curl --request POST \
  --url https://api.iotools.cloud/v1/tool/area-of-a-parallelogram-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "base-height",
  "unit": "cm",
  "base": "12",
  "height": "5"
}
'

{
  "tool": "area-of-a-parallelogram-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "property": "Area",
        "value": "60 cm²"
      }
    ],
    "steps": "Area = base × height = 12 × 5 = 60 cm²"
  },
  "credits_used": 5,
  "credits_remaining": null
}