diff --git a/lib/actions/message-actions.js b/lib/actions/message-actions.js
--- a/lib/actions/message-actions.js
+++ b/lib/actions/message-actions.js
@@ -11,6 +11,8 @@
   SendEditMessageRequest,
   FetchPinnedMessagesRequest,
   FetchPinnedMessagesResult,
+  SearchMessagesRequest,
+  SearchMessagesResult,
 } from '../types/message-types.js';
 import type { MediaMessageServerDBContent } from '../types/messages/media.js';
 import type {
@@ -282,6 +284,23 @@
     return { pinnedMessages: response.pinnedMessages };
   };
 
+const searchMessagesActionTypes = Object.freeze({
+  started: 'SEARCH_MESSAGES_STARTED',
+  success: 'SEARCH_MESSAGES_SUCCESS',
+  failed: 'SEARCH_MESSAGES_FAILED',
+});
+
+const searchMessages =
+  (
+    callServerEndpoint: CallServerEndpoint,
+  ): ((request: SearchMessagesRequest) => Promise<SearchMessagesResult>) =>
+  async request => {
+    const response = await callServerEndpoint('search_messages', request);
+    return {
+      messages: response.messages,
+    };
+  };
+
 export {
   fetchMessagesBeforeCursorActionTypes,
   fetchMessagesBeforeCursor,
@@ -295,6 +314,8 @@
   sendMultimediaMessageActionTypes,
   sendMultimediaMessage,
   legacySendMultimediaMessage,
+  searchMessagesActionTypes,
+  searchMessages,
   sendReactionMessageActionTypes,
   sendReactionMessage,
   saveMessagesActionType,
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
@@ -50,6 +50,7 @@
   SimpleMessagesPayload,
   ClientDBThreadMessageInfo,
   FetchPinnedMessagesResult,
+  SearchMessagesResult,
 } from './message-types.js';
 import type { RawReactionMessageInfo } from './messages/reaction.js';
 import type { RawTextMessageInfo } from './messages/text.js';
@@ -988,6 +989,22 @@
       +error: true,
       +payload: Error,
       +loadingInfo: LoadingInfo,
+    }
+  | {
+      +type: 'SEARCH_MESSAGES_STARTED',
+      +payload: void,
+      +loadingInfo?: LoadingInfo,
+    }
+  | {
+      +type: 'SEARCH_MESSAGES_SUCCESS',
+      +payload: SearchMessagesResult,
+      +loadingInfo: LoadingInfo,
+    }
+  | {
+      +type: 'SEARCH_MESSAGES_FAILED',
+      +error: true,
+      +payload: Error,
+      +loadingInfo: LoadingInfo,
     };
 
 export type ActionPayload = ?(Object | Array<*> | $ReadOnlyArray<*> | string);