curl --request POST \
  --url https://api.iotools.cloud/v1/tool/distance-speed-time-triangle-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "mode": "solve_d",
  "distanceUnit": "km",
  "speedUnit": "kmh",
  "speed": "60",
  "timeHours": "2.5"
}
'

{
  "tool": "distance-speed-time-triangle-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "result": [
      {
        "metric": "Distance",
        "value": "150 km"
      },
      {
        "metric": "Speed",
        "value": "60 km/h"
      },
      {
        "metric": "Time",
        "value": "2.5 h (2h 30m)"
      }
    ],
    "steps": "distance = speed × time"
  },
  "credits_used": 5,
  "credits_remaining": null
}