One API for all the Calendars

With the Cronofy Calendar API you don't need to spend time and resources building and maintaining separate integrations for each calendar services. We have already done it for you.

Add real-time, two-way calendar synchronization to your applications whilst protecting the privacy of your users.

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Get started in minutes

Our developers have built easy to follow tutorials to help you get started with the Cronofy Calendar API.

Our Getting Started Guide takes you through getting access to a calendar, reading events and creating your first event.

If you have more questions or want more information on how the API works, you can email us or, once you're signed up, you can chat to a developer right from within your Developer Dashboard.

Read our Getting Started Guide

Dom Finn

“The Cronofy API is a first class implementation and makes calendar integration super simple.”

— Dom Finn, CTO, North 51

SDKs and Sample Apps

Adding Calendar Integration to your software couldn't be simpler.

We provide SDKs for .NET, Ruby and PHP and there are community libraries for a range of other languages to get you up and running quickly.

For a working example of a calendar integrated app check out our open source sample apps for .NET, Ruby and PHP. The sample apps showcase the range of functionality of the Cronofy API. You can run them on your machine and get into the source code to see how they do it.

Cronofy Sample Apps

“Integration with Cronofy was uneventful (in a good way). They have a well documented API, easy to use examples, and excellent support. Additionally, with the help of Cronofy logs, we were able to debug issues much faster. Cronofy saved us a lot a time, which would have otherwise wasted by integrating different APIs. ”

— Nitin Hayaran, Back-end Engineer, PeopleGrove

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