curl --request POST \
  --url https://api.iotools.cloud/v1/tool/gdt-positional-tolerance-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "featureType": "hole",
  "materialCondition": "mmc",
  "positionTolerance": "0.30",
  "conditionSize": "9.80",
  "actualSize": "9.95",
  "measuredDx": "0.10",
  "measuredDy": "0.05"
}
'

{
  "tool": "gdt-positional-tolerance-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "metric": "Feature Type",
        "value": "Hole (internal feature)"
      },
      {
        "metric": "Material Condition",
        "value": "MMC (Ⓜ)"
      },
      {
        "metric": "Specified Positional Tolerance",
        "value": "⌀0.300 mm"
      },
      {
        "metric": "Bonus Tolerance",
        "value": "⌀0.150 mm"
      },
      {
        "metric": "Total Positional Tolerance",
        "value": "⌀0.450 mm"
      },
      {
        "metric": "Virtual Condition Size",
        "value": "⌀9.500 mm"
      }
    ],
    "check": [
      {
        "metric": "Measured X Deviation",
        "value": "0.100 mm"
      },
      {
        "metric": "Measured Y Deviation",
        "value": "0.050 mm"
      },
      {
        "metric": "Measured Positional Deviation",
        "value": "⌀0.224 mm"
      },
      {
        "metric": "Result",
        "value": "PASS — 0.226 mm margin"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}