diff --git a/docs/AdvancedAuthenticationApi.md b/docs/AdvancedAuthenticationApi.md
index 274bd53..0da51ea 100644
--- a/docs/AdvancedAuthenticationApi.md
+++ b/docs/AdvancedAuthenticationApi.md
@@ -11,7 +11,8 @@ Method | HTTP request | Description
 <a name="authenticate"></a>
 # **authenticate**
 > AccessToken authenticate(authenticatePayload)
-
+> okhttp3.Call authenticateAsync(authenticatePayload, callback)
+> ApiResponse<AccessToken> authenticateWithHttpInfo(authenticatePayload)
 Get Bearer Token
 
 Returns a bearer token that can be used to authenticate other endpoint.  You can find the tutorial on using the disposable bearer token [here](https://docs.api.video/reference/disposable-bearer-token-authentication).
@@ -77,7 +78,8 @@ No authorization required
 <a name="refresh"></a>
 # **refresh**
 > AccessToken refresh(refreshTokenPayload)
-
+> okhttp3.Call refreshAsync(refreshTokenPayload, callback)
+> ApiResponse<AccessToken> refreshWithHttpInfo(refreshTokenPayload)
 Refresh Bearer Token
 
 Accepts the old bearer token and returns a new bearer token that can be used to authenticate other endpoint.  You can find the tutorial on using the disposable bearer token [here](https://docs.api.video/reference/disposable-bearer-token-authentication).
diff --git a/docs/VideosApi.md b/docs/VideosApi.md
index f277df3..803bfb6 100644
--- a/docs/VideosApi.md
+++ b/docs/VideosApi.md
@@ -11,7 +11,8 @@ Method | HTTP request | Description
 <a name="upload"></a>
 # **upload**
 > Video upload(videoId, file)
-
+> okhttp3.Call uploadAsync(videoId, file, callback)
+> ApiResponse<Video> uploadWithHttpInfo(videoId, file)
 Upload a video
 
 To upload a video to the videoId you created. You can only upload your video to the videoId once.
@@ -124,7 +125,8 @@ Video result = session.uploadLastPart(new File("sample.mp4.partn"));
 <a name="uploadWithUploadToken"></a>
 # **uploadWithUploadToken**
 > Video uploadWithUploadToken(token, file)
-
+> okhttp3.Call uploadWithUploadTokenAsync(token, file, callback)
+> ApiResponse<Video> uploadWithUploadTokenWithHttpInfo(token, file)
 Upload with an delegated upload token
 
 This method allows you to send a video using an upload token. Upload tokens are especially useful when the upload is done from the client side. If you want to upload a video from your server-side application, you'd better use the [standard upload method](#upload).
diff --git a/src/main/java/video/api/uploader/VideosApi.java b/src/main/java/video/api/uploader/VideosApi.java
index 7779b28..3e12ae6 100644
--- a/src/main/java/video/api/uploader/VideosApi.java
+++ b/src/main/java/video/api/uploader/VideosApi.java
@@ -549,7 +549,7 @@ public ApiResponse<Video> uploadWithHttpInfo(String videoId, File file) throws A
         return uploadWithHttpInfo(videoId, file, null);
     }
 
-    public ApiResponse<Video> uploadPartWithHttpInfo(String videoId, File file, Integer part, boolean isLast,
+    private ApiResponse<Video> uploadPartWithHttpInfoInternal(String videoId, File file, Integer part, boolean isLast,
             UploadPartProgressListener uploadProgressListener) throws ApiException {
         long fileSize = file.length();
         okhttp3.Call localVarCall = uploadChunkValidateBeforeCall(videoId, file, 0, fileSize, fileSize,
@@ -619,10 +619,17 @@ public Video uploadLastPart(File part, Integer partId, UploadPartProgressListene
         @Override
         public Video uploadPart(File part, Integer partId, boolean isLastPart,
                 UploadPartProgressListener uploadProgressListener) throws ApiException {
-            ApiResponse<Video> localVarResp = uploadPartWithHttpInfo(this.videoId, part, partId, isLastPart,
+            ApiResponse<Video> localVarResp = uploadPartWithHttpInfo(part, partId, isLastPart, uploadProgressListener);
+            return localVarResp.getData();
+        }
+
+        @Override
+        public ApiResponse<Video> uploadPartWithHttpInfo(File part, Integer partId, boolean isLastPart,
+                UploadPartProgressListener uploadProgressListener) throws ApiException {
+            ApiResponse<Video> localVarResp = uploadPartWithHttpInfoInternal(this.videoId, part, partId, isLastPart,
                     uploadProgressListener);
 
