curl --request POST \
  --url https://api.iotools.cloud/v1/tool/point-to-plane-distance-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "a": "2",
  "b": "-1",
  "c": "2",
  "d": "-3",
  "x0": "1",
  "y0": "2",
  "z0": "3"
}
'

{
  "tool": "point-to-plane-distance-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "metric": "Distance",
        "value": "1"
      },
      {
        "metric": "Foot of Perpendicular",
        "value": "(0.333333, 2.33333, 2.33333)"
      },
      {
        "metric": "Signed Distance",
        "value": "1"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}