diff --git a/flutter/lib/api/api_client.dart b/flutter/lib/api/api_client.dart
index 18fe726..7d4d8d8 100644
--- a/flutter/lib/api/api_client.dart
+++ b/flutter/lib/api/api_client.dart
@@ -127,6 +127,16 @@ class APIClient {
     );
   }
 
+  static Future<UserPreview> getUserPreview(TokenSource auth, String uid) async {
+    return await _request(
+      name: 'getUserPreview',
+      method: 'GET',
+      relURL: 'preview/users/$uid',
+      fn: UserPreview.fromJson,
+      authToken: auth.getToken(),
+    );
+  }
+
   static Future<Client> addClient(TokenSource auth, String fcmToken, String agentModel, String agentVersion, String? name, String clientType) async {
     return await _request(
       name: 'addClient',
@@ -191,6 +201,16 @@ class APIClient {
     );
   }
 
+  static Future<ChannelPreview> getChannelPreview(TokenSource auth, String cid) async {
+    return await _request(
+      name: 'getChannelPreview',
+      method: 'GET',
+      relURL: 'preview/channels/${cid}',
+      fn: ChannelPreview.fromJson,
+      authToken: auth.getToken(),
+    );
+  }
+
   static Future<(String, List<Message>)> getMessageList(TokenSource auth, String pageToken, {int? pageSize, List<String>? channelIDs}) async {
     return await _request(
       name: 'getMessageList',
@@ -275,6 +295,16 @@ class APIClient {
     );
   }
 
+  static Future<KeyTokenPreview> getKeyTokenPreview(TokenSource auth, String kid) async {
+    return await _request(
+      name: 'getKeyTokenPreview',
+      method: 'GET',
+      relURL: 'preview/keys/$kid',
+      fn: KeyTokenPreview.fromJson,
+      authToken: auth.getToken(),
+    );
+  }
+
   static Future<KeyToken> getKeyTokenByToken(String userid, String token) async {
     return await _request(
       name: 'getCurrentKeyToken',
diff --git a/flutter/lib/models/channel.dart b/flutter/lib/models/channel.dart
index 51b40c1..6ea330e 100644
--- a/flutter/lib/models/channel.dart
+++ b/flutter/lib/models/channel.dart
@@ -58,3 +58,29 @@ class ChannelWithSubscription {
     return jsonArr.map<ChannelWithSubscription>((e) => ChannelWithSubscription.fromJson(e as Map<String, dynamic>)).toList();
   }
 }
+
+class ChannelPreview {
+  final String channelID;
+  final String ownerUserID;
+  final String internalName;
+  final String displayName;
+  final String? descriptionName;
+
+  const ChannelPreview({
+    required this.channelID,
+    required this.ownerUserID,
+    required this.internalName,
+    required this.displayName,
+    required this.descriptionName,
+  });
+
+  factory ChannelPreview.fromJson(Map<String, dynamic> json) {
+    return ChannelPreview(
+      channelID: json['channel_id'] as String,
+      ownerUserID: json['owner_user_id'] as String,
+      internalName: json['internal_name'] as String,
+      displayName: json['display_name'] as String,
+      descriptionName: json['description_name'] as String?,
+    );
+  }
+}
diff --git a/flutter/lib/models/keytoken.dart b/flutter/lib/models/keytoken.dart
index c8f70a2..a2d84d5 100644
--- a/flutter/lib/models/keytoken.dart
+++ b/flutter/lib/models/keytoken.dart
@@ -39,3 +39,32 @@ class KeyToken {
     return jsonArr.map<KeyToken>((e) => KeyToken.fromJson(e as Map<String, dynamic>)).toList();
   }
 }
+
+class KeyTokenPreview {
+  final String keytokenID;
+  final String name;
+  final String ownerUserID;
+  final bool allChannels;
+  final List<String> channels;
+  final String permissions;
+
+  const KeyTokenPreview({
+    required this.keytokenID,
+    required this.name,
+    required this.ownerUserID,
+    required this.allChannels,
+    required this.channels,
+    required this.permissions,
+  });
+
+  factory KeyTokenPreview.fromJson(Map<String, dynamic> json) {
+    return KeyTokenPreview(
+      keytokenID: json['keytoken_id'] as String,
+      name: json['name'] as String,
+      ownerUserID: json['owner_user_id'] as String,
+      allChannels: json['all_channels'] as bool,
+      channels: (json['channels'] as List<dynamic>).map((e) => e as String).toList(),
+      permissions: json['permissions'] as String,
+    );
+  }
+}
diff --git a/flutter/lib/models/user.dart b/flutter/lib/models/user.dart
index 4a9b140..58bd769 100644
--- a/flutter/lib/models/user.dart
+++ b/flutter/lib/models/user.dart
@@ -90,3 +90,20 @@ class UserWithClientsAndKeys {
     );
   }
 }
+
+class UserPreview {
+  final String userID;
+  final String? username;
+
+  const UserPreview({
+    required this.userID,
+    required this.username,
+  });
+
+  factory UserPreview.fromJson(Map<String, dynamic> json) {
+    return UserPreview(
+      userID: json['user_id'] as String,
+      username: json['username'] as String?,
+    );
+  }
+}
diff --git a/flutter/lib/pages/message_view/message_view.dart b/flutter/lib/pages/message_view/message_view.dart
index 3d5c9cb..5bba5ad 100644
--- a/flutter/lib/pages/message_view/message_view.dart
+++ b/flutter/lib/pages/message_view/message_view.dart
@@ -5,12 +5,11 @@ import 'package:intl/intl.dart';
 import 'package:provider/provider.dart';
 import 'package:share_plus/share_plus.dart';
 import 'package:simplecloudnotifier/api/api_client.dart';
-import 'package:simplecloudnotifier/api/api_exception.dart';
 import 'package:simplecloudnotifier/components/layout/scaffold.dart';
-import 'package:simplecloudnotifier/models/api_error.dart';
 import 'package:simplecloudnotifier/models/channel.dart';
 import 'package:simplecloudnotifier/models/keytoken.dart';
 import 'package:simplecloudnotifier/models/message.dart';
+import 'package:simplecloudnotifier/models/user.dart';
 import 'package:simplecloudnotifier/state/app_auth.dart';
 import 'package:simplecloudnotifier/utils/toaster.dart';
 import 'package:simplecloudnotifier/utils/ui.dart';
@@ -25,8 +24,8 @@ class MessageViewPage extends StatefulWidget {
 }
 
