curl --request POST \
  --url https://api.iotools.cloud/v1/tool/unicode-to-html-entities \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "inputText": "Café ©",
  "mode": "encode",
  "format": "named",
  "encodeAll": ""
}
'

{
  "tool": "unicode-to-html-entities",
  "tool_version": "1.0.1",
  "outputs": {
    "output": "Café ©",
    "charInfo": [
      {
        "char": "é",
        "code-point": "U+00E9",
        "named": "é",
        "decimal": "é",
        "hex": "é"
      },
      {
        "char": "©",
        "code-point": "U+00A9",
        "named": "©",
        "decimal": "©",
        "hex": "©"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}