diff --git a/Nexmo.Api/SMS.cs b/Nexmo.Api/SMS.cs
index adc2bd77a..e97f3da78 100644
--- a/Nexmo.Api/SMS.cs
+++ b/Nexmo.Api/SMS.cs
@@ -1,7 +1,69 @@
-namespace Nexmo.Api
+using Newtonsoft.Json;
+
+namespace Nexmo.Api
 {
     public static class SMS
     {
+        public class SMSRequest
+        {
+            public string from { get; set; }
+            public string to { get; set; }
+            public string type { get; set; }
+            public string text { get; set; }
+            [JsonProperty("status-report-req")]
+            public string status_report_req { get; set; }
+            [JsonProperty("client-ref")]
+            public string client_ref { get; set; }
+            [JsonProperty("network-code")]
+            public string network_code { get; set; }
+            public string vcar { get; set; }
+            public string vcal { get; set; }
+            public string ttl { get; set; }
+            [JsonProperty("message-class")]
+            public string message_class { get; set; }
+            public string udh { get; set; }
+            public string body { get; set; }
+        }
+
+        public class SMSResponse
+        {
+            [JsonProperty("message-count")]
+            public string message_count { get; set; }
+            public System.Collections.Generic.List<SMSResponseDetail> messages { get; set; }
+        }
+
+        public class SMSResponseDetail
+        {
+            public string status { get; set; }
+            [JsonProperty("message-id")]
+            public string message_id { get; set; }
+            public string to { get; set; }
+            [JsonProperty("client-ref")]
+            public string client_ref { get; set; }
+            [JsonProperty("remaining-balance")]
+            public string remaining_balance { get; set; }
+            [JsonProperty("message-price")]
+            public string message_price { get; set; }
+            public string network { get; set; }
+            [JsonProperty("error-text")]
+            public string error_text { get; set; }
+        }
+
+        public static SMSResponse SendSMS(SMSRequest request)
+        {
+
+            if (string.IsNullOrEmpty(request.from))
+            {
+                request.from = System.Configuration.ConfigurationManager.AppSettings["Nexmo.sender_id"];
+            }
+
+            var jsonstring = ApiRequest.DoRequest(ApiRequest.GetBaseUriFor(typeof(SMSResponse), "/sms/json"), request);
+
+            return JsonConvert.DeserializeObject<SMSResponse>(jsonstring);
+        }
+        
+        
+        
         // TODO: send message
         
         // TODO: deliver receipt callback