Example: Get List Items

Example.GetListItems.cs

using (var client = new SPHttpClient(webUri, userName, password))
{
    var listTitle = "Tasks";
    var endpointUrl = string.Format("{0}/_api/web/lists/getbytitle('{1}')/items",webUri,listTitle);
    var data = client.ExecuteJson(endpointUrl);
    foreach (var item in data["value"])
    {
        Console.WriteLine(item["Title"]);
    }
}