-            return localVarResp.getData();
+            return localVarResp;
         }
     }
 
@@ -1202,7 +1209,7 @@ public ApiResponse<Video> uploadWithUploadTokenWithHttpInfo(String token, File f
         return uploadWithUploadTokenWithHttpInfo(token, file, null, null);
     }
 
-    public ApiResponse<Video> uploadWithUploadTokenPartWithHttpInfo(String token, File file, String videoId,
+    private ApiResponse<Video> uploadWithUploadTokenPartWithHttpInfoInternal(String token, File file, String videoId,
             Integer part, boolean isLast, UploadPartProgressListener uploadProgressListener) throws ApiException {
         long fileSize = file.length();
         okhttp3.Call localVarCall = uploadWithUploadTokenChunkValidateBeforeCall(token, file, videoId, 0, fileSize,
@@ -1278,12 +1285,19 @@ public Video uploadLastPart(File part, Integer partId, UploadPartProgressListene
         @Override
         public Video uploadPart(File part, Integer partId, boolean isLastPart,
                 UploadPartProgressListener uploadProgressListener) throws ApiException {
-            ApiResponse<Video> localVarResp = uploadWithUploadTokenPartWithHttpInfo(this.token, part, this.videoId,
-                    partId, isLastPart, uploadProgressListener);
+            ApiResponse<Video> localVarResp = uploadPartWithHttpInfo(part, partId, isLastPart, uploadProgressListener);
+            return localVarResp.getData();
+        }
+
+        @Override
+        public ApiResponse<Video> uploadPartWithHttpInfo(File part, Integer partId, boolean isLastPart,
+                UploadPartProgressListener uploadProgressListener) throws ApiException {
+            ApiResponse<Video> localVarResp = uploadWithUploadTokenPartWithHttpInfoInternal(this.token, part,
+                    this.videoId, partId, isLastPart, uploadProgressListener);
             if (this.videoId == null) {
                 this.videoId = localVarResp.getData().getVideoId();
             }
-            return localVarResp.getData();
+            return localVarResp;
         }
     }
 
diff --git a/src/main/java/video/api/uploader/api/upload/IProgressiveUploadSession.java b/src/main/java/video/api/uploader/api/upload/IProgressiveUploadSession.java
index f2e3ccc..0918e61 100644
--- a/src/main/java/video/api/uploader/api/upload/IProgressiveUploadSession.java
+++ b/src/main/java/video/api/uploader/api/upload/IProgressiveUploadSession.java
@@ -1,32 +1,35 @@
 package video.api.uploader.api.upload;
 
 import video.api.uploader.api.ApiException;
+import video.api.uploader.api.ApiResponse;
 import video.api.uploader.api.models.Video;
 
 import java.io.File;
 
 public interface IProgressiveUploadSession {
-    public String getVideoId();
+    String getVideoId();
 
-    public String getToken();
+    String getToken();
 
-    public Video uploadPart(File part) throws ApiException;
+    Video uploadPart(File part) throws ApiException;
 
-    public Video uploadLastPart(File part) throws ApiException;
+    Video uploadLastPart(File part) throws ApiException;
 
-    public Video uploadPart(File part, UploadPartProgressListener uploadProgressListener) throws ApiException;
+    Video uploadPart(File part, UploadPartProgressListener uploadProgressListener) throws ApiException;
 
-    public Video uploadLastPart(File part, UploadPartProgressListener uploadProgressListener) throws ApiException;
+    Video uploadLastPart(File part, UploadPartProgressListener uploadProgressListener) throws ApiException;
 
-    public Video uploadPart(File part, boolean isLastPart, UploadPartProgressListener uploadProgressListener)
+    Video uploadPart(File part, boolean isLastPart, UploadPartProgressListener uploadProgressListener)
             throws ApiException;
 
-    public Video uploadPart(File part, Integer partId, UploadPartProgressListener uploadProgressListener)
+    Video uploadPart(File part, Integer partId, UploadPartProgressListener uploadProgressListener) throws ApiException;
+
+    Video uploadLastPart(File part, Integer partId, UploadPartProgressListener uploadProgressListener)
             throws ApiException;
 
-    public Video uploadLastPart(File part, Integer partId, UploadPartProgressListener uploadProgressListener)
+    Video uploadPart(File part, Integer partId, boolean isLastPart, UploadPartProgressListener uploadProgressListener)
             throws ApiException;
 
-    public Video uploadPart(File part, Integer partId, boolean isLastPart,
+    ApiResponse<Video> uploadPartWithHttpInfo(File part, Integer partId, boolean isLastPart,
             UploadPartProgressListener uploadProgressListener) throws ApiException;
 }
\ No newline at end of file