Cancel an appointment

curl --request POST \
  --url https://api.example.com/v4/appointment/{id}/cancel \
  --header 'Content-Type: application/json' \
  --header 'x-meetergo-api-user-id: <api-key>' \
  --data '
{
  "reason": "Schedule conflict",
  "attendeeId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "cancelAll": false,
  "cancelEntireSeries": false
}
'

{
  "id": "<string>",
  "secret": "<string>",
  "ics": "<string>",
  "meetingInfo": {
    "name": "<string>",
    "description": "<string>",
    "enableRedirect": true,
    "redirect": "<string>",
    "passEventDetailsToRedirect": true,
    "duration": 123,
    "channel": "local",
    "customChannelName": "<string>",
    "customChannelLink": "<string>",
    "groupBooking": true,
    "showAvailableSlots": true,
    "enrichInvitee": true,
    "confirmationButton": {
      "useConfirmationButton": true,
      "text": "<string>",
      "color": "<string>",
      "link": "<string>"
    },
    "bufferBefore": 123,
    "bufferAfter": 123,
    "color": {}
  },
  "hostingInfo": {
    "mainHost": "<string>",
    "meetingLink": "<string>",
    "googleEventId": "<string>",
    "googleConnectionSub": "<string>",
    "calendarConnectionId": "<string>",
    "zoomMeetingId": 123,
    "connectChannelId": "<string>",
    "wherebyMeetingId": "<string>",
    "calendarSyncProviders": {
      "id": "<string>",
      "type": "<string>",
      "hostId": "<string>",
      "eventId": "<string>",
      "calendarId": "<string>"
    }
  },
  "cancel": {
    "actionSource": "attendee",
    "actionAt": "<string>",
    "actionBy": "<string>",
    "reason": "<string>"
  },
  "crmOptions": {
    "hubspotContactSync": true,
    "hubspotContactStage": "<string>",
    "hubspotCompanySync": true,
    "hubspotCompanyStage": "<string>",
    "hubspotCompanyMatchingField": "<string>",
    "hubspotDealSync": true,
    "hubspotDealStage": "<string>",
    "hubspotPipelineId": "<string>",
    "pipedriveDealSync": true,
    "pipedriveContactSync": true,
    "pipedrivePipelineId": 123,
    "pipedriveStageId": 123,
    "pipedriveUseExistingDeal": true,
    "centralStationContactSync": true,
    "centralStationTaskSync": true,
    "centralStationDealSync": true,
    "centralStationPipelineId": 123,
    "centralStationStageId": 123,
    "linkandoSyncEnabled": true,
    "linkandoPlaybookId": 123,
    "linkandoTemplateId": 123,
    "evalancheEnabled": true,
    "klicktippEnabled": true,
    "getResponseEnabled": true,
    "getResponseCampaignId": "<string>",
    "brevoEnabled": true,
    "sevdeskEnabled": true,
    "sevdeskCategoryId": 123,
    "smartWeContactSync": true,
    "smartWeCompanySync": true,
    "smartWeDealSync": true,
    "smartWeDealStage": "<string>",
    "salesforceSyncEnabled": true,
    "salesforceCaseSync": true,
    "salesforceLeadSync": true,
    "salesforceOpportunitySync": true,
    "salesforceLeadStatus": "<string>",
    "salesforceCaseStatus": "<string>",
    "salesforceOpportunityStage": "<string>",
    "salesforceDefaultObjectType": "<string>",
    "internalCrmPipelineId": {},
    "internalCrmStageId": {},
    "crmOptInFieldName": {}
  },
  "start": "<string>",
  "end": "<string>",
  "isCancelled": true,
  "attendees": [
    {
      "id": "<string>",
      "secret": "<string>",
      "bringalongEmails": [
        "<string>"
      ],
      "notes": {},
      "receiveReminders": true,
      "language": "<string>",
      "timezone": "<string>",
      "noShow": true,
      "dataPolicyAccepted": true,
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "email": "<string>",
      "fullname": "<string>",
      "firstname": "<string>",
      "lastname": "<string>",
      "phone": "<string>",
      "doubleOptIn": "<string>",
      "deletedAt": "<string>"
    }
  ],
  "attendeeIds": [
    "<string>"
  ],
  "roundRobinEntries": [
    {
      "id": 123,
      "createdAt": "<string>",
      "userId": "<string>",
      "groupId": "<string>",
      "appointmentId": "<string>",
      "queueId": "<string>",
      "selectionReason": "<string>"
    }
  ],
  "meetingTypeId": "<string>",
  "hostIds": [
    "<string>"
  ],
  "scheduledReminderIds": [
    "<string>"
  ],
  "companyId": "<string>",
  "createdAt": "<string>",
  "updatedAt": "<string>",
  "resolvableErrors": [
    {
      "errorCode": "<string>"
    }
  ],
  "rescheduledAt": "<string>",
  "location": "<string>",
  "deletedAt": "<string>",
  "paymentId": "<string>",
  "note": "<string>",
  "transcription": "<string>",
  "summary": "<string>"
}