diff --git a/routes/index.js b/routes/index.js
index d55ec56..5d9a1d5 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -1,4 +1,5 @@
 import { Router } from 'express';
+import Chatkit from '@pusher/chatkit-server';
 
 import authRoutes from './auth';
 import eventRoutes from './event';
@@ -7,10 +8,23 @@ import userRoutes from './user';
 
 const router = Router();
 
+const chatkit = new Chatkit({
+  instanceLocator: process.env.PUSHER_INSTANCE_LOCATOR,
+  key: process.env.PUSHER_KEY,
+});
+
 router.get('/', (req, res) => res.status(200).json('Welcome'));
 router.use('/auth', authRoutes);
 router.use('/events', eventRoutes);
 router.use('/sessions/', sessionRoutes);
 router.use('/users', userRoutes);
 
+// token authentication for pusher
+router.post('/authenticate', (req, res) => {
+  const authData = chatkit.authenticate({
+    userId: req.query.user_id,
+  });
+  res.status(authData.status).send(authData.body);
+});
+
 export default router;