Do I need a group chat for this at all?
No, and that is the appeal of status as an invitation surface. It reaches the contacts who see your updates, whether or not they share a group with you. Every viewer lands on the same page and the same reply form, wherever they came from.
Can I see who opened the invitation from my status?
The page counts replies, not taps. You will know who said yes and who has not, which is the number that feeds the kitchen โ status itself tells you only that someone looked.
Status is semi-public. What about a private party?
Two layers help. WhatsApp's privacy settings decide whose status bar shows your frame, and a password on the page means a shared link reveals nothing without the word. For a true surprise, a private group plus a locked page beats a status any day.
Is one status frame enough?
Rarely. Frames expire in twenty-four hours and half your contacts miss them. Re-post the same link before the deadline, and again the day before, and let the page's countdown carry the sense of the date closing.
Can the page take the weight if strangers tap through?
It shows exactly what you wrote: the event, the place, the rules of replying. You never have to explain the plan again in a direct message, which is the difference between status as an announcement and status as an invitation.