diff --git a/src/api/chat.ts b/src/api/chat.ts
index 583e4eb1..5380be80 100644
--- a/src/api/chat.ts
+++ b/src/api/chat.ts
@@ -9,6 +9,7 @@ import configureAxios, {
   verifyAuthentication,
 } from './axios';
 import {
+  buildClearItemChatRoute,
   buildDeleteItemChatMessageRoute,
   buildGetItemChatRoute,
   buildGetPublicItemChatRoute,
@@ -62,3 +63,11 @@ export const deleteItemChatMessage = async (
       )
       .then(({ data }) => data),
   );
+
+export const clearItemChat = async (id: UUID, { API_HOST }: QueryClientConfig,
+) =>
+  verifyAuthentication(() =>
+    axios
+      .delete(`${API_HOST}/${buildClearItemChatRoute(id)}`)
+      .then(({ data }) => data),
+  );
diff --git a/src/api/routes.ts b/src/api/routes.ts
index 40043bf4..b29dfb52 100644
--- a/src/api/routes.ts
+++ b/src/api/routes.ts
@@ -72,6 +72,8 @@ export const buildDeleteItemChatMessageRoute = (
   chatId: UUID,
   messageId: UUID,
 ) => `${ITEMS_ROUTE}/${chatId}/chat/${messageId}`;
+export const buildClearItemChatRoute = (id: UUID) =>
+  `${ITEMS_ROUTE}/${id}/chat`;
 
 export const buildGetMemberBy = (email: string) =>
   `${MEMBERS_ROUTE}/search?email=${email.toLowerCase()}`;
@@ -296,6 +298,7 @@ export const API_ROUTES = {
   buildPostItemChatMessageRoute,
   buildPatchItemChatMessageRoute,
   buildDeleteItemChatMessageRoute,
+  buildClearItemChatRoute,
   buildRecycleItemRoute,
   buildRecycleItemsRoute,
   buildGetPublicItemsWithTag,
diff --git a/src/config/keys.ts b/src/config/keys.ts
index 0443e14d..db1b35f5 100644
--- a/src/config/keys.ts
+++ b/src/config/keys.ts
@@ -184,6 +184,7 @@ export const MUTATION_KEYS = {
   POST_ITEM_CHAT_MESSAGE: 'postChatMessage',
   PATCH_ITEM_CHAT_MESSAGE: 'patchChatMessage',
   DELETE_ITEM_CHAT_MESSAGE: 'deleteChatMessage',
+  CLEAR_ITEM_CHAT: 'clearItemChat',
   RECYCLE_ITEM: 'recycleItem',
   RECYCLE_ITEMS: 'recycleItems',
   RESTORE_ITEMS: 'restoreItems',
diff --git a/src/mutations/chat.test.ts b/src/mutations/chat.test.ts
index a77c48a0..6990c9c9 100644
--- a/src/mutations/chat.test.ts
+++ b/src/mutations/chat.test.ts
@@ -4,6 +4,7 @@ import nock from 'nock';
 import Cookies from 'js-cookie';
 import { StatusCodes } from 'http-status-codes';
 import {
+  buildClearItemChatRoute,
   buildDeleteItemChatMessageRoute,
   buildPatchItemChatMessageRoute,
   buildPostItemChatMessageRoute,
@@ -19,6 +20,7 @@ import {
 import { buildItemChatKey, MUTATION_KEYS } from '../config/keys';
 import { REQUEST_METHODS } from '../api/utils';
 import {
+  clearItemChatRoutine,
   deleteItemChatMessageRoutine,
   patchItemChatMessageRoutine,
   postItemChatMessageRoutine,
@@ -228,6 +230,65 @@ describe('Chat Mutations', () => {
         );
       });
     });
+
+    describe(MUTATION_KEYS.CLEAR_ITEM_CHAT, () => {
+      const route = `/${buildClearItemChatRoute(itemId)}`;
+      const mutation = () => useMutation(MUTATION_KEYS.CLEAR_ITEM_CHAT);
+
+      it(`Clear chat`, async () => {
+        const endpoints = [
+          { route, response: OK_RESPONSE, method: REQUEST_METHODS.DELETE },
+        ];
+        // set random data in cache
+        queryClient.setQueryData(chatKey, ITEM_CHAT);
+
+        const mockedMutation = await mockMutation({
+          endpoints,
+          mutation,
+          wrapper,
+        });
+
+        await act(async () => {
