Steps

Apply to become a Reserve with Google Reservations End-to-End partner through the Actions Center partner process — this is a gated B2B integration, not a self-serve API key signup
Once approved, implement a booking server that exposes Google's BookingService methods, including CheckAvailability and CreateBooking, per the Actions Center gRPC API v2 reference
Respond to CheckAvailabilityRequest with the requested Slot and a count_available, using count_available: 0 to signal the slot is unavailable
Respond to CreateBooking only after availability is confirmed, and make the call idempotent using the idempotency token included in the request so retried RPCs don't create duplicate bookings
Also implement UpdateBooking, GetBookingStatus and ListBookings so Google can manage the booking lifecycle after creation
Register your merchant/location data through Google's feeds or partner-portal APIs so it matches the corresponding Google Maps/Search listing before end-to-end booking goes live

Known gotchas

This is a gRPC-based partner integration requiring a direct contractual relationship with merchants and sub-second real-time availability responses — it is not a lightweight REST integration a solo operator can wire up in an afternoon
All state-mutating RPCs (CreateBooking, UpdateBooking) must be idempotent; failing to honor the idempotency token risks double-bookings when Google retries
Reservations End-to-End is distinct from simpler 'Book on Google' link-out integrations — confirm which Google booking product your business actually qualifies for before building against this API

Expose experience availability and bookings to Viator through a Reservation System API

Use Campspot's booking-engine logic (site holds, dynamic pricing, rebooking) to build accurate real-time site availability search.

support.campspot.com · 5 steps · unrated

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Implement a Reserve with Google booking server for a bookable experience

Steps

Known gotchas

Related routes

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