diff --git a/src/main/java/discord4j/discordjson/json/ChannelCreateRequest.java b/src/main/java/discord4j/discordjson/json/ChannelCreateRequest.java
index b7c7da25..bc8b3a9d 100644
--- a/src/main/java/discord4j/discordjson/json/ChannelCreateRequest.java
+++ b/src/main/java/discord4j/discordjson/json/ChannelCreateRequest.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import discord4j.discordjson.Id;
 import discord4j.discordjson.possible.Possible;
 import org.immutables.value.Value;
 
@@ -56,6 +57,9 @@ static ImmutableChannelCreateRequest.Builder builder() {
     @JsonProperty("available_tags")
     Possible<List<ForumTagParamsData>> availableTags();
 
+    @JsonProperty("applied_tags")
+    Possible<List<Id>> appliedTags();
+
     @JsonProperty("default_sort_order")
     Possible<Optional<Integer>> defaultSortOrder();
 
diff --git a/src/main/java/discord4j/discordjson/json/ChannelModifyRequest.java b/src/main/java/discord4j/discordjson/json/ChannelModifyRequest.java
index 1ff266df..267fbffb 100644
--- a/src/main/java/discord4j/discordjson/json/ChannelModifyRequest.java
+++ b/src/main/java/discord4j/discordjson/json/ChannelModifyRequest.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import discord4j.discordjson.Id;
 import discord4j.discordjson.possible.Possible;
 import org.immutables.value.Value;
 
@@ -60,6 +61,9 @@ static ImmutableChannelModifyRequest.Builder builder() {
     @JsonProperty("available_tags")
     Possible<List<ForumTagParamsData>> availableTags();
 
+    @JsonProperty("applied_tags")
+    Possible<List<Id>> appliedTags();
+
     @JsonProperty("default_sort_order")
     Possible<Optional<Integer>> defaultSortOrder();
 
diff --git a/src/main/java/discord4j/discordjson/json/ForumThreadMessageParamsData.java b/src/main/java/discord4j/discordjson/json/ForumThreadMessageParamsData.java
index 8a7a3656..57326d84 100644
--- a/src/main/java/discord4j/discordjson/json/ForumThreadMessageParamsData.java
+++ b/src/main/java/discord4j/discordjson/json/ForumThreadMessageParamsData.java
@@ -30,6 +30,8 @@ static ImmutableForumThreadMessageParamsData.Builder builder() {
     @JsonProperty("sticker_ids")
     Possible<List<Id>> stickerIds();
 
+    List<AttachmentData> attachments();
+
     Possible<Integer> flags();
 
 }
diff --git a/src/main/java/discord4j/discordjson/json/StartThreadRequest.java b/src/main/java/discord4j/discordjson/json/StartThreadFromMessageRequest.java
similarity index 71%
rename from src/main/java/discord4j/discordjson/json/StartThreadRequest.java
rename to src/main/java/discord4j/discordjson/json/StartThreadFromMessageRequest.java
index b12fc898..02ead088 100644
--- a/src/main/java/discord4j/discordjson/json/StartThreadRequest.java
+++ b/src/main/java/discord4j/discordjson/json/StartThreadFromMessageRequest.java
@@ -7,12 +7,12 @@
 import org.immutables.value.Value;
 
 @Value.Immutable
-@JsonSerialize(as = ImmutableStartThreadRequest.class)
-@JsonDeserialize(as = ImmutableStartThreadRequest.class)
-public interface StartThreadRequest {
+@JsonSerialize(as = ImmutableStartThreadFromMessageRequest.class)
+@JsonDeserialize(as = ImmutableStartThreadFromMessageRequest.class)
+public interface StartThreadFromMessageRequest {
 
-    static ImmutableStartThreadRequest.Builder builder() {
-        return ImmutableStartThreadRequest.builder();
+    static ImmutableStartThreadFromMessageRequest.Builder builder() {
+        return ImmutableStartThreadFromMessageRequest.builder();
     }
 
     /**
diff --git a/src/main/java/discord4j/discordjson/json/ThreadModifyRequest.java b/src/main/java/discord4j/discordjson/json/ThreadModifyRequest.java
index b7f6ed26..a5fa38cb 100644
--- a/src/main/java/discord4j/discordjson/json/ThreadModifyRequest.java
+++ b/src/main/java/discord4j/discordjson/json/ThreadModifyRequest.java
@@ -3,9 +3,12 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import discord4j.discordjson.Id;
 import discord4j.discordjson.possible.Possible;
 import org.immutables.value.Value;
 
+import java.util.List;
+
 @Value.Immutable
 @JsonSerialize(as = ImmutableThreadModifyRequest.class)
 @JsonDeserialize(as = ImmutableThreadModifyRequest.class)
@@ -28,4 +31,9 @@ static ImmutableThreadModifyRequest.Builder builder() {
 
     @JsonProperty("rate_limit_per_user")
     Possible<Integer> rateLimitPerUser();
+
+    Possible<Integer> flags();
+
+    @JsonProperty("applied_tags")
+    Possible<List<Id>> appliedTags();
 }
diff --git a/src/main/java/discord4j/discordjson/json/WebhookExecuteRequest.java b/src/main/java/discord4j/discordjson/json/WebhookExecuteRequest.java
index 2314f945..9e8c30c2 100644
--- a/src/main/java/discord4j/discordjson/json/WebhookExecuteRequest.java
+++ b/src/main/java/discord4j/discordjson/json/WebhookExecuteRequest.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import discord4j.discordjson.Id;
 import discord4j.discordjson.possible.Possible;
 import org.immutables.value.Value;
 
@@ -18,6 +19,10 @@ static ImmutableWebhookExecuteRequest.Builder builder() {
     }
 
     Possible<String> username();
+
     @JsonProperty("avatar_url")
     Possible<String> avatarUrl();
+
+    @JsonProperty("applied_tags")
+    Possible<List<Id>> appliedTags();
 }