curl --request POST \
  --url https://api.iotools.cloud/v1/tool/absolute-value-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "numbers": "-12.5"
}
'

{
  "tool": "absolute-value-calculator",
  "tool_version": "1.0.2",
  "outputs": {
    "result": [
      {
        "number": "-12.5",
        "sign": "Negative",
        "absolute-value": "12.5"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}