 class _MessageViewPageState extends State<MessageViewPage> {
-  late Future<(Message, ChannelWithSubscription?, KeyToken?)>? mainFuture;
-  (Message, ChannelWithSubscription?, KeyToken?)? mainFutureSnapshot = null;
+  late Future<(Message, ChannelPreview, KeyTokenPreview, UserPreview)>? mainFuture;
+  (Message, ChannelPreview, KeyTokenPreview, UserPreview)? mainFutureSnapshot = null;
   static final _dateFormat = DateFormat('yyyy-MM-dd kk:mm');
 
   bool _monospaceMode = false;
@@ -37,38 +36,24 @@ class _MessageViewPageState extends State<MessageViewPage> {
     mainFuture = fetchData();
   }
 
-  Future<(Message, ChannelWithSubscription?, KeyToken?)> fetchData() async {
+  Future<(Message, ChannelPreview, KeyTokenPreview, UserPreview)> fetchData() async {
     final acc = Provider.of<AppAuth>(context, listen: false);
 
     final msg = await APIClient.getMessage(acc, widget.message.messageID);
 
-    ChannelWithSubscription? chn = null;
-    try {
-      chn = await APIClient.getChannel(acc, msg.channelID); //TODO getShortChannel (?) -> no perm
-    } on APIException catch (e) {
-      if (e.error == APIError.USER_AUTH_FAILED) {
-        chn = null;
-      } else {
-        rethrow;
-      }
-    }
+    final fut_chn = APIClient.getChannelPreview(acc, msg.channelID);
+    final fut_key = APIClient.getKeyTokenPreview(acc, msg.usedKeyID);
+    final fut_usr = APIClient.getUserPreview(acc, msg.senderUserID);
 
-    KeyToken? tok = null;
-    try {
-      tok = await APIClient.getKeyToken(acc, msg.usedKeyID); //TODO getShortKeyToken (?) -> no perm
-    } on APIException catch (e) {
-      if (e.error == APIError.USER_AUTH_FAILED) {
-        tok = null;
-      } else {
-        rethrow;
-      }
-    }
+    final chn = await fut_chn;
+    final key = await fut_key;
+    final usr = await fut_usr;
 
     //TODO getShortUser for sender
 
     //await Future.delayed(const Duration(seconds: 2), () {});
 
-    final r = (msg, chn, tok);
+    final r = (msg, chn, key, usr);
 
     mainFutureSnapshot = r;
 
