curl --request POST \
  --url https://api.iotools.cloud/v1/tool/date-difference-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "startDate": "2024-01-01",
  "endDate": "2024-12-31",
  "weekendDays": "sat_sun",
  "holidayPreset": "none"
}
'

{
  "tool": "date-difference-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "result": [
      {
        "metric": "From",
        "value": "Monday, January 1, 2024"
      },
      {
        "metric": "To",
        "value": "Tuesday, December 31, 2024"
      },
      {
        "metric": "Total Days",
        "value": "365 days"
      },
      {
        "metric": "Weeks & Days",
        "value": "52 weeks and 1 day"
      },
      {
        "metric": "Months & Days",
        "value": "11 months and 30 days"
      },
      {
        "metric": "Years, Months & Days",
        "value": "0 years, 11 months and 30 days"
      },
      {
        "metric": "Weekend Days",
        "value": "104 (Saturdays & Sundays)"
      },
      {
        "metric": "Business Days",
        "value": "261"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}