Important Contactless Payment Technologies

Contactless payment technologies have made digital transactions faster, safer and more convenient by reducing the need for physical contact between the payment instrument and the terminal. In India, the push has come through NFC-based payments, UPI-linked contactless features and AI-enabled tools that improve user control, transaction speed and security.

Near Field Communication (NFC) Technology

Near Field Communication is a short-range wireless technology that allows two electronic devices to communicate when brought within a few centimetres of each other. It works through electromagnetic induction between two loop antennas and is widely used in contactless cards, digital wallets and tap-based payments.

• Operating frequency: 13.56 MHz in the ISM band.
• Range: Typically up to 4 cm.
• Data speed: Up to 424 kilobits per second (Kbps).
• Nature: A subset of Radio-Frequency Identification (RFID) technology.
• Common uses: Contactless payments, device-to-device data exchange and quick pairing with Bluetooth accessories.

NFC supports three basic communication modes. In peer-to-peer mode, two devices exchange data. In read/write mode, an NFC-enabled device reads data from tags. In card emulation mode, the device behaves like a smart card, which is the mode used for contactless payments at Point-of-Sale (PoS) terminals.

For payments, an NFC-enabled smartphone or device is tapped near a compatible terminal. The device then emulates a payment card and transmits the required transaction details securely over the short range.

UPI Tap & Pay

UPI Tap & Pay is a contactless payment feature introduced by the National Payments Corporation of India (NPCI) for NFC-supported smartphones. It simplifies Unified Payments Interface transactions by removing the need to open a UPI application before making a payment.

• Launch: September 10, 2026, at the Global Fintech Fest.
• Launched by: RBI Governor Sanjay Malhotra.
• Device requirement: NFC-enabled smartphone.
• Payment method: Unlock the phone and tap it on a compatible PoS terminal.
• Mobile data: Not required on the smartphone, as the PoS terminal uses its own internet connection.
• PIN-less limit: ₹5,000; payments above this limit require a UPI PIN.

This feature is important for exam purposes because it shows how India is integrating NFC with UPI to make retail payments quicker and more seamless. It also improves consumer convenience in merchant environments where tap-based payments can reduce transaction time.

My UPI Platform

My UPI is an AI-powered conversational platform developed by NPCI. It is built on NPCI’s custom small language model, Finance Model for India (FiMI), and is designed to provide a more unified and user-friendly interface for UPI users.

• Unified dashboard: Consolidates UPI transaction histories across banks and third-party UPI applications.
• AutoPay integration: Brings recurring payment mandates such as subscriptions and utility bills under one interface.
• Safety switch: Helps users block suspected fraudulent debit transactions.
• Mobile number control: Allows users to delink a mobile number from receiving payments.

The platform reflects the broader move towards technology integration in payment systems. By combining transaction tracking, recurring payment management and fraud-control features, it aims to improve ease of use while strengthening cyber resilience.

Biometric UPI Transactions

Biometric authentication has been added to UPI transactions as an additional security layer beyond the traditional PIN-based system. It uses physical characteristics to verify identity and is generally tied to a registered device.

• Introduction: Biometric-authenticated UPI transactions were first introduced in 2025.
• Volume: By August 31, 2026, such transactions had crossed 6.29 billion.
• Common methods: Fingerprint recognition and facial recognition.
• Device linkage: Authentication is typically associated with a registered device to ensure user authorisation.

Biometric authentication improves convenience by reducing dependence on memorised PINs, while also supporting security through identity verification. For prelims, it is useful to remember that biometric payments are part of the larger trend of contactless and low-friction digital transactions.

Role of NPCI, UPI and AutoPay

NPCI and UPI form the backbone of India’s retail digital payment ecosystem. NPCI was established in 2008 as the umbrella organisation for operating retail payments and settlement systems in India. It was created as an initiative of the Reserve Bank of India (RBI) and the Indian Banks’ Association (IBA) under the provisions of the Payment and Settlement Systems Act, 2007.

• NPCI: Operates retail payment infrastructure and develops payment solutions.
• UPI: A real-time payment system developed by NPCI.
• RBI role: Regulates UPI to ensure stability and security.
• AutoPay: A recurring payment facility within UPI for subscriptions, utility bills and insurance premiums.

AutoPay is particularly important in the expanding digital ecosystem because it supports scheduled and repeat payments without repeated manual authorisation. This makes digital payments more efficient for both consumers and service providers.

Why These Technologies Matter

• Speed: Tap-based and biometric payments reduce transaction time at PoS terminals.
• Convenience: Users can pay without opening an app or entering a PIN in every case.
• Security: NFC’s short range, biometric checks and fraud-control tools improve trust.
• Interoperability: UPI links banks, apps and merchants on a common platform.
• Financial inclusion: Simple interfaces and contactless methods make digital payments easier to adopt.
• System resilience: Features like safety switches and device-linked authentication help reduce misuse.

Key Prelims Takeaways

• NFC is a short-range wireless technology operating at 13.56 MHz, with a range of up to 4 cm.
• NFC card emulation mode enables contactless payments at PoS terminals.
• UPI Tap & Pay is designed for NFC-supported smartphones.
• UPI Tap & Pay allows payment by unlocking the phone and tapping it on a PoS terminal.
• UPI Tap & Pay does not require opening a UPI app or having active mobile data on the phone.
• PIN-less limit for UPI Tap & Pay is ₹5,000.
• My UPI is an AI-powered conversational platform built on NPCI’s Finance Model for India (FiMI).
• My UPI offers a unified dashboard for transaction history and AutoPay mandates.
• My UPI includes a safety switch and an option to delink a mobile number from receiving payments.
• Biometric UPI transactions were introduced in 2025 and crossed 6.29 billion by August 31, 2026.
• Biometric authentication commonly uses fingerprint or facial recognition linked to a registered device.
• NPCI was established in 2008 as the umbrella organisation for retail payments in India.
• UPI is a real-time payment system developed by NPCI and regulated by the RBI.
• AutoPay supports recurring payments such as subscriptions, utility bills and insurance premiums.
• Global Fintech Fest is an annual fintech event held in India.

Recent Context

NPCI’s launch of UPI Tap & Pay and the My UPI platform on September 10, 2026, highlights the next phase of digital payments in India. The focus is on smoother contactless transactions, stronger user controls and better fraud management, reflecting the combined priorities of convenience and cyber resilience.