curl --request POST \
  --url https://api.iotools.cloud/v1/tool/percent-off-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "originalPrice": "100",
  "discountPercentage": "25"
}
'

{
  "tool": "percent-off-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "result": [
      {
        "metric": "Sale Price",
        "value": "75.00"
      },
      {
        "metric": "You Save",
        "value": "25.00"
      },
      {
        "metric": "Original Price",
        "value": "100.00"
      },
      {
        "metric": "Discount %",
        "value": "25.00%"
      },
      {
        "metric": "You Pay %",
        "value": "75.00%"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}