diff --git a/SlackAPI/RPCMessages/ChannelListResponse.cs b/SlackAPI/RPCMessages/ChannelListResponse.cs
index 22280c1..817f802 100644
--- a/SlackAPI/RPCMessages/ChannelListResponse.cs
+++ b/SlackAPI/RPCMessages/ChannelListResponse.cs
@@ -2,6 +2,7 @@
 
 namespace SlackAPI
 {
+    [Obsolete]
     [RequestPath("channels.list")]
     public class ChannelListResponse : Response
     {
diff --git a/SlackAPI/RPCMessages/DirectMessageConversationListResponse.cs b/SlackAPI/RPCMessages/DirectMessageConversationListResponse.cs
index 59746ad..d2d9266 100644
--- a/SlackAPI/RPCMessages/DirectMessageConversationListResponse.cs
+++ b/SlackAPI/RPCMessages/DirectMessageConversationListResponse.cs
@@ -1,11 +1,8 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace SlackAPI
 {
+    [Obsolete]
     [RequestPath("im.list")]
     public class DirectMessageConversationListResponse : Response
     {
diff --git a/SlackAPI/SlackClient.cs b/SlackAPI/SlackClient.cs
index a0762e9..4910554 100644
--- a/SlackAPI/SlackClient.cs
+++ b/SlackAPI/SlackClient.cs
@@ -156,6 +156,7 @@ public void GetConversationsList(Action<ConversationsListResponse> callback, str
             APIRequestWithToken(callback, parameters.ToArray());
         }
 
+        [Obsolete("Use GetConversationsListAsync instead")]
         public void GetChannelList(Action<ChannelListResponse> callback, bool ExcludeArchived = true)
         {
             APIRequestWithToken(callback, new Tuple<string, string>("exclude_archived", ExcludeArchived ? "1" : "0"));
@@ -166,6 +167,7 @@ public void GetGroupsList(Action<GroupListResponse> callback, bool ExcludeArchiv
             APIRequestWithToken(callback, new Tuple<string, string>("exclude_archived", ExcludeArchived ? "1" : "0"));
         }
 
+        [Obsolete("Use JoinDirectMessageChannelAsync instead")]
         public void GetDirectMessageList(Action<DirectMessageConversationListResponse> callback)
         {
             APIRequestWithToken(callback);
diff --git a/SlackAPI/SlackTaskClient.cs b/SlackAPI/SlackTaskClient.cs
index 11962df..7fa0383 100644
--- a/SlackAPI/SlackTaskClient.cs
+++ b/SlackAPI/SlackTaskClient.cs
@@ -123,7 +123,7 @@ public Task<ChannelInviteResponse> ChannelsInviteAsync(string userId, string cha
             return APIRequestWithTokenAsync<ChannelInviteResponse>(parameters.ToArray());
         }
 
-        public Task<ConversationsListResponse> GetConversationsListAsync(string cursor = "", bool ExcludeArchived = true, int limit = 100, string[] types = null)
+        public Task<ConversationsListResponse> GetConversationsListAsync(string cursor = "", bool ExcludeArchived = true, int limit = 1000, string[] types = null)
         {
 	        List<Tuple<string, string>> parameters = new List<Tuple<string, string>>()
 	        {
@@ -608,7 +608,7 @@ public Task<UpdateResponse> UpdateAsync(string ts,
 
         public Task<JoinDirectMessageChannelResponse> JoinDirectMessageChannelAsync(string user)
         {
-            var param = new Tuple<string, string>("user", user);
+            var param = new Tuple<string, string>("users", user);
             return APIRequestWithTokenAsync<JoinDirectMessageChannelResponse>(param);
         }