Get frac spreads data

Example response

{
  "status": "success",
  "data": {
    "frac_spreads": [
      {
        "code": "US_RIG_COUNT",
        "name": "US Rig Count",
        "value": 540,
        "unit": "rigs",
        "source": "Baker Hughes",
        "created_at": "2026-07-27T00:00:00Z",
        "formatted_date": "2026-07-27 00:00:00 UTC"
      }
    ],
    "summary": {
      "national_count": 196
    }
  }
}