@@ -87,16 +72,16 @@ class _MessageViewPageState extends State<MessageViewPage> {
       showSearch: false,
       showShare: true,
       onShare: _share,
-      child: FutureBuilder<(Message, ChannelWithSubscription?, KeyToken?)>(
+      child: FutureBuilder<(Message, ChannelPreview, KeyTokenPreview, UserPreview)>(
         future: mainFuture,
         builder: (context, snapshot) {
           if (snapshot.hasData) {
-            final (msg, chn, tok) = snapshot.data!;
-            return _buildMessageView(context, msg, chn, tok, false);
+            final (msg, chn, tok, usr) = snapshot.data!;
+            return _buildMessageView(context, msg, chn, tok, usr, false);
           } else if (snapshot.hasError) {
             return Center(child: Text('${snapshot.error}')); //TODO nice error page
           } else if (!widget.message.trimmed) {
-            return _buildMessageView(context, widget.message, null, null, true);
+            return _buildMessageView(context, widget.message, null, null, null, true);
           } else {
             return const Center(child: CircularProgressIndicator());
           }
@@ -108,7 +93,7 @@ class _MessageViewPageState extends State<MessageViewPage> {
   void _share() async {
     var msg = widget.message;
     if (mainFutureSnapshot != null) {
-      (msg, _, _) = mainFutureSnapshot!;
+      (msg, _, _, _) = mainFutureSnapshot!;
     }
 
     if (msg.content != null) {
@@ -126,7 +111,7 @@ class _MessageViewPageState extends State<MessageViewPage> {
     }
   }
 
-  Widget _buildMessageView(BuildContext context, Message message, ChannelWithSubscription? channel, KeyToken? token, bool loading) {
+  Widget _buildMessageView(BuildContext context, Message message, ChannelPreview? channel, KeyTokenPreview? token, UserPreview? user, bool loading) {
     final userAccUserID = context.select<AppAuth, String?>((v) => v.userID);
 
     return SingleChildScrollView(
@@ -135,16 +120,16 @@ class _MessageViewPageState extends State<MessageViewPage> {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
           children: [
-            ..._buildMessageHeader(context, message, channel, token, loading),
+            ..._buildMessageHeader(context, message, channel, loading),
             SizedBox(height: 8),
-            if (message.content != null) ..._buildMessageContent(context, message, channel, token),
+            if (message.content != null) ..._buildMessageContent(context, message),
             SizedBox(height: 8),
             if (message.senderName != null) _buildMetaCard(context, FontAwesomeIcons.solidSignature, 'Sender', [message.senderName!], () => {/*TODO*/}),
             _buildMetaCard(context, FontAwesomeIcons.solidGearCode, 'KeyToken', [message.usedKeyID, if (token != null) token.name], () => {/*TODO*/}),
             _buildMetaCard(context, FontAwesomeIcons.solidIdCardClip, 'MessageID', [message.messageID, if (message.userMessageID != null) message.userMessageID!], null),
-            _buildMetaCard(context, FontAwesomeIcons.solidSnake, 'Channel', [message.channelID, channel?.channel.displayName ?? message.channelInternalName], () => {/*TODO*/}),
+            _buildMetaCard(context, FontAwesomeIcons.solidSnake, 'Channel', [message.channelID, channel?.displayName ?? message.channelInternalName], () => {/*TODO*/}),
             _buildMetaCard(context, FontAwesomeIcons.solidTimer, 'Timestamp', [message.timestamp], null),
-            _buildMetaCard(context, FontAwesomeIcons.solidUser, 'User', ['TODO'], () => {/*TODO*/}), //TODO
+            _buildMetaCard(context, FontAwesomeIcons.solidUser, 'User', [if (user != null) user.userID, if (user?.username != null) user!.username!], () => {/*TODO*/}), //TODO
             if (message.senderUserID == userAccUserID) UI.button(text: "Delete Message", onPressed: () {/*TODO*/}, color: Colors.red[900]),
           ],
         ),
@@ -152,11 +137,11 @@ class _MessageViewPageState extends State<MessageViewPage> {
     );
   }
 
-  String _resolveChannelName(ChannelWithSubscription? channel, Message message) {
-    return channel?.channel.displayName ?? message.channelInternalName;
+  String _resolveChannelName(ChannelPreview? channel, Message message) {
+    return channel?.displayName ?? message.channelInternalName;
   }
 
-  List<Widget> _buildMessageHeader(BuildContext context, Message message, ChannelWithSubscription? channel, KeyToken? token, bool loading) {
+  List<Widget> _buildMessageHeader(BuildContext context, Message message, ChannelPreview? channel, bool loading) {
     return [
       Row(
         children: [
@@ -192,7 +177,7 @@ class _MessageViewPageState extends State<MessageViewPage> {
     ];
   }
 
-  List<Widget> _buildMessageContent(BuildContext context, Message message, ChannelWithSubscription? channel, KeyToken? token) {
+  List<Widget> _buildMessageContent(BuildContext context, Message message) {
     return [
       Row(
         children: [