diff --git a/index.js b/index.js
index 71f61ba..336f12c 100644
--- a/index.js
+++ b/index.js
@@ -18,6 +18,7 @@ app.get('/connect', (req, res) => {
     users.push({
         socket: req.socket,
         date: new Date(),
+        chats: [],
         name: "",
         id
     });
@@ -40,14 +41,37 @@ app.post('/disconnect', (req, res) => {
 
 app.post('/nickname', (req, res) => {
     const { id, name } = req.body;
+
+    let success = true;
     for (const u of users)
-        if (u.id === id) {
-            if (logging)
-                console.log(`(Re-)named user with ID '${id}'!`);
-            u.name = name;
+        if (u.name === name) {
+            success = false;
             break;
         }
-    res.status(200).send();
+
+    if (success) {
+        for (const u of users)
+            if (u.id === id) {
+                if (logging)
+                    console.log(`(Re-)named user with ID '${id}'!`);
+                u.name = name;
+                break;
+            }
+    }
+
+    res.status(200).json({ success });
+});
+
+app.post('/chatInit', (req, res) => {
+   const { id, name } = req.body;
+   for (const u of users)
+       if (u.id === id) {
+            u.chats.push({
+                messages: [],
+                name
+            });
+            break;
+       }
 });
 
 app.post('/message', (req, res) => {
@@ -58,15 +82,17 @@ app.post('/message', (req, res) => {
             name = u.name;
             break;
         }
+
     let user = `User '${name}'`;
     if (!name)
         user = name = "Anonymous"
-
     if (logging) {
         const idStr = (!name) ? ` ID: ${id}.` : '';
         console.log(`${user} sent message '${message}'.${idStr}`);
     }
-    res.status(200).json({ message });
+
+
+    res.status(200).send();
 });
 
 server.on('error', err => {