Cal.com Webhooks

asyncapi: '2.6.0'
info:
  title: Cal.com Webhooks
  version: '2021-10-20'
  description: |
    AsyncAPI definition for Cal.com's webhook surface. Cal.com webhooks are
    HTTP POST deliveries from Cal.com to a developer-defined `subscriberUrl`
    registered via the Cal.com Webhooks API (`/v2/webhooks`).

    Subscribers register a webhook with one or more `triggers` (event types).
    Each delivery is a JSON document with a `triggerEvent` field, a
    `createdAt` timestamp, and a `payload` object whose shape varies by
    trigger. `MEETING_STARTED` and `MEETING_ENDED` deliver booking fields
    flat at the root rather than nested under `payload`.

    Payload signing is optional: when the webhook was created with a
    `secret`, deliveries include an `X-Cal-Signature-256` header containing
    an HMAC-SHA256 hex digest of the raw request body computed with the
    secret. The webhook payload version is communicated via the
    `x-cal-webhook-version` header (currently `2021-10-20`).

    Sourced from https://cal.com/docs/api-reference/v2/webhooks and
    https://cal.com/docs/core-features/webhooks. Fields that the Cal.com
    documentation does not describe are not invented here.
  contact:
    name: Cal.com
    url: https://cal.com/docs/core-features/webhooks
  license:
    name: AGPL-3.0
    url: https://github.com/calcom/cal.com/blob/main/LICENSE
  tags:
    - name: Cal.com
    - name: Webhooks
    - name: Scheduling
    - name: Bookings

defaultContentType: application/json

servers:
  subscriber:
    url: '{subscriberUrl}'
    protocol: https
    description: |
      The HTTPS endpoint that the webhook subscriber registers with Cal.com
      via `POST /v2/webhooks` (`subscriberUrl`). Cal.com delivers all events
      this subscription opts into to this URL via HTTP POST with a JSON
      body.
    variables:
      subscriberUrl:
        description: Subscriber-controlled URL configured on the Cal.com webhook.
        default: https://example.com/webhooks/cal-com

channels:
  BOOKING_CREATED:
    description: A new booking has been scheduled on an event type.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking created
      operationId: onBookingCreated
      bindings:
        http:
          type: request
          method: POST
          bindingVersion: 0.3.0
      message:
        $ref: '#/components/messages/BookingCreated'

  BOOKING_RESCHEDULED:
    description: An existing booking has been rescheduled.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking rescheduled
      operationId: onBookingRescheduled
      message:
        $ref: '#/components/messages/BookingRescheduled'

  BOOKING_CANCELLED:
    description: A booking has been cancelled by the organizer or attendee.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking cancelled
      operationId: onBookingCancelled
      message:
        $ref: '#/components/messages/BookingCancelled'

  BOOKING_REJECTED:
    description: A booking that required confirmation was rejected by the organizer.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking rejected
      operationId: onBookingRejected
      message:
        $ref: '#/components/messages/BookingRejected'

  BOOKING_REQUESTED:
    description: |
      A booking has been requested on an event type that requires
      confirmation. The booking is in PENDING state until accepted or
      rejected.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking requested
      operationId: onBookingRequested
      message:
        $ref: '#/components/messages/BookingRequested'

  BOOKING_PAYMENT_INITIATED:
    description: A booking that requires payment has been initiated; awaiting payment.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking payment initiated
      operationId: onBookingPaymentInitiated
      message:
        $ref: '#/components/messages/BookingPaymentInitiated'

  BOOKING_PAID:
    description: Payment for a booking has been completed.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking paid
      operationId: onBookingPaid
      message:
        $ref: '#/components/messages/BookingPaid'

  BOOKING_NO_SHOW_UPDATED:
    description: An attendee on a booking has been marked or unmarked as a no-show.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Booking no-show updated
      operationId: onBookingNoShowUpdated
      message:
        $ref: '#/components/messages/BookingNoShowUpdated'

