curl --request POST \
  --url https://api.iotools.cloud/v1/tool/css-flexbox-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "flexDirection": "row",
  "justifyContent": "space-between",
  "alignItems": "center",
  "flexWrap": "wrap",
  "alignContent": "stretch",
  "gap": "16"
}
'

{
  "tool": "css-flexbox-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "cssCode": ".container {\n  display: flex;\n  flex-direction: row;\n  justify-content: space-between;\n  align-items: center;\n  flex-wrap: wrap;\n  align-content: stretch;\n  gap: 16px;\n}"
  },
  "credits_used": 3,
  "credits_remaining": null
}