diff --git a/src/twitchclient/api.py b/src/twitchclient/api.py
index 941e7f8..54830df 100644
--- a/src/twitchclient/api.py
+++ b/src/twitchclient/api.py
@@ -975,3 +975,83 @@ class TwitchAPIClient(AioHTTPXClient):
 
             case _:
                 raise s.Error(req.status_code, 'Internal Server Error')
+
+    async def update_chat_settings(
+        self,
+        access_token: str,
+        broadcaster_id: int | str,
+        moderator_id: int | str,
+        *,
+        emote_mode: bool | None = None,
+        follower_mode: bool | None = None,
+        follower_mode_duration: int | None = None,
+        non_moderator_chat_delay: bool | None = None,
+        non_moderator_chat_delay_duration: Literal[2, 4, 6] | None = None,
+        slow_mode: bool | None = None,
+        slow_mode_wait_time: int | None = None,
+        subscriber_mode: bool | None = None,
+        unique_chat_mode: bool | None = None,
+    ):
+        req = await self.put(
+            '/chat/settings',
+            headers={'Authorization': f'Bearer {access_token}'},
+            params={
+                'broadcaster_id': broadcaster_id,
+                'moderator_id': moderator_id,
+            },
+            json=self.clean_dict(
+                {
+                    'emote_mode': emote_mode,
+                    'follower_mode': follower_mode,
+                    'follower_mode_duration': follower_mode_duration,
+                    'non_moderator_chat_delay': non_moderator_chat_delay,
+                    'non_moderator_chat_delay_duration': (
+                        non_moderator_chat_delay_duration
+                    ),
+                    'slow_mode': slow_mode,
+                    'slow_mode_wait_time': slow_mode_wait_time,
+                    'subscriber_mode': subscriber_mode,
+                    'unique_chat_mode': unique_chat_mode,
+                }
+            ),
+        )
+
+        match req.status_code:
+            case st.OK:
+                return s.ChatSettings.model_validate(req.json()).data
+
+            case st.BAD_REQUEST | st.UNAUTHORIZED:
+                raise s.Error(req.status_code, req.json()['message'])
+
+            case _:
+                raise s.Error(req.status_code, 'Internal Server Error')
+
+    async def send_chat_announcement(
+        self,
+        access_token: str,
+        broadcaster_id: int | str,
+        moderator_id: int | str,
+        message: str,
+        color: Literal[
+            'blue', 'green', 'orange', 'purple', 'primary'
+        ] = 'primary',
+    ):
+        req = await self.post(
+            '/chat/announcements',
+            headers={'Authorization': f'Bearer {access_token}'},
+            params={
+                'broadcaster_id': broadcaster_id,
+                'moderator_id': moderator_id,
+            },
+            json=self.clean_dict({'message': message, 'color': color}),
+        )
+
+        match req.status_code:
+            case st.NO_CONTENT:
+                return True
+
+            case st.BAD_REQUEST | st.UNAUTHORIZED | st.TOO_MANY_REQUESTS:
+                raise s.Error(req.status_code, req.json()['message'])
+
+            case _:
+                raise s.Error(req.status_code, 'Internal Server Error')