  MEETING_STARTED:
    description: |
      A scheduled meeting's start time has been reached. Payload is flat at
      the root (no nested `payload` wrapper). Custom payload templates do
      not apply to this trigger.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Meeting started
      operationId: onMeetingStarted
      message:
        $ref: '#/components/messages/MeetingStarted'

  MEETING_ENDED:
    description: |
      A scheduled meeting's end time has been reached. Payload is flat at
      the root (no nested `payload` wrapper). Custom payload templates do
      not apply to this trigger.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Meeting ended
      operationId: onMeetingEnded
      message:
        $ref: '#/components/messages/MeetingEnded'

  RECORDING_READY:
    description: A Cal Video meeting recording is ready for download.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Recording ready
      operationId: onRecordingReady
      message:
        $ref: '#/components/messages/RecordingReady'

  RECORDING_TRANSCRIPTION_GENERATED:
    description: A transcription for a Cal Video recording has been generated.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Recording transcription generated
      operationId: onRecordingTranscriptionGenerated
      message:
        $ref: '#/components/messages/RecordingTranscriptionGenerated'

  INSTANT_MEETING:
    description: An instant meeting has been created and is awaiting host acceptance.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Instant meeting
      operationId: onInstantMeeting
      message:
        $ref: '#/components/messages/InstantMeeting'

  INSTANT_MEETING_ACCEPTED:
    description: A host has accepted an instant meeting; full booking details delivered.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Instant meeting accepted
      operationId: onInstantMeetingAccepted
      message:
        $ref: '#/components/messages/InstantMeetingAccepted'

  OOO_CREATED:
    description: An out-of-office entry has been created for a user.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Out-of-office created
      operationId: onOooCreated
      message:
        $ref: '#/components/messages/OooCreated'

  FORM_SUBMITTED:
    description: A Cal.com routing form has been submitted.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Form submitted
      operationId: onFormSubmitted
      message:
        $ref: '#/components/messages/FormSubmitted'

  FORM_SUBMITTED_NO_EVENT:
    description: |
      A routing form was submitted but no booking was created within
      ~15 minutes of submission.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Form submitted, no event scheduled
      operationId: onFormSubmittedNoEvent
      message:
        $ref: '#/components/messages/FormSubmittedNoEvent'

  AFTER_HOSTS_CAL_VIDEO_NO_SHOW:
    description: |
      The host did not join a Cal Video meeting within the configured
      grace period.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: After-hosts Cal Video no-show
      operationId: onAfterHostsCalVideoNoShow
      message:
        $ref: '#/components/messages/AfterHostsCalVideoNoShow'

  AFTER_GUESTS_CAL_VIDEO_NO_SHOW:
    description: |
      Guests did not join a Cal Video meeting within the configured grace
      period.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: After-guests Cal Video no-show
      operationId: onAfterGuestsCalVideoNoShow
      message:
        $ref: '#/components/messages/AfterGuestsCalVideoNoShow'

  ROUTING_FORM_FALLBACK_HIT:
    description: |
      A routing form submission matched the configured fallback route
      rather than a specific routing rule.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Routing form fallback hit
      operationId: onRoutingFormFallbackHit
      message:
        $ref: '#/components/messages/RoutingFormFallbackHit'

  DELEGATION_CREDENTIAL_ERROR:
    description: |
      A delegation credential error occurred (organization-wide calendar
      delegation could not be exercised for a user).
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Delegation credential error
      operationId: onDelegationCredentialError
      message:
        $ref: '#/components/messages/DelegationCredentialError'

