curl --request GET \
  --url http://localhost:8080/v1/batches \
  --header 'x-model-provider: <x-model-provider>'

{
  "object": "<string>",
  "data": [
    {
      "id": "<string>",
      "object": "<string>",
      "endpoint": "<string>",
      "input_file_id": "<string>",
      "completion_window": "<string>",
      "status": "validating",
      "request_counts": {
        "total": 123,
        "completed": 123,
        "failed": 123
      },
      "created_at": 123,
      "expires_at": 123,
      "in_progress_at": 123,
      "completed_at": 123,
      "failed_at": 123,
      "output_file_id": "<string>",
      "error_file_id": "<string>",
      "extra_fields": "<unknown>"
    }
  ],
  "has_more": true,
  "first_id": "<string>",
  "last_id": "<string>",
  "extra_fields": "<unknown>"
}