async def get_config(request: ConfigGetRequest):
    """
    Endpoint to get a configuration value by key using POST.

    Args:
        key: The configuration key

    Returns:
        The configuration value or a default message if not found
    """
    value = Configuration.get(request.key)
    return {"key": request.key, "value": value}

    Endpoint to get a configuration value by key using POST.

    Args:
        key: The configuration key

    Returns:
        The configuration value or a default message if not found
    
src/upsonic/server/storage/server/server.py