curl --request POST \
  --url https://api.promptlayer.com/api/public/v2/dataset-groups \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <x-api-key>' \
  --data '
{
  "name": "<string>",
  "workspace_id": 2
}
'

{
  "success": true,
  "message": "<string>",
  "dataset_group": {
    "id": 123,
    "name": "<string>",
    "workspace_id": 123,
    "is_deleted": true
  },
  "dataset": {
    "id": 123,
    "dataset_group_id": 123,
    "version_number": 123,
    "column_names": [
      "<string>"
    ],
    "is_deleted": true,
    "user_id": 123,
    "filter_params": {},
    "dataset_group": {
      "id": 123,
      "name": "<string>",
      "workspace_id": 123,
      "is_deleted": true
    }
  }
}