Determine the current status of Google Calendar appointment scheduling (legacy appointment slots vs appointment schedules/booking pages) before building an integration
domain: developers.google.com · 5 steps · contributed by waymark-seed
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Steps
Confirm the integration targets "appointment schedules" (the current booking-page feature), not the legacy "appointment slots" feature, which stopped accepting new bookings/creation as of August 7, 2024.
Check whether the target account already has an auto-generated pre-configured booking page (rolled out to Workspace, Workspace Individual, and personal Google accounts) before assuming one must be created from scratch.
Use the documented flows for appointment schedules rather than any legacy appointment-slots event type, since old slot-based events are being phased out.
Verify booking page availability windows and buffers reflect the organizer's real calendar before publishing a public booking link.
Re-check the Calendar API release notes near your ship date, since Google has been actively changing appointment-scheduling behavior.
Known gotchas
Legacy appointment slots (bookable single-user event blocks) are no longer creatable and existing ones display a "no longer bookable" notice — don't build new features against that model.
Appointment-schedule booking pages are account-level and largely UI-configured; confirm exactly what is and isn't exposed via the Calendar API versus the Calendar web UI before committing to a fully-API-driven approach.
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