curl --request POST \
  --url https://api.iotools.cloud/v1/tool/base64-inspector \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "base64String": "SGVsbG8sIFdvcmxkISA+Pj4gc3ViamVjdHM/Pz8="
}
'

{
  "tool": "base64-inspector",
  "tool_version": "1.0.1",
  "outputs": {
    "summary": [
      {
        "property": "Valid",
        "value": "Yes"
      },
      {
        "property": "Alphabet",
        "value": "Standard (A-Z a-z 0-9 + /)"
      },
      {
        "property": "Padding characters",
        "value": "1"
      },
      {
        "property": "Decoded byte length",
        "value": "29"
      },
      {
        "property": "Content type guess",
        "value": "UTF-8 text"
      }
    ],
    "preview": "Hello, World! >>> subjects???",
    "hexDump": "00000000: 4865 6c6c 6f2c 2057 6f72 6c64 2120 3e3e  Hello, World! >>\n00000010: 3e20 7375 626a 6563 7473 3f3f 3f         > subjects???"
  },
  "credits_used": 3,
  "credits_remaining": null
}