Razorpay Launches Vulcan AI Model Trained on 4 Billion Payments to Cut Fraud and Boost Success Rates

5 Sources

Share

Razorpay unveiled Vulcan, India's first transformer-based AI foundation model for payments, trained on 3 trillion data points from 4 billion transactions. Built with Nvidia and AWS, the model delivers 8-10% higher payment success rates and detects 8x more international card fraud. Early adopters including Blinkit and redBus are already seeing results.

News article

Razorpay Unveils India's First AI Foundation Model for Payments

Razorpay has launched Vulcan, India's first transformer-based AI foundation model built specifically for digital payments

1

2

. The omnichannel payments platform developed this AI model in collaboration with Nvidia and Amazon Web Services to address persistent friction in India's digital payment ecosystem. Trained on approximately 3 trillion data points across 4 billion payments, Vulcan represents a shift from fragmented, task-specific models to a unified intelligence layer that handles payment routing, fraud detection, risk assessment, and checkout personalization simultaneously

2

3

.

CEO Harshil Mathur explained the model's purpose: "Like LLMs are trained on text to understand language, Vulcan is trained on payments to understand how money moves"

3

. The model processes roughly 3,000 signals per transaction, drawing on data across merchants, payment instruments, issuers, and gateways to make real-time routing decisions and spot fraud patterns that would be invisible to isolated systems

1

4

.

Early Results Show Significant Gains in Payment Security and Success

Ahead of the full launch, early components of Vulcan have been running on live transactions across Razorpay's network, with customers including Blinkit, Bachatt, and redBus already experiencing measurable benefits

2

. The results from beta testing demonstrate substantial improvements: an 8-10% improvement in payment success rates, 8x more international card fraud detected and stopped, and 5x more fraudulent or disputed transactions identified without increasing alert volumes

2

3

.

Through Magic Checkout, 40% more shoppers now see their preferred UPI app, helping complete an additional 1-2 lakh purchases every month

2

. These gains matter particularly as India's e-commerce market heads toward a projected $350 billion by 2030

2

. For businesses, the AI model translates to fewer lost sales, reduced OTP drop-offs, lower fraud losses, and fewer return-to-origin shipments. For consumers, Razorpay promises payments that simply work every time

2

.

Why India's Payment Landscape Demanded a Different Approach

An internal Razorpay study across 1.5 million shoppers and more than 51,000 businesses revealed identical payment friction across metro cities and small-town markets

2

. This pattern convinced the company to build a single shared model rather than continue refining separate systems. India's payment complexity is unique: a single purchase can be processed via UPI, cards, net banking, wallets, or cash on delivery across hundreds of banks and gateways

2

.

The traditional industry approach relied on separate, specialized models for routing, fraud, risk, and checkout that operated in isolation, even though the same signals mattered to all of them

2

. Vulcan addresses this by learning from the entire payments ecosystem's data points at once, continuously improving with every transaction it processes

2

5

. The model can identify patterns linked to suspicious activity that would be difficult to detect manually, while avoiding the mistake of wrongly stopping genuine payments

5

.

Technical Infrastructure and Proprietary Development

Training a model on 3 trillion data points across 4 billion payments required substantial computational resources. Nvidia's GPUs powered the training and running of the AI model at scale, while AWS's cloud infrastructure, including Amazon SageMaker, supported development, training, and deployment

2

. Razorpay built Vulcan entirely from the ground up, with both the architecture and training data proprietary to the company

2

3

. The model was built, trained, and hosted entirely in India

3

.

Razorpay is not charging merchants separately for Vulcan capabilities

3

. The company plans to expand Vulcan to authentication and lending, using one AI layer across more of the payment journey

3

. This expansion comes as Razorpay moves toward a public listing, having secured shareholder approval in May for a Rs 2,700 crore fresh issue

3

.

Unanswered Questions on Data Privacy and Merchant Control

While Razorpay has disclosed technical details about Vulcan's scale and performance, several critical questions remain unanswered regarding data governance. The company has not publicly stated whether merchants can opt out of having their transactions used for Vulcan's training, or what happens to learned patterns if a merchant leaves the platform

3

. Razorpay has not clarified whether the 3 trillion data points include data that identifies individual consumers, a distinction that determines whether the DPDP Act applies to the training process

3

.

The legal basis for training also remains unclear. For much of the transaction data it handles, Razorpay acts as a processor for merchants, not the data owner

3

. Under the Digital Personal Data Protection Act, 2023 (DPDP Act), a data processor may use data only on the fiduciary's instructions and for the fiduciary's purposes

3

. Training a model that Razorpay owns represents a separate purpose from processing individual merchant transactions, raising questions about whether existing consent covers this use.

The planned expansion into lending raises additional concerns about fairness and explainability. A model trained on transaction patterns to score payments, then extended to score creditworthiness, creates questions about whether a declined borrower can be told why

3

. As Vulcan improves with every transaction and Razorpay owns it outright, the data feeding the model becomes a commercial asset ahead of the company's public listing

3

.

Today's Top Stories

© 2026 TheOutpost.AI All rights reserved