Seating app — working prototype

Guest booking flow

The widget guests use, with live availability, real slot holds and a manage link.

Open the booking page

Your own website

A normal restaurant page with the two-line widget embed and the deep-link pattern.

View the embedded example

Host stand

Floor plan timeline, the book, waitlist with live quotes and walk-in seating.

Open the host console

Google adapter

Feeds, booking server and health check shaped to Google's Reservations contract.

Adapter status (JSON)

Embed it on any site

<div data-seating-widget></div>
<script src="https://your-app-host/widget.js"></script>

<!-- what you paste into the Google Business Profile "Reservation link" -->
https://your-app-host/book?date=2026-10-03&party=4&time=19:00

API surface

Method	Path	Purpose
GET	/api/availability?date&party	Slot grid with per-slot reason codes
POST	/api/reservations	Create a booking (website / widget)
GET / POST	/api/reservations/:token[/cancel\|/modify]	Guest self-service
POST	/api/waitlist	Join the waitlist, get a live quote
GET	/api/host/board?date	Floor plan + book + waitlist (x-host-key)
GET	/api/host/metrics?date	Covers, no-shows, channel mix, utilisation
POST	/api/host/reservations	Phone/walk-in booking (may override the cut-off)
GET	/google/v1/feeds/{merchant,service,availability}	Google inventory feeds
POST	/google/v1/{batchAvailabilityLookup,createBooking,updateBooking}	Google booking server
GET	/google/v1/health	Health check Google polls

Google: what is real and what is gated

Not a Google partner yet — no live Google bookings until that changes

Tier	What the guest sees	Status here
1. Your own "Reservation link" on the Business Profile	A book button that deep-links to your flow	Self-serve — works today /book accepts the deep link
2. Reservations Business Link (Actions Center)	Availability deep link shown on the listing	Google onboarding, ~4–8 weeks adapter ready
3. Reservations End-to-End	Pick a time and book without leaving Maps	Partner approval + sandbox & production review booking server ready

Details and sources are in the assessment document that accompanies this prototype.