,00,000	₹300 (cap)	₹54	₹354 (0.071%)

The overall impact of MDR on UPI is meant to be inferred from these rows, as how much a merchant has to pay changes with the total amount. A merchant with a ₹10,000 average ticket and 10,000 payments received through UPI in a month paid nothing before. 

From the effective date, it would pay ₹4,00,000 in MDR plus ₹72,000 GST, or ₹4.72 lakh a month, which is ₹56.64 lakh a year.

The cap makes the effective rate decline as the transaction value rises. A ₹3,000 order pays 0.4%, while a ₹5,00,000 order pays 0.06% before GST. 

Mid-ticket categories such as electronics, jewellery, travel and D2C bundles may absorb the full 0.4%, while large B2B payments face a much lower effective rate because of the cap. 

Also Read: UPI MDR 2026: Rates, Exemptions and Merchant Impact

Debit Card MDR Caps

RBI regulates debit card MDR in tiers by merchant turnover. The applicable ceiling depends on merchant category and acceptance infrastructure. Credit cards carry no equivalent regulatory ceiling, so pricing moves with interchange, risk and commercial negotiation. For the complete instrument-specific limits, see this guide to debit card MDR charges.

PPI Wallets and RuPay Credit Cards on UPI

Since April 2023, eligible UPI merchant payments funded through PPI wallets may carry interchange of up to 1.1%, subject to the applicable category rules. RuPay credit cards linked to UPI follow separate credit-product pricing and are not covered by the new bank-account-funded UPI MDR described above. Businesses can compare the available acceptance flows through Cashfree’s UPI payment gateway.

Why Use a Payment Gateway When UPI MDR Is Zero?

Because zero MDR is not zero cost, and even free rails still fail, which means payments that are stuck cause friction. Bank-side downtime, timeouts, and pending states hit UPI like any other mode. 

Each failed payment is a lost sale or a support ticket. A reliable payment gateway in India adds a layer that helps manage those failures:

• Intelligent routing that steers transactions away from degraded paths towards healthier routes.
• Retries and payment-mode fallback that give customers another way to complete a payment.
• Automated reconciliation that matches settlements to orders without relying on spreadsheets. See how settlement and reconciliation work together.

So the payment gateway fee you are paying buys uptime and clean books, not the rail itself.

Flat-Rate vs Interchange-Plus Pricing

Payment gateway MDR follows one of two structures.

• Flat-rate pricing charges one percentage across instruments. Here, the gateway absorbs the variation in interchange and network costs while the merchant only sees a single number. 
• Interchange-plus pricing passes through the actual interchange and network fees, then adds a fixed acquirer markup. You see every layer, and the total moves with your payment mix.

Factor	Flat Rate	Interchange-Plus
Predictability	High, as there’s only one rate to consider.	Lower, as the rates charged vary by card mix.
Visibility	Single line item	Itemised by layer
Reconciliation effort	Light	Heavier, needs finance bandwidth
Exposure to mix shifts	Gateway carries it	Merchant carries it
Best fit	SMEs and growing businesses	High-volume, mix-sensitive enterprises

Cashfree’s standard 1.95% flat rate suits SMEs that need cost certainty without a payments analyst. This overview of payment gateway charges in India explains the other costs businesses should compare alongside the headline rate.

At 1.95%, the effective deduction is 2.301% after GST is applied to the mix;

• On ₹1,00,000, that is ₹1,950 plus ₹351, a total of ₹2,301, with ₹97,699 settled. 
• On ₹10,000, the fee is ₹195 plus ₹35.10, a total of ₹230.10.

High-volume merchants can explore enterprise payment gateway pricing built around volume, instrument mix, ticket size and risk profile. A debit-heavy or low-interchange mix, for example, gives you real leverage in that negotiation.

The better model is the one that matches your finance capacity, but remember that flat rate buys simplicity, and if you choose custom pricing, it will provide precision control.

Who Pays MDR and Can Merchants Pass It to Customers?

The merchant pays MDR by default, and it’s stated in the rulebook as well. The open question is whether the customer ends up sharing it or whether merchants will stop accepting UPI payments. 

Absorbing the Cost

Most retail and D2C brands treat MDR as a standard cost of customer acquisition. They account for it in product pricing and keep checkout clean. A visible extra fee at the final payment step can increase cart abandonment. This approach works when margins can absorb the effective processing cost. Businesses can also evaluate a payment gateway for D2C brands based on payment success rates, checkout experience and reconciliation, not the quoted MDR alone.

