Prompt

Which scheduling API works with Google Calendar and Outlook?

Technology / Scheduling & Booking Software1 observationLast seen Sep 28, 2026

Latest observation

Sep 28, 2026OpenAI APIWeb search: off

Several scheduling APIs can work with both Google Calendar and Outlook/Microsoft 365. Common options include:

  • Cronofy — Built specifically for calendar integration across Google, Microsoft, and others.
  • Nylas — Offers calendar sync and scheduling APIs for Google and Microsoft calendars.
  • Microsoft Graph + Google Calendar API — If you want to build it yourself, you can integrate both directly.
  • Cal.com API — Scheduling platform with integrations for Google and Microsoft calendars.
  • ScheduleOnce (OnceHub) — Scheduling tool with calendar connectivity for both.

If you want the best fit, it depends on whether you need:

  • simple booking links,
  • two-way calendar sync,
  • enterprise-grade scheduling,
  • or a fully custom embedded scheduling flow.

If you want, I can compare Cronofy vs Nylas vs Cal.com for your use case.

Observation history

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