curl --request POST \
  --url https://api.iotools.cloud/v1/tool/html-minifier \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "html": "<h2>Hello, World!</h2>\n<p>This is a test.</p>",
  "collapseWhitespace": "true",
  "removeComments": "true",
  "removeAttributeQuotes": "true",
  "minifyCSS": "true",
  "minifyJS": "true"
}
'

{
  "tool": "html-minifier",
  "tool_version": "1.0.1",
  "outputs": {
    "output": "<h2>Hello, World!</h2><p>This is a test.</p>"
  },
  "credits_used": 3,
  "credits_remaining": null
}