We don't keep old docs around (and we recommending keeping your platform up todate)

but you're welcome to look through the git history and run the docs yourself

the main question is why datasourceId and assignmentQueryId are required params for API post request, but not needed when you create experiments manually with a help of features? As far as I understand it is needed only to check stats between variations

@fresh-football-47124 I hope you’re doing well! Have you had a chance to review my question above? I’d greatly appreciate your input whenever it’s convenient for you. Thank you in advance!