Has someone done this previously, there is not much info online, and I can`t get the Http action to work in creating a group, the Microsoft docs about that are not that straightforward and I keep getting errors.

Has someone done this previously, there is not much info online, and I can`t get the Http action to work in creating a group, the Microsoft docs about that are not that straightforward and I keep getting errors.
Did you try to do that in the Graph Explorer? If so, you should do that with a flow.