Based on the knowledge sources, Mixpanel's system events like $create_alias are excluded from your monthly event quota calculations.
According to Mixpanel's documentation, certain events and API updates are specifically excluded from the Monthly Events calculation, including:
- Identify ($identify)
- Create Alias ($create_alias)
- Merge ($merge)
- Opt In ($opt_in)
- Session Recording Checkpoint ($mp_session_record)
- User profile creation/updates
How Mixpanel Pricing Works explicitly lists these excluded events.
This exclusion applies to both event-based billing plans and MTU (Monthly Tracked User) billing plans. For MTU plans, the documentation at MTU Billing confirms that these system events are non-qualifying and excluded from MTU calculations.
So to directly answer your question: No, the $create_alias event is not deducted from your purchased quota.
