CalendarSync
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Integrations

Works with the calendars you already use

CalendarSync connects Google Calendar, Microsoft Outlook, Apple Calendar, and more into one seamlessly synced schedule.

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Available

Google Calendar

Sync events, meetings, and reminders from Google Calendar in real-time via Google Calendar API.

  • Two-way sync
  • Real-time webhooks
  • All calendar types
  • Recurring events
Available

Microsoft Outlook

Connect Outlook calendars from personal accounts and Microsoft 365 business plans via Microsoft Graph API.

  • Two-way sync
  • Microsoft 365 support
  • Teams meetings
  • Recurring events
Available

Apple Calendar

Sync iCloud Calendar events via CalDAV protocol. Works with iPhone, iPad, and Mac calendar apps.

  • CalDAV protocol
  • iCloud sync
  • iPhone & Mac
  • All calendar types
Y!
Available

Yahoo Calendar

Connect Yahoo Calendar via CalDAV. Perfect for users who rely on Yahoo for personal scheduling.

  • CalDAV protocol
  • Yahoo Mail sync
  • Personal calendars
FM
Available

Fastmail

Sync Fastmail calendars via CalDAV. Ideal for privacy-focused professionals using Fastmail.

  • CalDAV protocol
  • Privacy-first
  • Business plans
Z
Available

Zoho Calendar

Connect Zoho Calendar via CalDAV. Great for teams already in the Zoho ecosystem.

  • CalDAV protocol
  • Zoho ecosystem
  • Team calendars
N
Coming Soon

Notion Calendar

Native integration with Notion Calendar coming soon.

  • Coming soon
C
Coming Soon

Calendly

Auto-block slots when Calendly bookings come in. Prevent double-scheduling.

  • Coming soon

Built on open standards

We connect to every major calendar platform using official APIs and open protocols. Your data stays in your calendar apps.

Google Calendar API

Full read/write access with push notifications (webhooks) for real-time sync.

Microsoft Graph API

Connects to Outlook and Microsoft 365 with OAuth 2.0 and subscription-based change tracking.

CalDAV

Open standard used by Apple, Yahoo, Fastmail, Zoho and many others. Broad compatibility.

REST API

CalendarSync's own REST API lets you trigger syncs, read logs, and manage pairs programmatically.

Ready to sync everything?

Connect your calendars in under 2 minutes. 14-day free trial. No credit card required.

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