Error: "You are not authorized to execute this request."

Get error in https://api.binance.com/sapi/v1/convert/getQuote?fromAsset=USDT&toAsset=PEPE&fromAmount=1&timestamp={{timestamp}}&signature={{signature}}

I have enabled permission for spot and margin trading in binance with my API key also whitelisted the IP address ,other api are working but /sapi/ is not working

Hey,
Take a look at this post, it might be helpful: Error: You are not authorized to execute this request.