Do I need to own Minecraft to use OnMe?

Yes, wherever a feature requires connecting a Minecraft Java account. OnMe is a control panel, not a license — it doesn't grant, sell, or include a copy of Minecraft, and it can't be used to play without a genuine, owned Java account.

You must only connect accounts you own or are expressly authorized to manage on behalf of someone else. If you're managing a fleet for other people, keep records of that authorization — it's your responsibility, not OnMe's, to confirm it.