v1
latestOpenAPI 3.0.02026-07-17121287546.7 KBCal Unified Calendars
Get free/busy for a connection
Get busy time slots for the specified calendar connection.
get/v2/calendars/connections/{connectionId}/freebusy
Path parameters
connectionIdstring required
Query parameters
fromstring required
Example:2026-03-10
Start of the date range (ISO 8601 date or date-time)
tostring required
Example:2026-03-10
End of the date range (ISO 8601 date or date-time)
timeZonestring
IANA time zone (e.g. America/New_York)
Headers
Authorizationstring required
value must be Bearer <token> where <token> is api key prefixed with cal_ or managed user access token
Response
Example response
{
"status": "success"
}