diff --git a/http/QueryParams.cs b/http/QueryParams.cs
index f08ce18..e96a80e 100644
--- a/http/QueryParams.cs
+++ b/http/QueryParams.cs
@@ -7,6 +7,7 @@
 using System.Linq;
 using System.Text;
 using UnityEngine;
+using UnityEngine.Networking;
 
 namespace RESTClient {
   public class QueryParams {
@@ -26,8 +27,8 @@ public override string ToString() {
       }
       StringBuilder sb = new StringBuilder("?");
       foreach (KeyValuePair<string, string> param in parameters) {
-        string key = WWW.EscapeURL(param.Key);
-        string value = WWW.EscapeURL(param.Value);
+        string key = UnityWebRequest.EscapeURL(param.Key);
+        string value = UnityWebRequest.EscapeURL(param.Value);
         sb.Append(key + "=" + value + "&");
       }
       sb.Remove(sb.Length - 1, 1);
diff --git a/http/RestRequest.cs b/http/RestRequest.cs
index d316e2b..f67ecf5 100644
--- a/http/RestRequest.cs
+++ b/http/RestRequest.cs
@@ -36,19 +36,14 @@ public void AddHeaders(Dictionary<string, string> headers) {
 
     public void AddBody(string text, string contentType = "text/plain; charset=UTF-8") {
       byte[] bytes = Encoding.UTF8.GetBytes(text);
-      this.AddBody(bytes, contentType, false);
+      this.AddBody(bytes, contentType);
     }
 
     public void AddBody(byte[] bytes, string contentType) {
-      this.AddBody(bytes, contentType, false);
-    }
-
-    public void AddBody(byte[] bytes, string contentType, bool isChunked) {
       if (Request.uploadHandler != null) {
         Debug.LogWarning("Request body can only be set once");
         return;
       }
-      Request.chunkedTransfer = isChunked;
       Request.uploadHandler = new UploadHandlerRaw(bytes);
       Request.uploadHandler.contentType = contentType;
     }
@@ -60,7 +55,7 @@ public void AddBody(byte[] bytes, string contentType, bool isChunked) {
       }
       string jsonString = JsonUtility.ToJson(data);
       byte[] bytes = Encoding.UTF8.GetBytes(jsonString);
-      this.AddBody(bytes, contentType, false);
+      this.AddBody(bytes, contentType);
     }
 
     public virtual void AddQueryParam(string key, string value, bool shouldUpdateRequestUrl = false) {