Customer Stories / Financial Services / India

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Paytm Efficiently Scales to Manage Millions of Devices Using AWS IoT Services

Learn how Paytm in the financial services industry supported seamless financial transactions using AWS IoT services.

Scaled to manage

nearly 7 million IoT devices

Migrated IoT devices

to AWS in a few months

Reduced fraud incidents

to nearly zero

Achieved 99.99%


Improved success rate

of message delivery for broadcast


Paytm aims to bring 500 million people to the mainstream economy as part of its commitment to bringing modern financial technologies and services to small and medium merchants across India. Critical to the company’s mission is the Internet of Things (IoT), which helps automate payment processing and securely connect devices involved in payment transactions with Paytm’s internal applications. However, Paytm’s legacy IoT management system made it difficult for the company to scale its fleet of devices, perform large-scale updates, streamline remote management, and develop and deploy new features.

Searching for a secure, scalable solution, Paytm migrated from its legacy cloud provider to Amazon Web Services (AWS). By adopting a range of AWS IoT services, Paytm can now manage millions of IoT payment processing devices, securely route messages, reduce fraud incidents, and improve transparency and trust among its customers.


Opportunity | Migrating Away from a Legacy IoT Management System

As one of the largest payment gateways in India, Paytm manages and processes financial transactions for millions of consumers and merchants. Among its most popular IoT solutions are Soundbox devices, which provide audio confirmations for merchants accepting payments from Paytm QR codes. Paytm’s Dynamic QR Code service lets enterprises accept contactless in-store payments through the Paytm app. The company had managed its IoT devices using a cloud-based system controlled by a third-party provider, which was challenging to scale and maintain.

Acknowledging that it required an advanced and robust solution, Paytm initially explored building its own IoT management system. To bring more merchants into its system, however, the company needed a level of scalability that would be expensive and time-consuming to achieve on its own. Having been an AWS customer for nearly 10 years, the Paytm team knew that it could rely on AWS services to build a secure, reliable solution.


We want to bring 500 million people online. Using AWS IoT services, we are meeting this goal at scale and building trust for accepting online payments.”

Akhil Billa
Product Manager for IoT Devices, Paytm

Solution | Improving Scalability, Availability, and Transparency on AWS

In only a few months, Paytm migrated its fleet of IoT devices to AWS. By using a range of AWS IoT services instead of building its own solution, it has saved on infrastructure costs and labor, freeing its development team to focus on building innovative and differentiated services for its customers.

Paytm first worked to build a scalable and stable IoT architecture using AWS IoT services, using a custom authorization feature to authenticate and register a large set of IoT devices and to facilitate communications between each device and internal applications. Then, it built a comprehensive device management system to organize, monitor, and remotely manage IoT devices at scale and facilitated security monitoring and management across its fleet of IoT devices.

Using various solutions, Paytm has gained greater control over and visibility into the health of its large device base. This visibility has particularly benefited its maintenance team, helping them address customer issues.

At the same time, Paytm has improved system performance. Every month, it can perform over-the-air updates for a large number of IoT devices simultaneously. The broadcast on Soundbox happens almost instantaneously after the customer completes a transaction on the Paytm app through All-in-One QR, yet another of Paytm’s innovations. The system sees availability of up to 99.99 percent and quickly recovers from network outages without intervention.

“The AWS team has helped us address technology problems to a great extent, particularly hardware-related IoT challenges,” says Prateek Tuli, associate vice president of Paytm. “This has empowered Paytm to build a very robust, resilient, and scalable solution that is deployed in various geographies, ranging from major cities to remote areas. The predictable behavior of our technology helps us win the trust of our customers and merchants.”

Paytm has also vastly reduced incidents of fraud, improving its brand recognition and credibility among merchants. Previously, some consumers used screenshots from previous transactions to trick merchants into confirming payments. With the introduction of AWS IoT services into its fleet of Soundbox devices, Paytm has reduced fraud complaints to nearly zero and further improved transparency and trust among its customers.

“Our devices have a virtually 100 percent success rate, which means that there is no fraud if our devices are being used by merchants throughout their businesses,” says Akhil Billa, product manager for IoT devices at Paytm. “Our customers are extremely happy with the product because it’s a low effort for them to manage.”

With these highly scalable solutions, Paytm is increasing the number of IoT devices in its system on AWS. By making the solution simpler to use, more merchants have adopted Paytm solutions for their businesses. The company adds close to one million devices every quarter, reaffirming its position as a market leader.

Outcome | Harnessing IoT Data to Build Proactive Business Intelligence

On AWS, Paytm has effectively and securely scaled to manage nearly seven million devices, vastly improving the payment transaction experience for its merchants. It plans to further expand its IoT fleet by the end of 2023. In the future, Paytm will build out its data analytics capabilities so that it can harness the full power of its IoT data and discover new ways to further improve the user experience.

Paytm will continue to build on AWS to make its mission a reality. “We want to bring 500 million people online. Using AWS IoT services, we are meeting this goal at scale and building trust for accepting online payments,” says Billa.

About Paytm

Paytm is the consumer brand of a top Indian mobile internet company, One97 Communications. As a financial services company, Paytm offers full-stack payment and financial solutions to millions of consumers and merchants.

AWS Services Used


AWS offers Internet of Things (IoT) services and solutions to connect and manage billions of devices. Collect, store, and analyze IoT data for industrial, consumer, commercial, and automotive workloads.

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