curl --request POST \
  --url https://api.iotools.cloud/v1/tool/golden-ratio-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "solveFrom": "total",
  "total": "10",
  "precision": "4"
}
'

{
  "tool": "golden-ratio-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "results": [
      {
        "metric": "Total length (a + b)",
        "value": "10"
      },
      {
        "metric": "Larger segment (a)",
        "value": "6.1803"
      },
      {
        "metric": "Smaller segment (b)",
        "value": "3.8197"
      },
      {
        "metric": "Golden ratio (a ÷ b)",
        "value": "1.618"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}