  WRONG_ASSIGNMENT_REPORT:
    description: |
      A booking was reported as routed to the wrong assignee on a routing
      form.
    bindings:
      http:
        type: request
        method: POST
        bindingVersion: 0.3.0
    subscribe:
      summary: Wrong-assignment report
      operationId: onWrongAssignmentReport
      message:
        $ref: '#/components/messages/WrongAssignmentReport'

components:
  messageTraits:
    CalWebhookHeaders:
      headers:
        type: object
        properties:
          Content-Type:
            type: string
            const: application/json
          X-Cal-Signature-256:
            type: string
            description: |
              HMAC-SHA256 hex digest of the raw JSON request body, computed
              with the webhook's configured `secret`. Present only when the
              webhook was created with a secret. Recipients should
              recompute the digest and compare in constant time.
          x-cal-webhook-version:
            type: string
            description: |
              Payload schema version negotiated when the webhook was
              created. Cal.com currently documents version `2021-10-20`.
            example: '2021-10-20'

  messages:
    BookingCreated:
      name: BookingCreated
      title: BOOKING_CREATED
      summary: A booking was created.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_CREATED
              payload:
                $ref: '#/components/schemas/BookingPayload'

    BookingRescheduled:
      name: BookingRescheduled
      title: BOOKING_RESCHEDULED
      summary: A booking was rescheduled.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_RESCHEDULED
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - type: object
                    properties:
                      rescheduleId:
                        type: integer
                        description: Numeric ID of the prior booking.
                      rescheduleUid:
                        type: string
                        description: UID of the prior booking.
                      rescheduleStartTime:
                        type: string
                        format: date-time
                        description: Original start time before the reschedule.
                      rescheduleEndTime:
                        type: string
                        format: date-time
                        description: Original end time before the reschedule.

    BookingCancelled:
      name: BookingCancelled
      title: BOOKING_CANCELLED
      summary: A booking was cancelled.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_CANCELLED
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - type: object
                    properties:
                      cancellationReason:
                        type: string
                        description: Reason supplied for the cancellation.

    BookingRejected:
      name: BookingRejected
      title: BOOKING_REJECTED
      summary: A booking request was rejected by the organizer.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_REJECTED
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - type: object
                    properties:
                      rejectionReason:
                        type: string
                        description: Reason supplied by the organizer.
                      status:
                        type: string
                        const: REJECTED

    BookingRequested:
      name: BookingRequested
      title: BOOKING_REQUESTED
      summary: A booking that requires confirmation was requested.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_REQUESTED
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - type: object
                    properties:
                      requiresConfirmation:
                        type: boolean
                        const: true
                      status:
                        type: string
                        const: PENDING
                      oneTimePassword:
                        type: string
                        nullable: true
                        description: Optional one-time password used for confirmation flows.

    BookingPaymentInitiated:
      name: BookingPaymentInitiated
      title: BOOKING_PAYMENT_INITIATED
      summary: Payment has been initiated for a booking.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_PAYMENT_INITIATED
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - $ref: '#/components/schemas/PaymentFields'

    BookingPaid:
      name: BookingPaid
      title: BOOKING_PAID
      summary: Payment for a booking has been completed.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_PAID
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - $ref: '#/components/schemas/PaymentFields'

    BookingNoShowUpdated:
      name: BookingNoShowUpdated
      title: BOOKING_NO_SHOW_UPDATED
      summary: An attendee no-show status was updated on a booking.
      description: |
        Compact payload distinct from full booking events. Carries only the
        marked attendee(s) and booking identifiers.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: BOOKING_NO_SHOW_UPDATED
              payload:
                type: object
                properties:
                  message:
                    type: string
                    description: Human-readable summary, e.g. `email@domain.com marked as no-show`.
                  attendees:
                    type: array
                    items:
                      type: object
                      properties:
                        email:
                          type: string
                          format: email
                        noShow:
                          type: boolean
                  bookingUid:
                    type: string
                  bookingId:
                    type: integer

    MeetingStarted:
      name: MeetingStarted
      title: MEETING_STARTED
      summary: Scheduled meeting start time has been reached.
      description: |
        MEETING_STARTED delivers booking fields flat at the root next to
        `triggerEvent` rather than nested under `payload`.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - type: object
            properties:
              triggerEvent:
                type: string
                const: MEETING_STARTED
              createdAt:
                type: string
                format: date-time
          - $ref: '#/components/schemas/BookingPayload'

