curl --request POST \
  --url https://api.iotools.cloud/v1/tool/discount-markup-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "calcMode": "markup",
  "costPrice": "50",
  "markupPercent": "40"
}
'

{
  "tool": "discount-markup-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "result": [
      {
        "metric": "Sale Price",
        "value": "70.00"
      },
      {
        "metric": "Cost Price",
        "value": "50.00"
      },
      {
        "metric": "Profit",
        "value": "20.00"
      },
      {
        "metric": "Markup %",
        "value": "40.00%"
      },
      {
        "metric": "Margin %",
        "value": "28.57%"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}