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iMessage APIs
Operations6 min read

iMessage and restaurant POS and reservation systems

Restaurants have the most perishable inventory of any business on this site and the least tolerance for another notification. Both facts should shape what you build.

A restaurant's messaging problem is unusual: a table at 7pm on Saturday is worth a great deal at 5pm and nothing at 8pm. That makes speed the whole value, and it makes most scheduled messaging beside the point.

What the systems know

  • Reservation platforms know the booking, the party size and the no-show history. That last one is more useful than people realise.
  • Toast and Square know the check — what was ordered and what was spent — plus loyalty membership where you run one.
  • Online ordering knows the order status, which is the one genuinely expected notification in this whole category.

The messages worth sending

MessageVerdictWhy
Order ready for collectionSend itExpected, useful, reduces counter crowding
Reservation confirmationSend itStandard, and reduces no-shows
Same-day cancellation fillThe best play herePerishable inventory, conversational channel
Reservation reminderOnly if the platform is not already sending oneTwo reminders is worse than one
Weekly specials blastDo notThis is what email and social are for
Birthday offerSparingly, if it is genuinely goodOtherwise it reads as a database, not a welcome

The cancellation fill is the one to build. A 7pm four-cover cancels at 4pm; a short message to a waitlist, first reply wins, and the table is sold. That is real money and it needs a conversational channel to work. The Saturday rush mechanics.

Restaurants are the easiest business to over-message

Your customers eat out often and hear from a lot of restaurants. The frequency ceiling is lower here than almost anywhere: a promotional message more than about once a month reads as noise, and the opt-out rate will tell you so. Spend the channel on logistics and the cancellation fill, not on specials.

Integration reality

Toast has a partner API programme; reservation platforms vary considerably in what they expose. As with salon software, confirm what your actual plan includes before designing around it — and note that a waitlist fill can be run from a simple list without any integration at all. The play matters more than the plumbing.

Build order

  • Order-ready notification, if you do takeaway. Most expected, least risky.
  • Cancellation fill from a waitlist. Highest revenue impact.
  • Reservation confirmation, only if the platform is not already sending one.
  • Nothing promotional until the above are working and measured.
  • A frequency cap of roughly one non-transactional message a month.
Toastrestaurantsreservationsintegration