curl --request POST \
  --url https://public-api.sessionboard.com/v1/event/{eventId}/sponsors/bulk \
  --header 'Content-Type: application/json' \
  --header 'x-access-token: <api-key>' \
  --data '
{
  "operations": [
    {
      "action": "create",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "data": {}
    }
  ]
}
'

{
  "batch_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "results": [
    {
      "index": 123,
      "action": "<string>",
      "status": "success",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "error": {
        "code": "<string>",
        "message": "<string>"
      }
    }
  ],
  "stats": {
    "total": 123,
    "succeeded": 123,
    "failed": 123
  }
}