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The short answer: An Indian merchant accepts UPI by onboarding through an acquiring bank. That bank configures the merchant identifier, merchant category code (MCC), acceptance method, settlement account and support process. A customer’s successful payment confirmation is not the same as a guaranteed payout time to the merchant’s bank account: NPCI says receipt is governed by the merchant’s agreement with its acquirer. Refunds and transaction-status complaints also go through that acquiring relationship, while merchant fees depend on the specific contract and tariff.
This guide explains the four UPI integration modes, what “immediate” settlement means in NPCI’s wording, how to handle returns and pending transactions, and which fee claims can—and cannot—be generalized.
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How to onboard a merchant for UPI
NPCI’s merchant FAQ says a business enables UPI by partnering with an acquiring bank. The acquirer supplies the UPI infrastructure and manages onboarding details such as the merchant identifier and merchant category code (MCC). The bank—not a countertop display, QR-printing service or payment app alone—establishes the merchant relationship.
Practical onboarding sequence
- Choose an acquiring relationship. Ask a bank or payment provider that acts for an acquiring bank which UPI products it supports and which merchant agreement applies to your business.
- Complete the acquirer’s onboarding checks. The bank will tell you what business information, account details and verification documents it requires. Confirm the legal name and trading name that will appear in payment records.
- Confirm your merchant identifiers. Obtain the merchant ID, MCC, settlement account or pool-account arrangement, support contact and transaction-reporting access supplied under the agreement.
- Select an integration mode. NPCI lists QR, intent, application-based and collect integrations. The right choice depends on where customers pay and how you need status and reconciliation information delivered.
- Test before going live. Make a low-value test payment, verify the merchant-side status and receipt, and check how the transaction appears in the acquirer’s report. Keep the transaction reference for reconciliation.
- Publish the configured payment point. For a physical shop, this may be the bank-configured QR on a counter or invoice. For digital checkout, use the integration supplied by the acquirer rather than substituting a personal UPI ID.
NPCI does not prescribe one universal onboarding form, approval time or provider price. Those details belong to the acquirer’s current process and contract.
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What are the available integration modes for a merchant?
NPCI names four modes. It does not rank them, promise that one is cheapest, or state that one works for every type of business. Use the comparison below to frame questions for your acquirer.
| Mode | How the customer reaches approval | Typical fit to evaluate | Questions for the acquirer |
|---|---|---|---|
| QR | The customer scans a merchant QR containing merchant information, including the merchant UPI ID and, where applicable, the amount. | Counter sales, invoices and other situations where the customer can scan a displayed code. | Is the QR static or amount-specific? How are payment notifications, refunds and reconciliation reports delivered? |
| Intent | An online checkout passes payment information to a compatible UPI application for customer approval. | Web or mobile checkout where the customer is already using a UPI app. | Which devices and apps are supported, and how are failed or abandoned intents reported? |
| Application-based | The payment experience is built into an application or software flow. | A merchant’s own app or a platform that controls the checkout experience. | What development work, maintenance, callbacks and status-retry procedures are required? |
| Collect | The merchant initiates a payment request to the customer’s UPI address; the customer approves it in the UPI app. | Use cases where the payer’s UPI address is available and a request-based flow is appropriate. | How are requests authenticated, timed out, cancelled and matched to an order? |
A countertop QR stand can make a configured merchant QR visible at a physical checkout, but it is optional presentation equipment. It does not replace acquiring-bank onboarding or create a merchant account by itself.
When will a merchant receive the money after a UPI transaction?
There are two separate events:
- Payment confirmation: the customer’s UPI transaction is approved and the customer sees a successful debit or payment result.
- Merchant receipt or settlement: funds are credited to the merchant pool account or bank account under the acquirer’s settlement arrangement.
NPCI’s merchant FAQ states: “Merchant will receive the money immediately after customer confirms the payment into the merchant Pool bank account/ merchant bank account as per their agreement.” The final words are decisive. “Immediately” in that sentence is not a universal promise that every merchant will see a bank-account credit at the same minute or within a fixed number of hours. Your agreement determines the destination, batching, reporting and applicable schedule.
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NPCI’s customer FAQ describes a pending case in which the payer has been debited but the beneficiary has not yet been credited as a beneficiary-bank delay. It says the funds are expected after the bank completes its daily settlements. That guidance explains a customer transaction state; it is not a merchant-wide payout service-level agreement. A merchant should therefore use the acquirer’s status and settlement report when deciding whether an order is paid.
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What to do when the customer says “paid” but your system does not
- Ask for the UPI transaction reference and the exact amount and time shown in the customer’s app.
- Check the merchant dashboard, notification channel or settlement report supplied by the acquirer, not just the customer’s screenshot.
- Do not mark the order as settled solely because the payer’s account was debited; wait for a matching merchant-side status or confirmation from the acquirer.
- If the status remains unresolved, raise it with the acquiring bank using the transaction reference and retain the case number for reconciliation.
How does a merchant refund a returned product or rejected service?
For a goods return or a service that the customer rejected, NPCI’s FAQ says: “Merchant will ask the bank to refund the charged amount as per the defined process.” In practice, start with the acquiring bank or provider that onboarded the merchant and follow its refund screen, form or support route.
Refund checklist
- Match the request to the original UPI transaction reference, amount and order or invoice.
- Confirm the return or cancellation under your own sales policy before initiating the bank’s refund process.
- Submit the refund through the acquirer’s defined channel; do not send money to an unrelated UPI address as a substitute for a transaction-linked refund unless the acquirer expressly instructs you to do so.
