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Documentation Index

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A calendar widget is an embeddable booking widget bound to a verified domain. Calendars are read-only in v1.

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The calendar widget object

{
  "id": 44,
  "name": "Discovery call",
  "domain": { "id": 5, "domain": "example.com" },
  "bookingCount": 12,
  "settings": { "slotDuration": 30 },
  "appearance": {},
  "behavior": {},
  "createdAt": "2026-05-01T12:00:00.000Z",
  "updatedAt": "2026-05-18T08:00:00.000Z"
}
List responses include bookingCount; the single-widget view adds settings, appearance, and behavior. Any webhook URL inside settings is stripped from API responses.

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List calendar widgets

GET /v1/calendar-widgets — scope read:calendars. Supports page, limit, and domainId. 
curl https://formitto.com/v1/calendar-widgets \
  -H "Authorization: Bearer fmt_live_xxxxxxxx"

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Get a calendar widget

GET /v1/calendar-widgets/{id} — scope read:calendars. 
curl https://formitto.com/v1/calendar-widgets/44 \
  -H "Authorization: Bearer fmt_live_xxxxxxxx"
To read a calendar’s bookings, see Bookings.