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Vulcan: How Razorpay built a foundation model for payment decisions

calendar_today September 10, 2026 person Vaidehee Joshi domain razorpay

Anyone who has bought something online has been through this journey. To a shopper, a payment is one action: choose a method and click Pay. Behind that action, we have to get many decisions right, from the moment checkout renders to long after the parcel ships.

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