curl --request POST \
  --url https://api.iotools.cloud/v1/tool/css-background-pattern-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "pattern": "dots",
  "color": "#6366f1",
  "bgColor": "#ffffff",
  "opacity": "100",
  "size": "32",
  "weight": "3",
  "className": "io-pattern"
}
'

{
  "tool": "css-background-pattern-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "css": ".io-pattern {\n  background-color: #ffffff;\n  background-image: radial-gradient(circle, #6366f1 3px, transparent 4px);\n  background-size: 32px 32px;\n}",
    "html": "<div class=\"io-pattern\" style=\"min-height: 260px\"></div>"
  },
  "credits_used": 3,
  "credits_remaining": null
}