Unable to render post webpage

When i login with otp, passcode, then at server the access token is generated , simultaneously at client side my page is rendered to redirect_uri.- there is error of cannot Get “/ " if make .
app.get(”/",req, res => res.send(working))then its shown doing all above process.
how to show profiler page or home page as it rendered .

@vinod_mokashi,

Having multiple threads on the same topic can lead to inefficiency and confusion. It would be more productive to consolidate our discussion in one place. For the current topic, please refer to the following thread: Upstox Community Discussion.

Thank you!