curl --request POST \
  --url https://api.iotools.cloud/v1/tool/working-hours-overtime-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "timeIn": "09:00",
  "timeOut": "18:00",
  "breakMinutes": "30",
  "overtimeRule": "daily_8",
  "hoursWorkedThisWeek": "0",
  "overtimeMultiplier": "1.5",
  "hourlyRate": "20"
}
'

{
  "tool": "working-hours-overtime-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "hoursWorked": "8h 30m (8.50 hrs)",
    "regularHours": "8h 00m (8.00 hrs)",
    "overtimeHours": "0h 30m (0.50 hrs)",
    "regularPay": "$160.00",
    "overtimePay": "$15.00",
    "grossPay": "$175.00",
    "payBreakdown": [
      {
        "type": "Regular",
        "hours": "8h 00m (8.00 hrs)",
        "rate": "$20.00/hr",
        "pay": "$160.00"
      },
      {
        "type": "Overtime",
        "hours": "0h 30m (0.50 hrs)",
        "rate": "$30.00/hr (1.5×)",
        "pay": "$15.00"
      },
      {
        "type": "Total",
        "hours": "8h 30m (8.50 hrs)",
        "rate": "-",
        "pay": "$175.00"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}