Here you can read the Q&A history.
To get new community support please go to GitHub discussions (KnowageLabs/Knowage-Server · Discussions · GitHub).
Hi, here you can find the documentation for the Public REST API of Knowage:
https://knowage.docs.apiary.io/
There is also a Javascript SDK described here:
https://knowage.readthedocs.io/en/latest/