Go through the python kiteconnect FAQs here.

Yes, as @shivdas_b mentioned onOrderUpdate won't publish updates on closed or AMO status. I just checked for the limit MCX order and it's publishing updates fine. Go through the order update FAQs her…

the same error when placing the order

Go through the FAQs here.

You can use the order margin API.

You can use the order margins API.

Header content type should be URL encoded --header 'Content-Type: application/x-www-form-urlencoded' and form input data should be in the same format as given in the examples.

You can use the order margin APIs to get the complete charges. Go through the response charges structure here.

Go through the orders FAQs here.

Go through the order postback FAQs here.

Can anyone kindly respond why this issue happens and how do we handle it?

Are you allowing placing bracket order via API in Zerodha?

orders = [...]

what is the solution for this issue

Can you give the complete request param for the order_margins call?

Hi, referring to https://kite.trade/docs/connect/v3/orders/#order-statuses

Go through order FAQs here.

Go through the order FAQs here.

Go through the order FAQs here.

Order id is present in the response of the place order request only. You can know more here.