curl --request POST \
  --url https://api.iotools.cloud/v1/tool/css-custom-properties-to-scss-converter \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "direction": "css-to-scss",
  "inputCode": ":root {\n  --primary-color: #464aff;\n  --spacing-base: 8px;\n  --accent-color: var(--primary-color);\n}\n\n.card {\n  color: var(--primary-color);\n  padding: var(--spacing-base, 16px);\n  border: 1px solid var(--border-color, #e0e0e0);\n}"
}
'

{
  "tool": "css-custom-properties-to-scss-converter",
  "tool_version": "1.0.2",
  "outputs": {
    "outputCode": "$primary-color: #464aff;\n  $spacing-base: 8px;\n  $accent-color: $primary-color;\n\n.card {\n  color: $primary-color;\n  padding: $spacing-base;\n  border: 1px solid #e0e0e0;\n}\n"
  },
  "credits_used": 5,
  "credits_remaining": null
}