Digital payments startup Razorpay has acquired Gurugram-based fraud analytics startup Thirdwatch in an all-cash deal. Razorpay did not disclose details of the deal. “Thirdwatch will help us offer artificial intelligence and machine learning-based detection tools to reduce cash on delivery frauds which we will be offering to ecommerce platforms that are our clients,” said Harshil Mathur, chief executive officer, Razorpay.