+          await mockedMutation.mutate(chatId);
+          await waitForMutation();
+        });
+
+        // verify cache keys
+        expect(queryClient.getQueryState(chatKey)?.isInvalidated).toBeTruthy();
+      });
+
+      it(`Unauthorized`, async () => {
+        const endpoints = [
+          {
+            route,
+            response: UNAUTHORIZED_RESPONSE,
+            method: REQUEST_METHODS.DELETE,
+            statusCode: StatusCodes.UNAUTHORIZED,
+          },
+        ];
+        // set random data in cache
+        queryClient.setQueryData(chatKey, ITEM_CHAT);
+
+        const mockedMutation = await mockMutation({
+          endpoints,
+          mutation,
+          wrapper,
+        });
+
+        await act(async () => {
+          await mockedMutation.mutate(chatId);
+          await waitForMutation();
+        });
+
+        // verify cache keys
+        expect(queryClient.getQueryState(chatKey)?.isInvalidated).toBeTruthy();
+        expect(mockedNotifier).toHaveBeenCalledWith(
+          expect.objectContaining({
+            type: clearItemChatRoutine.FAILURE,
+          }),
+        );
+      });
+    });
   });
 
   describe('enableWebsockets = true', () => {
@@ -265,5 +326,83 @@ describe('Chat Mutations', () => {
         expect(queryClient.getQueryState(chatKey)?.isInvalidated).toBeFalsy();
       });
     });
+
+    describe(MUTATION_KEYS.PATCH_ITEM_CHAT_MESSAGE, () => {
+      const route = `/${buildPatchItemChatMessageRoute(itemId, messageId)}`;
+      const mutation = () => useMutation(MUTATION_KEYS.PATCH_ITEM_CHAT_MESSAGE);
+      it(`Patch item chat message`, async () => {
+        const endpoints = [
+          { route, response: OK_RESPONSE, method: REQUEST_METHODS.PATCH },
+        ];
+        // set random data in cache
+        queryClient.setQueryData(chatKey, ITEM_CHAT);
+
+        const mockedMutation = await mockMutation({
+          endpoints,
+          mutation,
+          wrapper,
+        });
+
+        await act(async () => {
+          await mockedMutation.mutate({ chatId, body: 'new message content' });
+          await waitForMutation();
+        });
+
+        // verify cache keys
+        expect(queryClient.getQueryState(chatKey)?.isInvalidated).toBeFalsy();
+      });
+    });
+
+    describe(MUTATION_KEYS.DELETE_ITEM_CHAT_MESSAGE, () => {
+      const route = `/${buildDeleteItemChatMessageRoute(itemId, messageId)}`;
+      const mutation = () => useMutation(MUTATION_KEYS.DELETE_ITEM_CHAT_MESSAGE);
+      it(`Delete item chat message`, async () => {
+        const endpoints = [
+          { route, response: OK_RESPONSE, method: REQUEST_METHODS.DELETE },
+        ];
+        // set random data in cache
+        queryClient.setQueryData(chatKey, ITEM_CHAT);
+
+        const mockedMutation = await mockMutation({
+          endpoints,
+          mutation,
+          wrapper,
+        });
+
+        await act(async () => {
+          await mockedMutation.mutate({ chatId, body: 'message to remove' });
+          await waitForMutation();
+        });
+
+        // verify cache keys
+        expect(queryClient.getQueryState(chatKey)?.isInvalidated).toBeFalsy();
+      });
+    });
+
+    describe(MUTATION_KEYS.CLEAR_ITEM_CHAT, () => {
+      const route = `/${buildClearItemChatRoute(itemId)}`;
