The Seat Map That Can't Double-Sell a Ticket
A seat-map ticketing platform built for the Amish Country Theater's 538 seats — an interactive SVG seat picker, a ten-minute checkout hold with atomic seat claims, and a staff point-of-sale, owned outright instead of rented from a vendor.
The Amish Country Theater sells real seats, in real rows, and the online buying experience is the first impression every guest gets before the house lights ever come down. A rented, generic ticketing vendor doesn't feel like the theater's own — it feels like a detour through someone else's site.
Selling seats also means never double-selling them: two people tapping the same seat at the same moment during a rush is the kind of failure a theater can't explain away at the door.
We built Zendini: a seat-map ticketing platform that's the theater's own, multi-tenant from the first table so the theater is tenant number one rather than a hardcoded assumption.
- Shows own events; individual performances inherit pricing and details by default and can override any tier for a single date without touching the rest — change a show's description once and it updates everywhere.
- An interactive SVG seatmap renders the theater's real 538-seat layout, section by section, row by row, with color-coded price tiers and live availability.
- Checkout holds a seat for ten minutes, and the final claim happens inside a single atomic database transaction — if two checkouts race for the same seat, exactly one wins and the other gets a clear message instead of a double-sold ticket.
- A staff-facing box-office POS mode handles the half of ticket sales that never touch the website — phone orders, walk-ups, comps — in one unified selling flow for reserved seating and general admission.
- Group sales take a deposit, flat or percentage, then track balances through as many partial payments as a tour operator needs, with unpaid holds lapsing back into sellable inventory automatically.
- Tickets are QR-coded and scanned at the door, so will-call and walk-up check-in run off the same system as online sales.
The Stack
538 seats
Rendered as a real, interactive seatmap — every row, every section
Zero double-sells
Atomic seat claims inside a single database transaction
~80 commits
From empty project to pre-launch hardening
Q1 2027
Targeted launch, timed to the theater's off-season
“Multi-tenant from the first table — the theater is tenant number one, not a hardcoded assumption.”
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