Api Keys1

Bookings17

Bookings / Attendees4

Bookings / Guests1

Cal Unified Calendars15

Calendars9

Conferencing7

Deprecated: Platform / Managed Users7

Deprecated: Platform / Webhooks6

Deprecated: Platform OAuth Clients5

Destination Calendars1

Event Types5

Event Types / Webhooks6

Event Types Private Links4

Me2

OAuth22

Schedules6

Selected Calendars2

Slots5

Stripe3

Verified Resources8

Webhooks5

Deprecated: Platform / Webhooks

Create a webhook

<Warning>These endpoints are deprecated and will be removed in the future.</Warning>

post/v2/oauth-clients/{clientId}/webhooks

Path parameters

clientIdstring required

Headers

x-cal-secret-keystring required

OAuth client secret key

Request body

payloadTemplatestring

The template of the payload that will be sent to the subscriberUrl, check cal.com/docs/core-features/webhooks for more information

activeboolean required

subscriberUrlstring required

triggersstring[] required

secretstring

version'2021-10-20'

The version of the webhook

Example request

{
  "payloadTemplate": "{\"content\":\"A new event has been scheduled\",\"type\":\"{{type}}\",\"name\":\"{{title}}\",\"organizer\":\"{{organizer.name}}\",\"booker\":\"{{attendees.0.name}}\"}",
  "triggers": [
    "BOOKING_CREATED",
    "BOOKING_RESCHEDULED",
    "BOOKING_CANCELLED",
    "BOOKING_CONFIRMED",
    "BOOKING_REJECTED",
    "BOOKING_COMPLETED",
    "BOOKING_NO_SHOW",
    "BOOKING_REOPENED"
  ],
  "version": "2021-10-20"
}

Response

status'success' | 'error' required

Example response

{
  "status": "success",
  "data": {
    "payloadTemplate": "{\"content\":\"A new event has been scheduled\",\"type\":\"{{type}}\",\"name\":\"{{title}}\",\"organizer\":\"{{organizer.name}}\",\"booker\":\"{{attendees.0.name}}\"}"
  }
}

Changes

Changed in 7 of the 50 revisions of this API.262246

Jul 17, 2026v216de9d3eb7b311See the full diff
- ▲
  removed the enum value ROUTING_FORM_FALLBACK_HIT of the request property triggers/items/
  request-property-enum-value-removed
- ○
  removed the ROUTING_FORM_FALLBACK_HIT enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
This revision also has 197 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Mar 5, 2026v2b08d7bb5d8812221See the full diff
- ▲
  removed the enum value AFTER_GUESTS_CAL_VIDEO_NO_SHOW of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value AFTER_HOSTS_CAL_VIDEO_NO_SHOW of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_CANCELLED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_CREATED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_NO_SHOW_UPDATED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_PAID of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_PAYMENT_INITIATED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_REJECTED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_REQUESTED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value BOOKING_RESCHEDULED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value DELEGATION_CREDENTIAL_ERROR of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value FORM_SUBMITTED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value FORM_SUBMITTED_NO_EVENT of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value INSTANT_MEETING of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value MEETING_ENDED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value MEETING_STARTED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value OOO_CREATED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value RECORDING_READY of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value RECORDING_TRANSCRIPTION_GENERATED of the request property triggers
  request-property-enum-value-removed
- ▲
  removed the enum value WRONG_ASSIGNMENT_REPORT of the request property triggers
  request-property-enum-value-removed
- ▲
  the triggers request property type/format changed from string/ to array/
  request-property-type-changed
- ▲
  the data/triggers/items/ response's property type/format changed from object/ to string/ for status 201
  response-property-type-changed
- ●
  added the new AFTER_GUESTS_CAL_VIDEO_NO_SHOW enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new AFTER_HOSTS_CAL_VIDEO_NO_SHOW enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_CANCELLED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_CREATED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_NO_SHOW_UPDATED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_PAID enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_PAYMENT_INITIATED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_REJECTED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_REQUESTED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new BOOKING_RESCHEDULED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new DELEGATION_CREDENTIAL_ERROR enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new FORM_SUBMITTED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new FORM_SUBMITTED_NO_EVENT enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new INSTANT_MEETING enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new MEETING_ENDED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new MEETING_STARTED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new OOO_CREATED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new RECORDING_READY enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new RECORDING_TRANSCRIPTION_GENERATED enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new ROUTING_FORM_FALLBACK_HIT enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
- ●
  added the new WRONG_ASSIGNMENT_REPORT enum value to the data/triggers/items/ response property for the response status 201
  response-property-enum-value-added
Jan 23, 2026v280f2bde1c3fa1See the full diff
- ○
  added the new WRONG_ASSIGNMENT_REPORT enum value to the request property triggers
  request-property-enum-value-added
Jan 15, 2026v2946fc816b2902See the full diff
- ○
  api tag Deprecated: Platform / Webhooks added
  api-tag-added
- ○
  api tag Platform / Webhooks removed
  api-tag-removed
Jan 6, 2026v22ecd46907a811See the full diff
- ○
  added the new optional request property version
  new-optional-request-property
Nov 17, 2025v275e2f2eeed901See the full diff
- ○
  added the new DELEGATION_CREDENTIAL_ERROR enum value to the request property triggers
  request-property-enum-value-added
Sep 26, 2025v2daa3e48bc03a3140See the full diff
- ▲
  request property triggers was restricted to a list of enum values
  request-property-became-enum
- ▲
  the triggers request property type/format changed from array/ to string/
  request-property-type-changed
- ▲
  the data/triggers/items/ response's property type/format changed from string/ to object/ for status 201
  response-property-type-changed
- ●
  removed the request property version
  request-property-removed
- ○
  api tag Platform / Webhooks added
  api-tag-added
- ○
  api tag Deprecated: Platform / Webhooks removed
  api-tag-removed
- ○
  added the new AFTER_GUESTS_CAL_VIDEO_NO_SHOW enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new AFTER_HOSTS_CAL_VIDEO_NO_SHOW enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_CANCELLED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_CREATED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_NO_SHOW_UPDATED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_PAID enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_PAYMENT_INITIATED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_REJECTED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_REQUESTED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new BOOKING_RESCHEDULED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new FORM_SUBMITTED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new FORM_SUBMITTED_NO_EVENT enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new INSTANT_MEETING enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new MEETING_ENDED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new MEETING_STARTED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new OOO_CREATED enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new RECORDING_READY enum value to the request property triggers
  request-property-enum-value-added
- ○
  added the new RECORDING_TRANSCRIPTION_GENERATED enum value to the request property triggers
  request-property-enum-value-added
- ○
  removed the AFTER_GUESTS_CAL_VIDEO_NO_SHOW enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the AFTER_HOSTS_CAL_VIDEO_NO_SHOW enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_CANCELLED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_CREATED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_NO_SHOW_UPDATED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_PAID enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_PAYMENT_INITIATED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_REJECTED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_REQUESTED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the BOOKING_RESCHEDULED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the DELEGATION_CREDENTIAL_ERROR enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the FORM_SUBMITTED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the FORM_SUBMITTED_NO_EVENT enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the INSTANT_MEETING enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the MEETING_ENDED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the MEETING_STARTED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the OOO_CREATED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the RECORDING_READY enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the RECORDING_TRANSCRIPTION_GENERATED enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
- ○
  removed the WRONG_ASSIGNMENT_REPORT enum value from the data/triggers/items/ response property for the response status 201
  response-property-enum-value-removed
This revision also has 46 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

Full history