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Choose a UPI payment gateway by comparing the written all-in cost for your payment mix, the checkout methods your customers use, settlement conditions, eligibility, and day-to-day support. “Zero MDR” does not necessarily mean the gateway is free: a provider may charge a separate platform or technology fee, and GST or faster-settlement charges may also affect your cost. There is no universal best provider; the right choice depends on your business and the terms offered for your account.
What a UPI payment gateway does
UPI is an instant payment system developed by NPCI. For merchant payments, the acquiring bank should assign an MCC (merchant category code) that accurately reflects the merchant’s business. That category can matter when determining eligibility and applicable charges. See the NPCI UPI FAQ.
A gateway connects an online business’s checkout to payment processing; a payment aggregator may also form part of the intermediary chain. The RBI’s 2019 discussion paper on these services highlights pricing and policy disclosures, complaint handling, disputes, settlement, security, and risk management as relevant areas to examine. It is a discussion paper, not a statement of current binding rules. Read the RBI discussion paper.
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1. Calculate the all-in cost for your payment mix
Ask each provider for a written quote based on your expected payment volume and the methods you will accept. Check for:
#1 Best Overall
- With Square Terminal, you can ring up sales, accept payments, and print receipts, all with one device. Use it at the counter or ring up customers anywhere in your store.
- Accept all major credit and debit cards and pay one low rate with no hidden fees and no long-term contracts.
- Process chip cards in just two seconds.
- Get your money as soon as the next business day.
- Use it cordlessly with the built-in battery, designed to last all day.
- Charges by payment method, including any UPI platform or technology fee.
- GST and any other tax applied to provider charges.
- Fees for faster settlement, if you need it.
- Custom pricing conditions, volume requirements, or category-based terms.
Provider pages describe different pricing models, so their headline claims are not standardized, directly comparable quotes. Cashfree says its platform fee is mutually agreed and that transaction fees are deducted from successful transactions before settlement. PayU says domestic pricing varies by payment mode and business profile, with UPI pricing depending on business type and volume. Razorpay distinguishes zero MDR on standard bank-to-bank UPI from a platform or technology fee. Get the terms for your own account from each provider: Cashfree pricing, PayU pricing, and Razorpay pricing.
Do not treat a limited-time promotion as your recurring cost. Cashfree’s pricing page displayed a promotion and campaign terms when reviewed; check eligibility, caps, dates, and terms directly before relying on it.
Rank #2
- Use the, easy-to-use, and customizable POS to get started.
- Accept contactless payments, chip cards, Apple Pay, and Google Pay from anywhere, with improved connectivity, extended battery life, and enhanced security. Pay one low rate for every tap or dip.
- No long-term commitments or contracts, no monthly fees- and with offline payments, keep taking payments for up to 24 hours.
- Safely and securely accepts payments anywhere. Plus, get data security, 24/7 fraud prevention, and payment-dispute management at no extra cost.
- Use the, easy-to-use, and customizable POS to get started.
2. Confirm your merchant category and MDR treatment
MDR is distinct from a gateway provider’s platform or technology fee. A Ministry of Finance release dated 15 September 2026 says P2P UPI remains free, merchant payments up to ₹2,000 remain free of MDR, and qualifying small merchants receiving up to ₹1 lakh per month through QR under the P2PM category continue to have zero MDR on all transactions. It describes MDR for specified other merchant payments above ₹2,000, with sector-specific terms, and says approximately 96% of P2M transactions remain unaffected. These are framework details, not an all-in provider quote. Confirm your business category and treatment with your gateway and acquiring bank. Ministry of Finance release, 15 September 2026.
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Compare the standard settlement schedule and the conditions for any faster option. Ask about cut-off times, weekends and bank holidays, reserves or holds, and what happens to settlement timing when a payment is refunded or disputed.
Rank #3
- Get your money as soon as the next business day.
- Get set up quickly with no long-term commitments. Download the Square Point of Sale app for free, create an account, and start taking payments anywhere.
- Run your business all in one place with the free Square Point of Sale app. Track your sales, manage inventory, accept tips, send receipts digitally, and more.
- Works with Apple devices with a Lightning connector.
- Cashfree: Its UPI page states a default T+2 settlement. Instant settlement may be available subject to bank approval and business or risk factors; the page describes access within 15 minutes for eligible businesses.
- PayU: It states standard settlement is T+2. Same-day or priority settlement may be available depending on business category and may carry a fee.
These are provider-stated terms, not guarantees for every merchant account. Ask what “instant” means for your account and get the applicable schedule and fees in writing. See Cashfree’s UPI page and PayU’s pricing page.