- Save the provider’s refund acknowledgement, reference and date with the original payment record.
- Tell the customer that the refund has been requested and provide the reference the acquirer gives you. If the credit is not visible, the customer should use that reference when contacting the merchant first and, where directed, the customer’s bank.
NPCI’s merchant FAQ does not state one refund deadline that applies to every acquiring bank. Do not promise “instant,” “24-hour” or any other universal turnaround unless your own agreement specifies it.
Special case: UPI Pay by Points
NPCI’s Pay by Points FAQ describes a feature-specific arrangement: the merchant receives the full transaction amount under the standard UPI settlement process, while the issuer and NPCI handle the split between reward points and credit internally. A refund for that feature goes back to the original payment method, with points credited back to the rewards account. Apply this description only to Pay by Points transactions, not to ordinary UPI payments.
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NPCI directs merchants to their acquiring bank to raise a grievance or check a UPI transaction’s status. The acquiring bank can see the merchant-side records and route the case within the payment chain.
Information to include in the complaint
- Merchant ID or other identifier shown in your acquirer account.
- UPI transaction reference, order or invoice number, amount and date/time.
- The status displayed to the customer and the status displayed in your merchant system.
- Whether the issue concerns a missing credit, duplicate-looking entry, refund, settlement report or fee.
- Copies of relevant receipts or provider acknowledgements, while redacting unnecessary customer information.
Keep the acquirer’s case number and update your reconciliation record when the bank confirms the final status. NPCI’s FAQ does not replace the support and escalation terms in your merchant agreement.
What charges apply to UPI merchants?
Do not confuse a customer-fee statement with a merchant-pricing statement. NPCI’s FAQ says customers pay no charge for UPI transactions involving linked prepaid payment instruments (PPIs). That answers the payer-side question; it does not establish that every merchant arrangement has no acquiring, rental, gateway, software or service fee.
Before signing or renewing an agreement, ask for the current tariff in writing and check whether each item is per transaction, monthly, one-time, tax-exclusive or conditional on a device or integration.
| Cost area | What to verify |
|---|---|
| Transaction pricing | Any percentage, fixed amount, minimum charge, tier, instrument-specific rate or tax. |
| Equipment and software | QR stands, notification devices, terminals, application access, rental, setup and replacement charges. |
| Settlement and reporting | Whether settlement, reconciliation exports, statements or special reports carry a fee. |
| Refunds and disputes | Any refund-processing, chargeback-like investigation or support fee and when it is applied. |
| Contract conditions | Minimum volume, lock-in, early termination, reserve, delayed-settlement or account-maintenance terms. |
The limited RuPay credit-card rule
NPCI’s 2022 operating circular for RuPay credit cards linked to UPI says those transactions use the existing UPI settlement process and describes interchange arrangements. It also specifies nil MDR for a defined small offline merchant category on transactions up to ₹2,000. That is an instrument-, category- and transaction-specific rule from that circular—not a universal “UPI is free for merchants” tariff. Confirm whether the circular’s category and current amendments apply to your arrangement.
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A separate RBI source concerning unbundling MDR for card categories is about card-acquiring transparency. It is not a complete, current price list for UPI merchant acceptance, so it should not be used to infer your UPI rate.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Choosing an acceptance setup
Start with the checkout environment rather than a claimed winner. A physical retailer may value a clearly displayed QR and reliable sound or dashboard notifications. An online seller may need intent or application integration with a server-side order-status callback. A business that sends payment requests may evaluate collect. These are fit questions, not NPCI rankings.
- Customer path: Can the payer reach and approve the request without confusion?
- Configuration burden: What must your staff, website or app maintain?
- Status visibility: Can you distinguish success, pending, failure and reversal for each order?
- Reconciliation: Does the report include transaction references, amounts, refunds and settlement dates?
- Support: Who handles a missing credit or failed refund—the provider, acquiring bank or another party?
- Commercial terms: What settlement, refund, rental, gateway and service fees appear in the agreement?
Daily controls that prevent settlement and refund mistakes
UPI acceptance becomes easier to manage when payment records are tied to orders instead of treated as a stream of unexplained credits.
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- Assign one internal order or invoice reference to each payment request.
- Reconcile merchant-side success records with the acquirer’s settlement report, including the settlement account or pool-account entry.
- Record unresolved transactions in a queue with the UPI reference, amount, customer communication and bank case number.
- Keep refund acknowledgements beside the original sale until the customer credit is confirmed.
- Review the acquirer’s tariff whenever a fee, settlement schedule or integration changes.
- Limit access to transaction data and retain only what your accounting, customer-service and dispute processes require.
Common mistakes and the correct response
Treating a successful customer screen as a payout guarantee
Use the merchant-side status and the acquirer’s settlement terms. Customer confirmation and bank-account payout are related but distinct events.
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Quoting a universal settlement hour
NPCI leaves merchant receipt to the agreement with the acquirer. Publish the schedule in your own contract or support material only after verifying its current terms.
Promising a universal refund deadline
NPCI describes the bank-defined refund process but gives no single deadline. Communicate the acquirer’s stated timeline, or say that the request is being processed without inventing a guarantee.
Assuming no customer fee means no merchant fee
The PPI-linked customer-fee statement does not answer your acquiring tariff. Check the merchant contract and current schedule.
Using a personal QR for a business sale
Ask the acquiring bank for the merchant-configured QR and identifiers so that settlement, support and reconciliation attach to the business account.
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