On This Teachers’ Day: How Vijay Shekhar Sharma Helped India Learn Mobile Payments
Paytm founder Vijay Shekhar Sharma helped drive India’s shift towards mobile and QR-based payments, while the company’s Soundbox made transaction confirmations easier for merchants. Paytm is now applying AI to merchant devices and business operations, showing how simplifying technology can turn innovation into everyday habits.

Paytm founder Vijay Shekhar Sharma’s digital payments journey reflects the growing role of simple, practical technology in everyday life |
Before mobile payments became routine, India had to first learn that a phone could be used in place of cash.
Vijay Shekhar Sharma was among the early entrepreneurs who pushed that behavioural shift at scale. Through Paytm, mobile payments moved from an unfamiliar idea to an everyday habit across shops, taxis, pharmacies, petrol pumps and neighbourhood stores. “Paytm karo” became one of the earliest phrases associated with paying digitally.
The larger digital payments revolution was subsequently accelerated by the Government of India’s push towards digitisation and the creation of UPI, which gave the country a powerful, interoperable public payments infrastructure. Paytm built on that ecosystem by taking QR-based payments deeper into merchant counters across India.
Its innovation was often focused on solving simple, real-world problems.
When merchants found it difficult to repeatedly check their phones after every payment, Paytm introduced the Soundbox, which confirmed transactions through voice. The familiar payment announcement soon became part of everyday Indian retail. Paytm later extended audio confirmations to its card machines as well.
The company is now trying to take that idea further with artificial intelligence. Its AI-led merchant devices are being designed to move beyond payment confirmation and help businesses access transaction and business information through voice, including in Indian languages.
Paytm is also using AI across merchant onboarding, fraud prevention, collections, retention and engineering.
On Teachers’ Day, the Paytm journey offers a broader technology lesson: adoption happens when complex technology is made simple enough to become a habit.
Sharma helped start that learning curve with mobile payments. India’s public digital infrastructure helped scale it nationally.
The next chapter may be about doing the same with AI.
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