curl --request GET \\
  --url https://voip-middlware.superu.ai/tool/tool_01HXR9259WDZ2X3ZZKQ7HDG4C2 \\
  --header 'superU-Api-Key: YOUR_SUPERU_API_KEY'

{
  "status": "success",
  "tool": {
    "tool_id": "tool_01HXR9259WDZ2X3ZZKQ7HDG4C2",
    "name": "check-user-status",
    "description": "Check if a user exists"
  }
}