Integration

Fits your calendar. And your booking system.

Every booking lands in Google Calendar, Outlook or Apple Calendar with one click. Room schedules can be subscribed to as an iCal feed; availability and bookings are available via a JSON API.

For everyone

Add your appointment to your calendar

After every booking you get buttons for Google Calendar, Outlook.com, Microsoft 365 and an .ics file for Apple Calendar, Thunderbird and all other apps.

Book now

Room feeds

Subscribe to room schedules

Every room has a public schedule feed without personal data. Ideal for office managers, reception or a room booking display.

Workshop Marrakeshhttps://www.citizenspace.ch/api/calendar/room/marrakesh.icsSubscribe
Meeting Accrahttps://www.citizenspace.ch/api/calendar/room/accra.icsSubscribe
Meeting Rio de Janeirohttps://www.citizenspace.ch/api/calendar/room/rio-de-janeiro.icsSubscribe
Meeting Jaffnahttps://www.citizenspace.ch/api/calendar/room/jaffna.icsSubscribe
Meeting Göteborghttps://www.citizenspace.ch/api/calendar/room/goeteborg.icsSubscribe
Meeting Lissabonhttps://www.citizenspace.ch/api/calendar/room/lissabon.icsSubscribe
Meeting Havannahttps://www.citizenspace.ch/api/calendar/room/havanna.icsSubscribe
Meeting Hanoihttps://www.citizenspace.ch/api/calendar/room/hanoi.icsSubscribe
Meeting Berlinhttps://www.citizenspace.ch/api/calendar/room/berlin.icsSubscribe
Meeting Romhttps://www.citizenspace.ch/api/calendar/room/rom.icsSubscribe

For developers

JSON API

Query availability and create bookings – for connecting existing booking or facility management systems.

Rooms

GET https://www.citizenspace.ch/api/rooms

Availability

GET https://www.citizenspace.ch/api/availability?room=accra&date=2026-09-15

Create a booking

POST https://www.citizenspace.ch/api/bookings
Content-Type: application/json
X-Api-Key: <optional, if BOOKING_API_KEY is set>

{
  "room": "accra",
  "date": "2026-09-15",
  "start": "09:00",
  "durationMin": 120,
  "name": "Sophie Meier",
  "email": "sophie@example.ch",
  "company": "Meier AG",
  "participants": 4
}

Response: booking number, price, confirmation link and calendar links (Google, Outlook, .ics). Conflicts are returned with status 409.