curl --request POST \
  --url https://api.iotools.cloud/v1/tool/csv-pivot-table-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "csvInput": "Region,Product,Units\nNorth,Widget,10\nNorth,Gadget,5\nSouth,Widget,7\nSouth,Gadget,3\nNorth,Widget,2\nSouth,Gadget,4",
  "rowField": "Region",
  "columnField": "Product",
  "valueField": "Units",
  "aggregation": "sum"
}
'

{
  "tool": "csv-pivot-table-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "pivotTable": [
      [
        "",
        "Gadget",
        "Widget"
      ],
      [
        "North",
        "5",
        "12"
      ],
      [
        "South",
        "7",
        "7"
      ]
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}