curl --request POST \
  --url https://api.iotools.cloud/v1/tool/loot-drop-probability-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "dropRate": "10",
  "attempts": "20",
  "targetDrops": "1"
}
'

{
  "tool": "loot-drop-probability-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "summary": [
      {
        "metric": "Drop Rate",
        "value": "10%"
      },
      {
        "metric": "Number of Attempts",
        "value": "20"
      },
      {
        "metric": "Target Number of Drops",
        "value": "1"
      },
      {
        "metric": "Probability of At Least 1 Drop(s)",
        "value": "87.8423%"
      },
      {
        "metric": "Probability of Fewer Than 1 Drop(s)",
        "value": "12.1577%"
      },
      {
        "metric": "Expected Number of Drops",
        "value": "2"
      },
      {
        "metric": "Attempts for 50% Confidence (at least one drop)",
        "value": "7"
      },
      {
        "metric": "Attempts for 90% Confidence (at least one drop)",
        "value": "22"
      },
      {
        "metric": "Attempts for 99% Confidence (at least one drop)",
        "value": "44"
      }
    ],
    "curve": [
      {
        "attempt": "1",
        "cumulative-probability": "10%"
      },
      {
        "attempt": "2",
        "cumulative-probability": "19%"
      },
      {
        "attempt": "3",
        "cumulative-probability": "27.1%"
      },
      {
        "attempt": "4",
        "cumulative-probability": "34.39%"
      },
      {
        "attempt": "5",
        "cumulative-probability": "40.951%"
      },
      {
        "attempt": "6",
        "cumulative-probability": "46.8559%"
      },
      {
        "attempt": "7",
        "cumulative-probability": "52.1703%"
      },
      {
        "attempt": "8",
        "cumulative-probability": "56.9533%"
      },
      {
        "attempt": "9",
        "cumulative-probability": "61.258%"
      },
      {
        "attempt": "10",
        "cumulative-probability": "65.1322%"
      },
      {
        "attempt": "11",
        "cumulative-probability": "68.6189%"
      },
      {
        "attempt": "12",
        "cumulative-probability": "71.757%"
      },
      {
        "attempt": "13",
        "cumulative-probability": "74.5813%"
      },
      {
        "attempt": "14",
        "cumulative-probability": "77.1232%"
      },
      {
        "attempt": "15",
        "cumulative-probability": "79.4109%"
      },
      {
        "attempt": "16",
        "cumulative-probability": "81.4698%"
      },
      {
        "attempt": "17",
        "cumulative-probability": "83.3228%"
      },
      {
        "attempt": "18",
        "cumulative-probability": "84.9905%"
      },
      {
        "attempt": "19",
        "cumulative-probability": "86.4915%"
      },
      {
        "attempt": "20",
        "cumulative-probability": "87.8423%"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}