23000 rupess gone within 1 second. I was building a copy trader software for my client, the work was simple , user will only place trade in one demat account and the same order should be placed in other connected accounts , My problem is how could I implement this using the API from like Dham, upstox , Groww. After building that , i connected the real api instead sandbox because sandbox does support the postback api. I was almost about to test the entire system later realized client gave me the real account which he was regularly trading. If my software make one wrong api call , he might loose all his bets So I asked client for new fresh account with less or no funds, that's how we stopped a disaster

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