Using our REST API, you can make Calendar42 do pretty much anything planning related you want. The only thing left to do for you is showing up!

For an interactive API documentation you can go directly to our Interactive API documentation [swagger]

In here you will find the following information:


All the required information about how to get access to our system, as the different ways you can authenticate and authorize your users and apps.


Where to find all endpoints available. Everything you need about Events, Calendars, Locations, Trip-suggestions, etc.


A description of all the objects structure you can send/receive from our REST-API can be found here

General implementation notes

Here you can find a description of all the objects you can send/receive from the C42 API

Change notes

In the change notes you can find the details of our implementations as enhancements of the C42 API