    MeetingEnded:
      name: MeetingEnded
      title: MEETING_ENDED
      summary: Scheduled meeting end time has been reached.
      description: |
        MEETING_ENDED delivers booking fields flat at the root next to
        `triggerEvent` rather than nested under `payload`.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - type: object
            properties:
              triggerEvent:
                type: string
                const: MEETING_ENDED
              createdAt:
                type: string
                format: date-time
          - $ref: '#/components/schemas/BookingPayload'

    RecordingReady:
      name: RecordingReady
      title: RECORDING_READY
      summary: Meeting recording is available for download.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: RECORDING_READY
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - type: object
                    properties:
                      downloadLink:
                        type: string
                        format: uri
                        description: URL to download the meeting recording.

    RecordingTranscriptionGenerated:
      name: RecordingTranscriptionGenerated
      title: RECORDING_TRANSCRIPTION_GENERATED
      summary: A transcription has been generated for a recording.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: RECORDING_TRANSCRIPTION_GENERATED
              payload:
                allOf:
                  - $ref: '#/components/schemas/BookingPayload'
                  - type: object
                    properties:
                      downloadLinks:
                        type: object
                        description: |
                          Object containing transcription file URLs by
                          format and the corresponding recording URL.
                        properties:
                          transcription:
                            type: object
                            properties:
                              json:
                                type: string
                                format: uri
                              srt:
                                type: string
                                format: uri
                              txt:
                                type: string
                                format: uri
                              vtt:
                                type: string
                                format: uri
                          recording:
                            type: string
                            format: uri

    InstantMeeting:
      name: InstantMeeting
      title: INSTANT_MEETING
      summary: An instant meeting has been requested.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: INSTANT_MEETING
              payload:
                type: object
                properties:
                  connectAndJoinUrl:
                    type: string
                    format: uri
                    description: Authenticated URL the host follows to accept and join.
                  eventTypeTitle:
                    type: string
                  eventTypeId:
                    type: integer
                  responses:
                    $ref: '#/components/schemas/Responses'
                  bookingId:
                    type: integer
                    nullable: true

    InstantMeetingAccepted:
      name: InstantMeetingAccepted
      title: INSTANT_MEETING_ACCEPTED
      summary: A host accepted an instant meeting.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: INSTANT_MEETING_ACCEPTED
              payload:
                $ref: '#/components/schemas/BookingPayload'

    OooCreated:
      name: OooCreated
      title: OOO_CREATED
      summary: An out-of-office entry was created.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: OOO_CREATED
              payload:
                type: object
                properties:
                  oooEntry:
                    type: object
                    properties:
                      id:
                        type: integer
                      start:
                        type: string
                        format: date
                      end:
                        type: string
                        format: date
                      reason:
                        type: object
                        properties:
                          emoji:
                            type: string
                          reason:
                            type: string
                      notes:
                        type: string
                        nullable: true
                      user:
                        $ref: '#/components/schemas/Person'
                      toUser:
                        description: Delegate user, if redirecting OOO bookings.
                        nullable: true
                        allOf:
                          - $ref: '#/components/schemas/Person'

    FormSubmitted:
      name: FormSubmitted
      title: FORM_SUBMITTED
      summary: A routing form was submitted.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: FORM_SUBMITTED
              payload:
                $ref: '#/components/schemas/FormSubmissionPayload'

    FormSubmittedNoEvent:
      name: FormSubmittedNoEvent
      title: FORM_SUBMITTED_NO_EVENT
      summary: A routing form submission did not result in a booking.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: FORM_SUBMITTED_NO_EVENT
              payload:
                $ref: '#/components/schemas/FormSubmissionPayload'

