public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            sfDataGrid1.DataSource = GetRESTData("http://45.237.184.122:4000/clientes?limit=10");
            this.sfDataGrid1.Columns.Add(new GridTextColumn() { MappingName = "idclave_nombre" });
        }

        private JObject GetRESTData(string uri)
        {
            var webRequest = (HttpWebRequest)WebRequest.Create(uri);
            var webResponse = (HttpWebResponse)webRequest.GetResponse();
            var reader = new StreamReader(webResponse.GetResponseStream());
            string data = reader.ReadToEnd();
            return JsonConvert.DeserializeObject<JObject>(data);

        }
    }
}

public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            sfDataGrid1.DataSource = GetRESTData("http://45.237.184.122:4000/clientes?limit=10");
            this.sfDataGrid1.Columns.Add(new GridTextColumn() { MappingName = "idclave_nombre" });
        }

        private JObject GetRESTData(string uri)
        {
            var webRequest = (HttpWebRequest)WebRequest.Create(uri);
            var webResponse = (HttpWebResponse)webRequest.GetResponse();
            var reader = new StreamReader(webResponse.GetResponseStream());
            string data = reader.ReadToEnd();
            return JsonConvert.DeserializeObject<JObject>(data);

        }
    }
}