curl --request POST \
  --url https://api.iotools.cloud/v1/tool/border-radius-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "linked": "true",
  "unit": "px",
  "topLeft": "10",
  "topRight": "0",
  "bottomRight": "0",
  "bottomLeft": "0"
}
'

{
  "tool": "border-radius-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "cssCode": "border-radius: 10px;"
  },
  "credits_used": 3,
  "credits_remaining": null
}