curl --request POST \
  --url https://api.iotools.cloud/v1/tool/geo-polygon-area-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "vertices": "40.800,-73.958\n40.800,-73.949\n40.764,-73.949\n40.764,-73.958"
}
'

{
  "tool": "geo-polygon-area-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "metric": "Vertices",
        "value": "4"
      },
      {
        "metric": "Area (m²)",
        "value": "3033380.73"
      },
      {
        "metric": "Area (km²)",
        "value": "3.0334"
      },
      {
        "metric": "Area (hectares)",
        "value": "303.3381"
      },
      {
        "metric": "Area (acres)",
        "value": "749.5647"
      },
      {
        "metric": "Perimeter (km)",
        "value": "9.522"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}