Integrations, API & data export — found from sitemap — Cal.com

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Facts read from this source

• Webhook create endpoint Report an error

  “POST / v2 / webhooks”

• Webhook oauth scope Report an error

  “If accessed using an OAuth access token, the WEBHOOK_WRITE scope is required.”

• Webhook auth Report an error

  “value must be Bearer <token> where <token> is api key prefixed with cal_”

• Webhook triggers Report an error

  “Available options: BOOKING_CREATED, BOOKING_PAYMENT_INITIATED, BOOKING_PAID, BOOKING_RESCHEDULED, BOOKING_REQUESTED, BOOKING_CANCELLED, BOOKING_REJECTED, BOOKING_SEAT_REJECTED, BOOKING_NO_SHOW_UPDATED, BOOKING_LOCATION_UPDATED, BOOKING_TITLE_UPDATED, BOOKING_REASSIGNED, BOOKING_SEAT_ACCEPTED, FORM_SUBMITTED, MEETING_ENDED, MEETING_STARTED, RECORDING_READY, INSTANT_MEETING, INSTANT_MEETING_ACCEPTED, RECORDING_TRANSCRIPTION_GENERATED, OOO_CREATED, AFTER_HOSTS_CAL_VIDEO_NO_SHOW, AFTER_GUESTS_CAL_VIDEO_NO_SHOW, FORM_SUBMITTED_NO_EVENT, ROUTING_FORM_FALLBACK_HIT, DELEGATION_CREDENTIAL_ERROR, WRONG_ASSIGNMENT_REPORT, DELEGATION_CREDENTIAL_SECRET_ROTATION_FAILED, DELEGATION_CREDENTIAL_ROTATION_REQUIRED, DELEGATION_CREDENTIAL_SECRET_ROTATED, CALENDAR_ENTRY_REJECTED”

• Webhook custom headers Report an error

  “Static HTTP headers sent on every webhook delivery (e.g. Authorization). Max 10 headers, values up to 4 KiB, stored encrypted and redacted on read.”

• Webhook header keyring requirement Report an error

  “An instance without the webhook header keyring (CALCOM_KEYRING_WEBHOOK_HEADERS) answers 400 to any request that sends headers.”

• Webhook reserved header names Report an error

  “Names starting with X-Cal- are reserved for Cal.com's own headers. Blocked names: host, content-length, transfer-encoding, connection, keep-alive, upgrade, trailer, te, proxy-authorization.”

• Webhook versions Report an error

  “Available options: 2021-10-20, 2026-07-27”

• Webhook version 2026 ics Report an error

  “Version 2026-07-27 adds generated ICS calendar content (attendeeIcsContent, organizerIcsContent) to BOOKING_CREATED, BOOKING_RESCHEDULED, BOOKING_CANCELLED, BOOKING_SEAT_ACCEPTED, and BOOKING_PAID (when the payment accepted the booking) payloads.”

• Webhook no show timing Report an error

  “How long after the booking start time the no-show triggers are evaluated. Required, together with timeUnit, when subscribing to AFTER_HOSTS_CAL_VIDEO_NO_SHOW or AFTER_GUESTS_CAL_VIDEO_NO_SHOW Required range: x >= 1”

• Webhook other endpoints Report an error

  “POST Create a webhook GET Get all webhooks PATCH Update a webhook GET Get a webhook DEL Delete a webhook”

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