Connect your software to the Microsoft Exchange Calendar API

Read the documentation


Well-documentated API


Built with privacy and security in mind


On-going active development


Eliminates synchronization issues


Works with, Office 365, Apple, and Google Calendar APIs at the same time


Calendar events are calendar events, not modified emails like if you work directly with Exchange

Connect to all 127+ versions of Microsoft Exchange, no additional effort required

  • Build software that works with all past, present, and future versions of Microsoft Exchange’s Calendar API
  • Read, write, and edit calendar events
  • Sync changes in real time
  • Connect to on-premise Exchange services
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Get up and running faster

Try the API for free

Implementing Cronofy was painless – they provide a simple and clear API that allowed me to have the integration live to customers in less than one month.

Drew Zader
Senior Software Engineer - Handshake

Explore our customer stories

Customizable UI Elements

  • Use our customizable UI Elements in any combination you need
  • Users can connect and disconnect calendars, set working hours, or book appointments
  • Design to match your branding

Connect to multiple calendars at the same time

  • Connect to all the calendars on a company domain at the same time with Enterprise Connect
  • Deal with one entry point per company, not one per calendar
  • Book meetings based on the availability of attendees and meeting rooms
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Safety and security sorted

  • GDPR and HIPAA compliant
  • No ongoing maintenance required
  • Authorize connectivity individually, by group, or by organization

Try for free for as long as you need

  • Create your free developer account to try our API for free
  • Experiment with the full range of features
  • Sync up to 20 calendars to your trial account
  • Only pay when you’re ready to go live

Try the API

Create your free developer account to get your API key and get started in minutes.

Make your first API call