+      const mutation = () => useMutation(MUTATION_KEYS.CLEAR_ITEM_CHAT);
+      it(`Clear chat`, async () => {
+        const endpoints = [
+          { route, response: OK_RESPONSE, method: REQUEST_METHODS.DELETE },
+        ];
+        // set random data in cache
+        queryClient.setQueryData(chatKey, ITEM_CHAT);
+
+        const mockedMutation = await mockMutation({
+          endpoints,
+          mutation,
+          wrapper,
+        });
+
+        await act(async () => {
+          await mockedMutation.mutate(itemId);
+          await waitForMutation();
+        });
+
+        // verify cache keys
+        expect(queryClient.getQueryState(chatKey)?.isInvalidated).toBeFalsy();
+      });
+    });
   });
 });
diff --git a/src/mutations/chat.ts b/src/mutations/chat.ts
index f2eecb61..a4281e70 100644
--- a/src/mutations/chat.ts
+++ b/src/mutations/chat.ts
@@ -2,6 +2,7 @@ import { QueryClient } from 'react-query';
 import * as Api from '../api';
 import { buildItemChatKey, MUTATION_KEYS } from '../config/keys';
 import {
+  clearItemChatRoutine,
   deleteItemChatMessageRoutine,
   patchItemChatMessageRoutine,
   postItemChatMessageRoutine,
@@ -12,6 +13,7 @@ const {
   POST_ITEM_CHAT_MESSAGE,
   PATCH_ITEM_CHAT_MESSAGE,
   DELETE_ITEM_CHAT_MESSAGE,
+  CLEAR_ITEM_CHAT,
 } = MUTATION_KEYS;
 
 export default (queryClient: QueryClient, queryConfig: QueryClientConfig) => {
@@ -65,4 +67,21 @@ export default (queryClient: QueryClient, queryConfig: QueryClientConfig) => {
       }
     },
   });
+
+  queryClient.setMutationDefaults(CLEAR_ITEM_CHAT, {
+    mutationFn: (chatId) => Api.clearItemChat(chatId, queryConfig),
+    onError: (error) => {
+      queryConfig.notifier?.({
+        type: clearItemChatRoutine.FAILURE,
+        payload: { error },
+      });
+    },
+    onSettled: (_data, _error, chatId) => {
+      // invalidate keys only if websockets are disabled
+      // otherwise the cache is updated automatically
+      if (!queryConfig.enableWebsocket) {
+        queryClient.invalidateQueries(buildItemChatKey(chatId));
+      }
+    },
+  });
 };
diff --git a/src/routines/chat.ts b/src/routines/chat.ts
index cb724cd8..ba22c447 100644
--- a/src/routines/chat.ts
+++ b/src/routines/chat.ts
@@ -12,3 +12,7 @@ export const patchItemChatMessageRoutine = createRoutine(
 export const deleteItemChatMessageRoutine = createRoutine(
   'DELETE_ITEM_CHAT_MESSAGE',
 );
+
+export const clearItemChatRoutine = createRoutine(
+  'CLEAR_ITEM_CHAT',
+);
diff --git a/src/ws/constants.ts b/src/ws/constants.ts
index bb2146ea..e093df64 100644
--- a/src/ws/constants.ts
+++ b/src/ws/constants.ts
@@ -38,6 +38,7 @@ export const OPS = {
   PUBLISH: 'publish',
   UPDATE: 'update',
   DELETE: 'delete',
+  CLEAR: 'clear',
   CREATE: 'create',
 };
 
diff --git a/src/ws/hooks/chat.ts b/src/ws/hooks/chat.ts
index 32a99700..50df3b92 100644
--- a/src/ws/hooks/chat.ts
+++ b/src/ws/hooks/chat.ts
@@ -67,6 +67,11 @@ export const configureWsChatHooks = (
                 queryClient.setQueryData(chatKey, mutation);
                 break;
               }
+              case OPS.CLEAR: {
+                const mutation = current.update('messages', () => []);
+                queryClient.setQueryData(chatKey, mutation);
+                break;
+              }
               default:
                 break;
             }