Charging a Convenience Fee

Some sectors charge a separate convenience fee, including platforms built for ticketing, education fee collection, and utility payments. These platforms use the convenience fee routinely, because customers in those categories expect a processing line item.

For merchants that are expected to accept UPI as one of the methods and want to add MDR charges, they must;

• Disclose the extra fee before payment and never surface the fee at the final step.
• Keep it proportionate to the total purchase cost, as a fee far above actual cost invites complaints.
• Check the rules as the network and RBI requirements vary by instrument and sector.

The announced UPI framework states that consumers should not pay the new MDR. Merchants should therefore not pass that MDR to buyers as a separate UPI charge.

Cashfree Payment Gateway Pricing and MDR

Cashfree provides payment infrastructure that helps merchants accept, route and reconcile digital payments while keeping commercial terms visible.

Run the arithmetic. A merchant attempts ₹5 crore in monthly payment volume, and even a single percentage point of success rate equals ₹5,00,000 in recovered sales. 

The MDR with GST on those sales, at 2.36%, is ₹11,800, which means that you, as a merchant, will keep ₹4,88,200 that would otherwise have vanished at a failed checkout.

This is how payment infrastructure can offset part of its cost. Each recovered payment contributes revenue that would otherwise have been lost at checkout.

What Cashfree Includes

With Cashfree as your payment gateway partner, you get;

• Transparent Pricing: A standard 1.95% flat rate with no hidden AMC or surprise line items on a statement.
• Custom Pricing for Volume: Enterprise rates structured around your volume, mix, and ticket size.
• Zero MDR on UPI up to ₹2,000: The NPCI-prescribed rates apply only to eligible transactions above that threshold.
• Dynamic Routing: Transactions steer toward the paths most likely to succeed, so the fees you pay land on completed payments.
• Seamless Reconciliation: Settlements match to orders automatically, which shortens month-end close.

Your finance team gets a rate it can model and a platform designed to support payment security and routing.

How to Evaluate MDR for Your Business

MDR is a bundled, taxed and instrument-specific fee that may apply to eligible digital transactions. Interchange generally takes the largest share, networks take a smaller portion, and the acquiring layer covers the gateway and acquiring bank. 

But most of all, the GST charged even on the MDR fee turns every headline rate into a higher real cost: 2% becomes 2.36%.

Post Diwali, UPI rule adds a new line to every high-ticket merchant’s model. Calculate it by ticket size, apply GST, and measure it against your margin.

Then look at the other side of the ledger. The right payment partner can reduce failed transactions, and that may matter more than a fraction of a percentage point on the rate. Use this practical guide on how to choose a payment gateway to compare pricing with payment success, security, settlement and support.

FAQs About MDR

What is MDR in a payment gateway?

MDR in a payment gateway is the percentage fee deducted from each transaction a merchant accepts using the gateway’s infrastructure. It bundles the interchange fee paid to the issuing bank, the assessment fee paid to the card network, and the acquiring fee paid to the gateway and acquiring bank.

Is GST charged on MDR?

18% GST is applied on top of the MDR fee, and this is separate from the GST charged on the sale value. A 2% MDR therefore costs 2.36%. On a ₹1,00,000 transaction, the fee is ₹2,000, the GST is ₹360, and the total deduction is ₹2,360. Registered businesses can usually claim input tax credit on the GST portion.

Is UPI still free for merchants?

Standard UPI P2M payments up to ₹2,000 carry zero MDR. Post Diwali, 2026, specified P2M transactions above ₹2,000 attract a 0.4% MDR, capped at ₹300 per transaction for payments of ₹75,000 and above. Small offline merchants using P2PM up to the prescribed monthly limit and other listed categories remain exempt. Railways, telecom, insurance and fuel pay a flat ₹5 above ₹2,000. Consumers do not pay this MDR.

How do I choose between flat-rate and interchange-plus pricing?

Choose flat-rate if you want one predictable number and light reconciliation. Choose a custom structure if your volume is high and your payment mix is skewed toward low-interchange instruments. Model both on your last three months of transactions, with GST included.

Can I pass MDR charges on to customers?

Some sectors charge separate convenience fees under their own disclosed and legally permitted pricing models. This is not the same as passing on the new UPI MDR, which the announced framework says merchants cannot charge to consumers. Review the applicable network, sector and consumer-protection rules before adding any fee.