curl --request POST \
  --url https://{tenant}.stamp.eu/rest/absence_types \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "slug": "<string>",
  "name": "<string>",
  "category": "<string>",
  "unit": "day",
  "substitute_option": "<string>",
  "color": "<string>",
  "icon": "<string>",
  "half_day_allowed": true,
  "affects_vacation": true,
  "target_work_factor": 0.5,
  "working_time_flag": 123,
  "requires_approval": true,
  "is_paid": true,
  "certificate_required": true,
  "certificate_deadline_days": 2,
  "count_weekdays_only": true,
  "sort_order": 1
}
'

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "slug": "<string>",
    "name": "<string>",
    "category": "<string>",
    "unit": "day",
    "color": "<string>",
    "icon": "<string>",
    "is_system": true,
    "half_day_allowed": true,
    "affects_vacation": true,
    "target_work_factor": 0.5,
    "working_time_flag": 123,
    "requires_approval": true,
    "is_paid": true,
    "certificate_required": true,
    "certificate_deadline_days": 123,
    "substitute_option": "<string>",
    "count_weekdays_only": true,
    "is_active": true,
    "sort_order": 123
  }
}