Trouble formatting server to server Oauth api messages like in the chatbot

I was trying to send messages to a zoom chat channel using server to server Oauth api but seems like I am not able to format the messages with full markdown functionality like in a chatbot api.
Does anyone have any idea?

Hi , @anandhusathee ,

Welcome to the Zoom Developer Forum – I’m excited to help here. To begin, could you please provide the code you are using to send messages to the Zoom chat channel ? This will help us identify the issue and serve as a useful reference when we test on our end.