diff --git a/src/Discord.Net.Rest/Entities/Channels/ThreadHelper.cs b/src/Discord.Net.Rest/Entities/Channels/ThreadHelper.cs
index 29be16cb..130270a0 100644
--- a/src/Discord.Net.Rest/Entities/Channels/ThreadHelper.cs
+++ b/src/Discord.Net.Rest/Entities/Channels/ThreadHelper.cs
@@ -146,12 +146,14 @@ namespace Discord.Rest
                 Preconditions.AtMost(stickers.Length, 3, nameof(stickers), "A max of 3 stickers are allowed.");
             }
 
-            if (flags is not MessageFlags.None and not MessageFlags.SuppressEmbeds)
-                throw new ArgumentException("The only valid MessageFlags are SuppressEmbeds and none.", nameof(flags));
+            if (components?.Components?.Any(x => x.Type != ComponentType.ActionRow) ?? false)
+                flags |= MessageFlags.ComponentsV2;
+            Preconditions.ValidateMessageFlags(flags);
 
             if (channel.Flags.HasFlag(ChannelFlags.RequireTag))
                 Preconditions.AtLeast(tagIds?.Length ?? 0, 1, nameof(tagIds), $"The channel {channel.Name} requires posts to have at least one tag.");
 
+
             var args = new CreatePostParams()
             {
                 Title = title,
diff --git a/src/Discord.Net.Rest/Entities/Interactions/InteractionHelper.cs b/src/Discord.Net.Rest/Entities/Interactions/InteractionHelper.cs
index ce07a294..77dd0523 100644
--- a/src/Discord.Net.Rest/Entities/Interactions/InteractionHelper.cs
+++ b/src/Discord.Net.Rest/Entities/Interactions/InteractionHelper.cs
@@ -432,6 +432,7 @@ namespace Discord.Rest
                 Components = args.Components.IsSpecified
                         ? args.Components.Value?.Components.Select(x => x.ToModel()).ToArray() ?? []
                         : Optional<IMessageComponent[]>.Unspecified,
+                Flags = args.Flags
             };
 
             return client.ApiClient.ModifyInteractionFollowupMessageAsync(apiArgs, message.Id, message.Token, options);
@@ -494,7 +495,10 @@ namespace Discord.Rest
                     Embeds = apiEmbeds?.ToArray() ?? Optional<API.Embed[]>.Unspecified,
                     AllowedMentions = args.AllowedMentions.IsSpecified ? args.AllowedMentions.Value?.ToModel() : Optional<API.AllowedMentions>.Unspecified,
                     MessageComponents = args.Components.IsSpecified
-                        ? args.Components.Value?.Components.Select(x => x.ToModel()).ToArray() ?? [] : Optional<IMessageComponent[]>.Unspecified
+                        ? args.Components.Value?.Components.Select(x => x.ToModel()).ToArray() ?? [] : Optional<IMessageComponent[]>.Unspecified,
+                    Flags = args.Flags.IsSpecified
+                        ? (args.Flags.Value ?? Optional<MessageFlags>.Unspecified)
+                        : Optional<MessageFlags>.Unspecified
                 };
 
                 return client.ApiClient.ModifyInteractionResponseAsync(apiArgs, token, options);