4. Match checkout options to how customers pay
Choose an integration that fits your sales workflow rather than selecting a gateway on UPI support alone. You may need a hosted web checkout, app SDK, website plugin, payment link, invoice, UPI intent, QR, or recurring payment option. Ask whether the feature works with your platform, requires separate activation, and is available for your business category.
Rank #4
- Accept all major credit and debit cards and pay one low rate
- No hidden fees and no long-term contracts
- Mobile card reader that accepts payments anywhere & anytime
- Use the free SumUp App on your smartphone or tablet to start accepting transactions
- Simply pay 2.6% +10 per in-person transaction
- Cashfree lists UPI collect, intent, QR, and WhatsApp-link options.
- PayU lists payment links, buttons, invoices, and web checkout.
Check the provider’s current feature and activation details on its Cashfree pricing page, Cashfree UPI page, and PayU pricing page.
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5. Evaluate reconciliation, refunds, disputes, and support
Before signing up, review the provider’s merchant policy and ask how its tools and teams handle:
Best Value
- With Square Handheld, you can accept payments, take tableside orders, or scan barcodes anywhere. With a slim design and comfortable grip, the POS is easy to carry in your palm or pocket. Square Handheld is designed to withstand water splashes and dust. Add an optional protective case for accidental drops. A long-lasting battery and offline payments let you keep selling.
- Slim, pocketable, and lightweight so you can accept payments wherever your customers are.
- Take tableside orders, bust lines, or use the built-in barcode scanner, all with one sleek device.
- A battery that can power through your shift and offline payments let you keep selling, even if your internet is down.
- Accept all major credit and debit cards and pay one simple rate with no hidden fees and no long-term contracts required.
- Reconciliation exports and transaction references.
- Failed payments, refunds, and disputes, including escalation routes and expected timelines.
- Support channels and the service commitments that apply to your account.
- Security controls and merchant responsibilities.
The RBI discussion paper identifies public disclosures about merchant policies, pricing, customer grievances, privacy, and terms as relevant. Its proposed framework says: “The Payment Gateways and Payment Aggregators shall disclose comprehensive information regarding merchant policies, pricing, customer grievances, privacy policy and other terms and conditions on the website and / or their mobile application.” This is wording from the paper’s proposed framework, not a claim that this sentence is itself a current rule. RBI discussion paper.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Provider facts to verify before choosing
| Provider | What its published information says | What to confirm for your account |
|---|---|---|
| Cashfree | Setup fee is stated as zero; successful transaction charges are deducted before settlement; UPI charges follow applicable law; platform fee is mutually agreed. Its UPI page states default T+2 settlement and says faster access may be available subject to approval and risk parameters. | Written platform and transaction fees, applicable tax, promotion eligibility and terms, settlement eligibility, and feature activation. Sources: pricing and UPI details. |
| PayU | Its page states no setup, onboarding, or annual fees; standard settlement is T+2; accelerated settlement may carry a profile-based fee. UPI pricing varies by merchant category and volume. | Your category- and volume-specific UPI quote, any accelerated settlement fee, and the settlement schedule. Source: PayU pricing. |
| Razorpay | Its pricing page says zero MDR applies to standard bank-to-bank UPI, while a platform or technology fee applies. | Your exact platform fee, tax treatment, and applicable terms. Source: Razorpay pricing. |
These statements come from provider pages and do not establish which gateway has the lowest total cost or the best service for a particular business. The reviewed sources also do not provide independent, directly comparable success-rate or uptime measurements for small businesses. A provider’s own performance claims are not a substitute for asking how its metrics are defined or running a limited pilot.
Use this checklist before you sign up
- Describe your use case: Note your business category, expected monthly volume, typical transaction values, payment methods, and whether you sell through a website, app, invoices, payment links, or QR.
- Request an account-specific quote: Ask for every applicable provider fee, GST, MDR treatment, settlement acceleration charge, and any conditions or minimums in writing.
- Confirm onboarding: Ask which KYC documents and activation steps apply to your business and whether any feature requires separate approval.
- Test the checkout fit: Verify the exact integration and payment flow your customers will use, including what happens when a payment fails.
- Get settlement terms: Confirm when funds become usable, how weekends and holidays are handled, and what can cause a hold or delay.
- Check operational support: Review reconciliation, refunds, dispute handling, complaint escalation, support channels, and the provider’s current merchant policy.
How to make the final decision
Compare providers using the same transaction mix and the same assumptions about settlement. Eliminate any option that cannot support your checkout or whose eligibility is unclear. Among the remaining options, compare the written recurring cost and cash-flow terms, then weigh reconciliation and support against the needs of your business. If two quotes look similar, a limited pilot can help you evaluate the actual workflow; the available sources do not establish a universal success-rate or uptime winner.
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