diff --git a/app/livechat/server/api/v1/message.js b/app/livechat/server/api/v1/message.js
index 68a83706fc18..df8ac26a07f7 100644
--- a/app/livechat/server/api/v1/message.js
+++ b/app/livechat/server/api/v1/message.js
@@ -9,6 +9,7 @@ import { loadMessageHistory } from '../../../../lib';
 import { findGuest, findRoom, normalizeHttpHeaderData } from '../lib/livechat';
 import { Livechat } from '../../lib/Livechat';
 import { normalizeMessageFileUpload } from '../../../../utils/server/functions/normalizeMessageFileUpload';
+import { settings } from '../../../../settings/server';
 
 API.v1.addRoute('livechat/message', {
 	post() {
@@ -40,6 +41,10 @@ API.v1.addRoute('livechat/message', {
 				throw new Meteor.Error('room-closed');
 			}
 
+			if (settings.get('Livechat_enable_message_character_limit') && msg.length > parseInt(settings.get('Livechat_message_character_limit'))) {
+				throw new Meteor.Error('message-length-exceeds-character-limit');
+			}
+
 			const _id = this.bodyParams._id || Random.id();
 
 			const sendMessage = {