static void Main(string[] args)
{
    try
    {
        //set up the base url for the api
        string baseUrl = "https://192.168.23.185:8080/api/4/";

        //create the http client
        var httpClient = new System.Net.Http.HttpClient();

        //authenticate if needed
        //var authByteArray = Encoding.ASCII.GetBytes($"admin:password"); 
        //var authString = Convert.ToBase64String(authByteArray);
        //httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", authString);

        //create the client
        var client = new Client(baseUrl, httpClient);

        //get the nginx object
        var niginx = GetNginx(client).ConfigureAwait(false).GetAwaiter().GetResult();

        //get the endoints
        var endpoints = GetEndpoints(client).ConfigureAwait(false).GetAwaiter().GetResult();
    }
    catch (Exception e)
    {
        Console.WriteLine(e);
        throw;
    }
}

private static async Task<ICollection<string>> GetEndpoints(Client client)
{
    try
    {
        return await client.GetAPIEndpointsAsync();
    }
    catch (Exception e)
    {
        Console.WriteLine(e);
        throw;
    }
}

private static async Task<NginxObject> GetNginx(Client client)
{
    try
    {
                              
        return await client.GetNginxAsync("version,build,address,generation,load_timestamp,timestamp,pid,ppid");
    }
    catch (Exception e)
    {
        Console.WriteLine(e);
        throw;
    }
}