curl --request POST \
  --url https://api.iotools.cloud/v1/tool/svg-loading-spinner-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "spinnerType": "circle-stroke",
  "size": "60",
  "strokeWidth": "6",
  "primaryColor": "#464aff",
  "secondaryColor": "#e6e7ff",
  "speed": "1",
  "ariaLabel": "Loading"
}
'

{
  "tool": "svg-loading-spinner-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"60\" height=\"60\" viewBox=\"0 0 100 100\" role=\"status\" aria-label=\"Loading\"><style>.iosp-arc { animation: iosp-spin 1s linear infinite; }@keyframes iosp-spin { to { transform: rotate(360deg); } }</style><circle class=\"iosp-track\" cx=\"50\" cy=\"50\" r=\"45\" fill=\"none\" stroke=\"#e6e7ff\" stroke-width=\"10\"/><circle class=\"iosp-arc\" cx=\"50\" cy=\"50\" r=\"45\" fill=\"none\" stroke=\"#464aff\" stroke-width=\"10\" stroke-linecap=\"round\" stroke-dasharray=\"212.06 70.69\" transform-origin=\"50 50\"/></svg>"
  },
  "credits_used": 3,
  "credits_remaining": null
}