1. How long connection will live once after login in KiteConnect and websocket? Do I need to refresh connection? 2. Do I need to log in again after some time interval?
Every request is authenticated using access token which is valid for one whole trading session(one day). A websocket connection will last forever if there is no interruption.
A websocket connection will last forever if there is no interruption.
You need to log in at least once in a day.