how to transfer spot to isolated margin for a new symbol eg:ADABUSD

API Spot/Margin API
1

reqError:respBody{“code”:-11001,“msg”:“Isolated margin account does not exist.”} Url:https://api.binance.com/sapi/v1/margin/isolated/account?recvWindow=30000&signature=----&symbol=ADABUSD&timestamp=1666146702391 Method:POST post:
{“code”:-11001,“msg”:“Isolated margin account does not exist.”}

2

Your request’s params should be in this order:
GET https://api.binance.com/sapi/v1/margin/isolated/account?symbols=ADABUSD&timestamp=1666166948520&signature=xxx

You need to open the Isolated margin account as mentioned in this post.

To transfer, use this endpoint.

As an extra, here’s an older post that mentions same error message, maybe it can help you to understand a littler better on the flow: