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UPI full form: Unified Payments Interface explained
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UPI stands for Unified Payments Interface. It is an instant real-time payment system, developed by the National Payments Corporation of India (NPCI), that lets you pay or receive money straight from your bank account through a mobile app, using a virtual payment address instead of account details. NPCI is a not-for-profit company set up in 2008 with RBI and Indian Banks' Association backing. UPI was piloted in April 2016 and launched with 21 banks in August 2016.
How a UPI payment works
- You link your bank account to a UPI app and create a UPI PIN.
- Your phone number is tied to a virtual payment address (VPA) such as name@bank. A QR code or phone number can stand in for it.
- You enter the amount and the receiver's VPA, scan a QR code, or approve a collect request.
- You enter your UPI PIN. The money moves between the bank accounts in seconds.
The PIN plus your registered device act as two-factor authentication. You never share your card number or account details with the payee.
Key features
- One app can link to several bank accounts.
- Both "pay" (push) and "collect" (pull) requests are possible.
- It works 24x7, every day.
- It runs over the infrastructure built for IMPS.
- UPI Lite offers small offline-style payments, and UPI 123PAY lets feature-phone users pay through voice and IVR.
- UPI has been linked with payment systems in other countries for cross-border use, such as Singapore's PayNow.
UPI and other systems
UPI is the everyday payment layer. NEFT and RTGS are the RBI's own systems, mostly used for bigger or bank-to-bank transfers. For merchants and individuals alike, UPI sits on top of the same bank accounts, which must meet KYC norms.
How bank exams ask about it
Questions: "UPI is developed by", "UPI stands for", "when UPI was launched", "which of these is a UPI feature", and sometimes "name the app / feature for feature phones". Because UPI features and per-transaction limits change, recent questions also draw on news. Take limits from NPCI, not from memory. See the broader digital payments cluster in banking awareness.
Where to check
NPCI's UPI pages at npci.org.in have the current limits, member apps and international links. RBI circulars at rbi.org.in cover policy.
Frequently asked questions
Is UPI run by the RBI?
No. NPCI operates it. The RBI regulates payment systems and gave NPCI its authorisation.
Do I need a smartphone to use UPI?
Not always. UPI 123PAY lets feature-phone users make payments using IVR and other methods, and you can also use USSD-based services on some phones.
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- IMPSIMPS lets you transfer money between bank accounts instantly, 24x7, including bank holidays, using a mobile number and MMID or account number and IFSC.
- NEFTNEFT is the RBI-run system for transferring funds between bank accounts in half-hourly batches, available 24x7. Full form, how it works, vs RTGS and IMPS.
- RTGSRTGS is the RBI system for large-value payments settled one by one in real time and final once sent. Full form, minimum amount, timings and exam facts.
- KYCKYC (Know Your Customer) is the identity and address check banks must do before opening an account. Meaning, officially valid documents, e-KYC, V-CIP and CKYC.
- White label ATMA white label ATM is owned and run by a non-bank company and serves customers of all banks. Meaning, RBI authorisation, how it differs from brown label ATMs.
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