curl --request POST \
  --url https://api.leen.dev/v1/itsm/tickets/bulk/sync \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-CONNECTION-ID: <api-key>' \
  --data '
{
  "tickets": [
    {
      "name": "<string>",
      "project_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "project_vendor_id": "<string>",
      "type": "<string>",
      "type_vendor_id": "<string>",
      "type_id": "<string>",
      "description": "<string>",
      "status": "<string>",
      "priority": "<string>",
      "assigned_user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "assigned_user_vendor_id": "<string>",
      "parent_ticket_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "parent_ticket_vendor_id": "<string>",
      "identifier": "<string>"
    }
  ]
}
'

{
  "total": 123,
  "succeeded": 123,
  "failed": 123,
  "results": [
    {
      "success": true,
      "request_index": 123,
      "identifier": "<string>",
      "ticket_id": "<string>",
      "vendor_ticket_id": "<string>",
      "error": "<string>"
    }
  ]
}