curl --request POST \
  --url https://api.iotools.cloud/v1/tool/hex-to-text \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "mode": "hexToText",
  "inputText": "48 65 6C 6C 6F 20 57 6F 72 6C 64 21"
}
'

{
  "tool": "hex-to-text",
  "tool_version": "1.0.1",
  "outputs": {
    "output": "Hello World!"
  },
  "credits_used": 3,
  "credits_remaining": null
}