curl --request POST \
  --url https://api.iotools.cloud/v1/tool/survey-traverse-closure-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "legs": "0,100\n90,100\n180,100\n270,100"
}
'

{
  "tool": "survey-traverse-closure-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "metric": "Legs",
        "value": "4"
      },
      {
        "metric": "Perimeter",
        "value": "400"
      },
      {
        "metric": "ΣLatitude (N-S)",
        "value": "0"
      },
      {
        "metric": "ΣDeparture (E-W)",
        "value": "0"
      },
      {
        "metric": "Linear misclosure",
        "value": "0"
      },
      {
        "metric": "Precision ratio",
        "value": "Exact closure"
      },
      {
        "metric": "Closure bearing",
        "value": "-"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}