Maybe this needs to be a request for enhancement, but I would like to reference an existing API in a schedule. Is this possible?

Maybe this needs to be a request for enhancement, but I would like to reference an existing API in a schedule. Is this possible?

You can call it using API Action.
Or, better yet, just move the contents to a library SA and use include/exec steps in both SA & Scheduler SA.
Thanks @sid!
Scheduler > Include Action > Library > API for the win.