curl --request POST \
  --url https://api.iotools.cloud/v1/tool/svg-filter-effects-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "filterType": "blur",
  "blurStdDev": "4",
  "filterId": "myFilter",
  "previewTarget": "shapes"
}
'

{
  "tool": "svg-filter-effects-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 400 240\" width=\"400\" height=\"240\"><defs><filter id=\"myFilter\" x=\"-30%\" y=\"-30%\" width=\"160%\" height=\"160%\"><feGaussianBlur in=\"SourceGraphic\" stdDeviation=\"4\"/></filter></defs><rect width=\"400\" height=\"240\" fill=\"#ffffff\"/><g filter=\"url(#myFilter)\"><circle cx=\"120\" cy=\"120\" r=\"60\" fill=\"#ff6b6b\"/><rect x=\"200\" y=\"60\" width=\"120\" height=\"120\" rx=\"14\" fill=\"#339af0\"/><polygon points=\"200,200 280,200 240,130\" fill=\"#ffd43b\"/></g></svg>",
    "filterCode": "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"0\" height=\"0\" style=\"position:absolute\">\n  <filter id=\"myFilter\" x=\"-30%\" y=\"-30%\" width=\"160%\" height=\"160%\">\n    <feGaussianBlur in=\"SourceGraphic\" stdDeviation=\"4\"/>\n  </filter>\n</svg>",
    "cssCode": "/* Option 1 — CSS shorthand (where the primitive has one) */\nfilter: blur(4px);\n\n/* Option 2 — reference the SVG <filter> by id (works for every primitive) */\n.target { filter: url(#myFilter); }"
  },
  "credits_used": 3,
  "credits_remaining": null
}