curl --request POST \
  --url https://api.example.com/api/v2/projects/{project_id}/prompt-datasets/{dataset_id}/test-cases/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    {
      "inputs": {},
      "output": null,
      "metadata": null,
      "history": null,
      "media_inputs": null
    }
  ]
}
'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "inputs": {},
      "output": null,
      "output_message": {
        "content": [
          {
            "text": "<string>",
            "type": "text"
          }
        ],
        "role": "user"
      },
      "metadata": null,
      "media_inputs": null,
      "history": null
    }
  ]
}