diff --git a/keyserver/src/responders/thread-responders.js b/keyserver/src/responders/thread-responders.js
--- a/keyserver/src/responders/thread-responders.js
+++ b/keyserver/src/responders/thread-responders.js
@@ -18,6 +18,7 @@
   type ThreadFetchMediaResult,
   type ThreadFetchMediaRequest,
   type ToggleMessagePinRequest,
+  type ToggleMessagePinResult,
   threadTypes,
 } from 'lib/types/thread-types.js';
 import { updateUserAvatarRequestValidator } from 'lib/utils/avatar-utils.js';
@@ -204,10 +205,10 @@
 async function toggleMessagePinResponder(
   viewer: Viewer,
   input: any,
-): Promise<void> {
+): Promise<ToggleMessagePinResult> {
   const request: ToggleMessagePinRequest = input;
   await validateInput(viewer, toggleMessagePinRequestInputValidator, request);
-  await toggleMessagePinForThread(viewer, request);
+  return await toggleMessagePinForThread(viewer, request);
 }
 
 export {
diff --git a/keyserver/src/updaters/thread-updaters.js b/keyserver/src/updaters/thread-updaters.js
--- a/keyserver/src/updaters/thread-updaters.js
+++ b/keyserver/src/updaters/thread-updaters.js
@@ -25,6 +25,7 @@
   type ServerThreadJoinRequest,
   type ThreadJoinResult,
   type ToggleMessagePinRequest,
+  type ToggleMessagePinResult,
   threadPermissions,
   threadTypes,
 } from 'lib/types/thread-types.js';
@@ -862,7 +863,7 @@
 async function toggleMessagePinForThread(
   viewer: Viewer,
   request: ToggleMessagePinRequest,
-): Promise<void> {
+): Promise<ToggleMessagePinResult> {
   const { messageID, action } = request;
 
   const targetMessage = await fetchMessageInfoByID(viewer, messageID);
@@ -918,9 +919,10 @@
     fetchServerThreadInfos(SQL`t.id = ${threadID}`),
     dbQuery(togglePinQuery),
     dbQuery(updateThreadQuery),
-    createMessages(viewer, [messageData]),
   ]);
 
+  const newMessageInfos = await createMessages(viewer, [messageData]);
+
   const time = Date.now();
   const updates = [];
   for (const member of serverThreadInfos[threadID].members) {
@@ -932,6 +934,11 @@
     });
   }
   await createUpdates(updates);
+
+  return {
+    newMessageInfos,
+    threadID,
+  };
 }
 
 export {
diff --git a/lib/actions/thread-actions.js b/lib/actions/thread-actions.js
--- a/lib/actions/thread-actions.js
+++ b/lib/actions/thread-actions.js
@@ -13,6 +13,7 @@
   ThreadFetchMediaRequest,
   ThreadFetchMediaResult,
   ToggleMessagePinRequest,
+  ToggleMessagePinResult,
 } from '../types/thread-types.js';
 import type { CallServerEndpoint } from '../utils/call-server-endpoint.js';
 import { values } from '../utils/objects.js';
@@ -175,12 +176,21 @@
     return response;
   };
 
+const toggleMessagePinActionTypes = Object.freeze({
+  started: 'TOGGLE_MESSAGE_PIN_STARTED',
+  success: 'TOGGLE_MESSAGE_PIN_SUCCESS',
+  failed: 'TOGGLE_MESSAGE_PIN_FAILED',
+});
 const toggleMessagePin =
   (
     callServerEndpoint: CallServerEndpoint,
-  ): ((request: ToggleMessagePinRequest) => Promise<void>) =>
+  ): ((request: ToggleMessagePinRequest) => Promise<ToggleMessagePinResult>) =>
   async request => {
-    await callServerEndpoint('toggle_message_pin', request);
+    const response = await callServerEndpoint('toggle_message_pin', request);
+    return {
+      newMessageInfos: response.newMessageInfos,
+      threadID: response.threadID,
+    };
   };
 
 export {
@@ -199,5 +209,6 @@
   leaveThreadActionTypes,
   leaveThread,
   fetchThreadMedia,
+  toggleMessagePinActionTypes,
   toggleMessagePin,
 };
diff --git a/lib/reducers/message-reducer.js b/lib/reducers/message-reducer.js
--- a/lib/reducers/message-reducer.js
+++ b/lib/reducers/message-reducer.js
@@ -44,6 +44,7 @@
   removeUsersFromThreadActionTypes,
   changeThreadMemberRolesActionTypes,
   joinThreadActionTypes,
+  toggleMessagePinActionTypes,
 } from '../actions/thread-actions.js';
 import { updateMultimediaMessageMediaActionType } from '../actions/upload-actions.js';
 import {
@@ -850,7 +851,8 @@
     action.type === changeThreadMemberRolesActionTypes.success ||
     action.type === createEntryActionTypes.success ||
     action.type === saveEntryActionTypes.success ||
-    action.type === restoreEntryActionTypes.success
+    action.type === restoreEntryActionTypes.success ||
+    action.type === toggleMessagePinActionTypes.success
   ) {
     return mergeNewMessages(
       messageStore,
diff --git a/lib/types/redux-types.js b/lib/types/redux-types.js
--- a/lib/types/redux-types.js
+++ b/lib/types/redux-types.js
@@ -82,6 +82,7 @@
   LeaveThreadPayload,
   NewThreadResult,
   ThreadJoinPayload,
+  ToggleMessagePinResult,
 } from './thread-types.js';
 import type { ClientUpdatesResultWithUserInfos } from './update-types.js';
 import type { CurrentUserInfo, UserStore } from './user-types.js';
@@ -952,6 +953,22 @@
       +error: true,
       +payload: Error,
       +loadingInfo: LoadingInfo,
+    }
+  | {
+      +type: 'TOGGLE_MESSAGE_PIN_STARTED',
+      +loadingInfo?: LoadingInfo,
+      +payload?: void,
+    }
+  | {
+      +type: 'TOGGLE_MESSAGE_PIN_SUCCESS',
+      +payload: ToggleMessagePinResult,
+      +loadingInfo: LoadingInfo,
+    }
+  | {
+      +type: 'TOGGLE_MESSAGE_PIN_FAILED',
+      +error: true,
+      +payload: Error,
+      +loadingInfo: LoadingInfo,
     };
 
 export type ActionPayload = ?(Object | Array<*> | $ReadOnlyArray<*> | string);
diff --git a/lib/types/thread-types.js b/lib/types/thread-types.js
--- a/lib/types/thread-types.js
+++ b/lib/types/thread-types.js
@@ -498,6 +498,11 @@
   +action: 'pin' | 'unpin',
 };
 
+export type ToggleMessagePinResult = {
+  +newMessageInfos: $ReadOnlyArray<RawMessageInfo>,
+  +threadID: string,
+};
+
 // We can show a max of 3 sidebars inline underneath their parent in the chat
 // tab. If there are more, we show a button that opens a modal to see the rest
 export const maxReadSidebars = 3;