diff --git a/src/Clients/MessageClient.cs b/src/Clients/MessageClient.cs
index 809a44a..f593c95 100644
--- a/src/Clients/MessageClient.cs
+++ b/src/Clients/MessageClient.cs
@@ -264,7 +264,7 @@ public async Task<QueryRemindersResponse> QueryRemindersAsync(string userId, Dic
 
             if (filterConditions != null)
             {
-                data["filter_conditions"] = filterConditions;
+                data["filter"] = filterConditions;
             }
 
             if (sort != null)
diff --git a/src/Models/ChannelType.cs b/src/Models/ChannelType.cs
index 47eada6..6cec5a5 100644
--- a/src/Models/ChannelType.cs
+++ b/src/Models/ChannelType.cs
@@ -45,6 +45,7 @@ public abstract class ChannelTypeRequestBase
         public bool? Reactions { get; set; }
         public bool? Replies { get; set; }
         public bool? Reminders { get; set; }
+        public bool? UserMessageReminders { get; set; }
         public bool? Uploads { get; set; }
         public bool? MarkMessagesPending { get; set; }
         public bool? Mutes { get; set; }
@@ -92,6 +93,7 @@ public abstract class ChannelTypeResponseBase : ApiResponse
         public bool? Search { get; set; }
         public bool? Reactions { get; set; }
         public bool? Replies { get; set; }
+        public bool? UserMessageReminders { get; set; }
         public bool? Uploads { get; set; }
         public bool? Mutes { get; set; }
         public string MessageRetention { get; set; }
diff --git a/tests/ChannelTypeClientTests.cs b/tests/ChannelTypeClientTests.cs
index 5cd6960..600a5e2 100644
--- a/tests/ChannelTypeClientTests.cs
+++ b/tests/ChannelTypeClientTests.cs
@@ -89,5 +89,90 @@ await WaitForAsync(async () =>
                 }
             });
         }
+
+        [Test]
+        public async Task TestUserMessageRemindersFieldOnChannelTypeAsync()
+        {
+            var channelTypeName = Guid.NewGuid().ToString();
+            ChannelTypeWithStringCommandsResponse createdChannelType = null;
+
+            try
+            {
+                // Create a basic channel type (without user_message_reminders enabled)
+                // We're testing that the field exists in the model, not that it can be enabled
+                // (enabling requires Push V3 which may not be configured in test environment)
+                createdChannelType = await _channelTypeClient.CreateChannelTypeAsync(
+                    new ChannelTypeWithStringCommandsRequest
+                    {
+                        Name = channelTypeName,
+                    });
+
+                // Retrieve the channel type
+                await WaitForAsync(async () =>
+                {
+                    try
+                    {
+                        var retrieved = await _channelTypeClient.GetChannelTypeAsync(channelTypeName);
+                        return retrieved.Name == channelTypeName;
+                    }
+                    catch
+                    {
+                        return false;
+                    }
+                });
+
+                // Test that the field can be set to false (should work without Push V3)
+                var updated = await _channelTypeClient.UpdateChannelTypeAsync(channelTypeName,
+                    new ChannelTypeWithStringCommandsRequest
+                    {
+                        UserMessageReminders = false,
+                    });
+
+                // Verify the field is accessible in the response (even if false)
+                updated.UserMessageReminders.Should().NotBeNull();
+
+                // Verify the update persisted and field is accessible
+                await WaitForAsync(async () =>
+                {
+                    try
+                    {
+                        var retrieved = await _channelTypeClient.GetChannelTypeAsync(channelTypeName);
+
+                        // The field should be present in the response
+                        return retrieved.UserMessageReminders != null;
+                    }
+                    catch
+                    {
+                        return false;
+                    }
+                });
+            }
+            finally
+            {
+                // Cleanup
+                if (createdChannelType != null)
+                {
+                    try
+                    {
+                        await WaitForAsync(async () =>
+                        {
+                            try
+                            {
+                                await _channelTypeClient.DeleteChannelTypeAsync(channelTypeName);
+                                return true;
+                            }
+                            catch
+                            {
+                                return false;
+                            }
+                        });
+                    }
+                    catch (TimeoutException)
+                    {
+                        // Ignore cleanup failures
+                    }
+                }
+            }
+        }
     }
 }
\ No newline at end of file