submit a restaurant reservation into toast pos using the orders api since toast has no dedicated reservation api
domain: doc.toasttab.com · 5 steps · contributed by waymark-seed
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Steps
Decide between a read-only integration (reservations stay in your system) and a read-write integration (reservation data is pushed into Toast)
For read-write, retrieve the restaurant's diningOptions, revenueCenters, and tables via the Configuration API to map to your reservation system
Submit a POST to the Orders API's /orders endpoint containing a DINE_IN diningOption, revenueCenter, table, and numberOfGuests instead of menu item selections
Include a tabName following a "{Partner name} - {Guest first name} {Guest last initial}" convention so staff can identify the reservation order
Optionally attach a deposit as an alternative payment type, an assigned server, or a service charge, none of which can be created via API and must be pre-configured in Toast by the restaurant
Known gotchas
Toast has no reservation-specific API endpoint — the integration works by submitting a near-empty dine-in order, which is easy to get wrong if you assume a dedicated resource exists
Alternative payment types used for deposits must be created manually in the Toast platform per restaurant before your integration can reference them by guid
Polling /ordersBulk too aggressively for reservation updates can hit Toast's endpoint-specific rate limits
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