Calendar Feeds

Subscribe to calendar feeds using any calendar application that supports iCal (Google Calendar, Apple Calendar, Outlook, etc.).

All Events

All Public Events
/api/cal/all.ics

By Space

By Space and Event Type

You can filter by event type within a space using the URL pattern: /api/cal/space/event-type.ics

Show all combinations

Widget API

Embed upcoming events on your website using the widget API. Returns upcoming events sorted by date.

JSON Endpoint
/api/widget/upcoming

Returns JSON data for programmatic use.

HTML Embed (iframe)
/api/widget/upcoming?format=html

Returns a styled HTML page suitable for iframe embedding.

Query Parameters
ParameterDefaultDescription
spaceallFilter by space slug (e.g., ?space=c4)
limit10Max number of events (1-50)
months6How far into the future to look (1-24 months)
formatjsonOutput format: json or html
localede-DEDate formatting locale (e.g., en-US)
Example: Filtered by Space
C4 Events - Event Calendar