Question on how to use application to launch a browser with sheet open

Question on how to use application to launch a browser with sheet open

Hi,

We're trying to integrate the following feature into our C++ based application.
We want to allow the users to click a button to launch a browser with associated Zoho sheet open in it.
We used ShellExecute to open the URL listed below from the application with our apikey, but it didn't work.
https://apihelp.wiki.zoho.com/Open-Document.html
Can you help to tell us the URL we should use, please?
If this is not the right way to do this. Can you tell us how can we achieve this goal, please?
Any help is appreciated.

Best Regards,
Benny