curl --request POST \
  --url https://api.iotools.cloud/v1/tool/css-loading-animation-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "loaderType": "ring",
  "color": "#3498db",
  "size": "40",
  "speed": "1"
}
'

{
  "tool": "css-loading-animation-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "cssCode": ".io-loader {\n  display: inline-block;\n  width: 40px;\n  height: 40px;\n  border: 5px solid #eee;\n  border-top: 5px solid #3498db;\n  border-radius: 50%;\n  box-sizing: border-box;\n  animation: io-spin 1s linear infinite;\n}\n\n@keyframes io-spin {\n  to {\n    transform: rotate(360deg);\n  }\n}",
    "htmlCode": "<div class=\"io-loader\" role=\"status\" aria-label=\"Loading\"></div>"
  },
  "credits_used": 3,
  "credits_remaining": null
}