There are links to Krita and Kis API docs here: https://docs.krita.org/en/user_manual/python_scripting/introduction_to_python_scripting.html#krita-s-api But they point to non-existing any more sites. After some searching in Google I was unable to find online API docs for Krita, all sites point to those non-existing links.
I recall either Halla or Wolthera telling me that api.kde.org had ceased parsing our source code for quite a bit... cc'ing them.
No need to cc me on bugzilla, I've got an efficent filter system setup for bugzilla mail, so I get all mail about krita bugs :-) And yes, the api.kde.org site broke some time ago, and we don't know when it will be up, the Krita team doesn't maintain it. If it stays down much longer, we might have to generate the apidox for libkis ourselves and add them to docs.krita.org. I reported it in the right place, here: https://invent.kde.org/frameworks/kapidox/-/issues/12