Design one in a minute, record your voice on it, and send it to the one person it's for. The link unfurls into the ticket on WhatsApp.
Step one · the plan
Ready
Their code
On WhatsApp the link unfurls into the ticket itself. You'll see their answer under My tickets.
Box office
Six characters, from whoever wants you there.
Sealed for
Someone put this together by hand.
Sent by you