curl --request GET \
  --url https://api.example.com/api/playground/sessions/{session_id}/profile \
  --header 'Authorization: Bearer <token>'

{
  "session_id": "<string>",
  "row_count": 123,
  "profiles": [
    {
      "name": "<string>",
      "dtype": "<string>",
      "null_count": 123,
      "null_ratio": 123,
      "unique_count": 123,
      "is_numeric": true,
      "is_categorical": true,
      "min": 123,
      "max": 123,
      "mean": 123,
      "std": 123,
      "p25": 123,
      "p50": 123,
      "p75": 123,
      "outlier_count": 123,
      "top_values": [],
      "quality_flags": []
    }
  ]
}