\begin{minipage}[t]{0.45\textwidth}
\begin{lstlisting}[language=JSON]
[
  {
    "id": 1,
    "name": "smtp.enabled",
    "value": "false"
  },
  {
    "id": 2,
    "name": "mail.transport.protocol",
    "value": "smtp"
  },
  {
    "id": 3,
    "name": "mail.smtp.host",
    "value": ""
  },
  {
    "id": 4,
    "name": "mail.smtp.port",
    "value": "0"
  },
  {
    "id": 5,
    "name": "mail.debug",
    "value": "false"
  }
]
\end{lstlisting}
\end{minipage}