    AfterHostsCalVideoNoShow:
      name: AfterHostsCalVideoNoShow
      title: AFTER_HOSTS_CAL_VIDEO_NO_SHOW
      summary: Hosts did not join a Cal Video meeting within the grace period.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: AFTER_HOSTS_CAL_VIDEO_NO_SHOW
              payload:
                $ref: '#/components/schemas/CalVideoNoShowPayload'

    AfterGuestsCalVideoNoShow:
      name: AfterGuestsCalVideoNoShow
      title: AFTER_GUESTS_CAL_VIDEO_NO_SHOW
      summary: Guests did not join a Cal Video meeting within the grace period.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: AFTER_GUESTS_CAL_VIDEO_NO_SHOW
              payload:
                $ref: '#/components/schemas/CalVideoNoShowPayload'

    RoutingFormFallbackHit:
      name: RoutingFormFallbackHit
      title: ROUTING_FORM_FALLBACK_HIT
      summary: A routing form submission was routed via the fallback.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: ROUTING_FORM_FALLBACK_HIT
              payload:
                $ref: '#/components/schemas/FormSubmissionPayload'

    DelegationCredentialError:
      name: DelegationCredentialError
      title: DELEGATION_CREDENTIAL_ERROR
      summary: A delegation credential error was detected.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: DELEGATION_CREDENTIAL_ERROR
              payload:
                type: object
                description: |
                  Cal.com documentation describes this trigger without a
                  fully published payload schema. Subscribers should treat
                  unknown fields permissively.
                additionalProperties: true

    WrongAssignmentReport:
      name: WrongAssignmentReport
      title: WRONG_ASSIGNMENT_REPORT
      summary: A booking was reported as routed to the wrong assignee.
      contentType: application/json
      traits:
        - $ref: '#/components/messageTraits/CalWebhookHeaders'
      payload:
        allOf:
          - $ref: '#/components/schemas/WebhookEnvelope'
          - type: object
            properties:
              triggerEvent:
                const: WRONG_ASSIGNMENT_REPORT
              payload:
                type: object
                properties:
                  booking:
                    type: object
                    description: Reference to the original booking.
                    properties:
                      uid:
                        type: string
                      id:
                        type: integer
                  report:
                    type: object
                    properties:
                      reportedBy:
                        $ref: '#/components/schemas/Person'
                      reason:
                        type: string
                      assignedTo:
                        $ref: '#/components/schemas/Person'
                      shouldHaveBeenAssignedTo:
                        $ref: '#/components/schemas/Person'
                      notes:
                        type: string
                        nullable: true

  schemas:
    WebhookEnvelope:
      type: object
      description: |
        Standard Cal.com webhook envelope (used by every trigger except
        MEETING_STARTED and MEETING_ENDED, which deliver booking fields
        flat at the root).
      required:
        - triggerEvent
        - createdAt
        - payload
      properties:
        triggerEvent:
          type: string
          description: Event name (e.g. BOOKING_CREATED).
        createdAt:
          type: string
          format: date-time
          description: ISO 8601 timestamp at which the webhook was generated.
        payload:
          type: object
          description: Event-specific payload (shape varies by trigger).

    Person:
      type: object
      description: Organizer or attendee.
      properties:
        id:
          type: integer
          nullable: true
        name:
          type: string
        email:
          type: string
          format: email
        username:
          type: string
          nullable: true
        timeZone:
          type: string
          example: America/New_York
        language:
          type: object
          properties:
            locale:
              type: string
              example: en
        utcOffset:
          type: integer
          description: UTC offset in minutes.

    Location:
      oneOf:
        - type: string
          description: |
            Free-form location string (e.g. `integrations:zoom`,
            `integrations:daily`, `inPerson`, or a meeting URL).
        - type: object
          additionalProperties: true

    DestinationCalendar:
      type: object
      nullable: true
      properties:
        id:
          type: integer
        integration:
        

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# Full source: https://raw.githubusercontent.com/api-evangelist/cal-com/refs/heads/main/asyncapi/cal-com-webhooks-asyncapi.yaml