curl --request POST \
  --url https://api.iotools.cloud/v1/tool/cpc-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "calcMode": "cpc",
  "currency": "USD",
  "cpmInput": "10.00",
  "ctrInput": "2"
}
'

{
  "tool": "cpc-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "results": [
      {
        "metric": "CPC (cost per click)",
        "value": "$0.50"
      },
      {
        "metric": "CPM (cost per 1,000 impressions)",
        "value": "$10.00"
      },
      {
        "metric": "CTR (click-through rate)",
        "value": "2.00%"
      },
      {
        "metric": "Clicks per 1,000 impressions",
        "value": "20.0"
      },
      {
        "metric": "Cost per 1,000 clicks",
        "value": "$500.00"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}