diff --git a/README.md b/README.md
index 18f2df6..5d23d4c 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,8 @@ Aplicativo TabNews feito com muito ♥️ e Flutter pela comunidade, para o site
 - [x] Meus conteúdos
 - [x] Gerencimaneto de conta
 - [x] Criação de conta pelo App
-- [ ] Resposta dos conteúdos
+- [x] Resposta dos conteúdos
+- [x] Interação com Tabcoins
 - [x] Postagens de conteúdos
 - [x] Visualização do perfil de outros usuários
 - [x] Favoritos (local database)
diff --git a/lib/src/controllers/comment.dart b/lib/src/controllers/comment.dart
new file mode 100644
index 0000000..3bfa783
--- /dev/null
+++ b/lib/src/controllers/comment.dart
@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+
+import 'package:tabnews/src/controllers/app.dart';
+import 'package:tabnews/src/interfaces/view_action.dart';
+import 'package:tabnews/src/services/content.dart';
+import 'package:tabnews/src/services/http_response.dart';
+
+class CommentController {
+  final ViewAction _view;
+  final ContentService _contentService = ContentService();
+
+  final ValueNotifier<bool> _isLoading = ValueNotifier(false);
+  ValueNotifier<bool> get isLoading => _isLoading;
+
+  CommentController(this._view);
+
+  void create(String body, String parentId) async {
+    if (body.isEmpty) {
+      _view.onError(message: 'É necessário preencher o campo obrigatório!');
+
+      return;
+    }
+
+    _setLoading(true);
+    final HttpResponse content = await _contentService.postComment(
+      AppController.auth.value,
+      parentId,
+      body,
+    );
+
+    if (content.ok) {
+      _view.onSuccess();
+    } else {
+      _view.onError(message: content.message);
+    }
+
+    _setLoading(false);
+  }
+
+  void _setLoading(bool value) {
+    _isLoading.value = value;
+  }
+}
diff --git a/lib/src/controllers/content.dart b/lib/src/controllers/content.dart
index 7d39fea..0419570 100644
--- a/lib/src/controllers/content.dart
+++ b/lib/src/controllers/content.dart
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import 'package:tabnews/src/controllers/app.dart';
 import 'package:tabnews/src/interfaces/view_action.dart';
+import 'package:tabnews/src/models/content.dart';
 import 'package:tabnews/src/services/content.dart';
 import 'package:tabnews/src/services/http_response.dart';
 
@@ -41,4 +42,31 @@ class ContentController {
   void _setLoading(bool value) {
     _isLoading.value = value;
   }
+
+  void getContent(String slug) async {
+    _setLoading(true);
+    var contentResp = await _contentService.fetchContent(slug);
+
+    if (contentResp.ok) {
+      if (contentResp.data['parent_id'] != null) {
+        contentResp.data['parent'] = await _getParentContent(slug);
+      }
+
+      _view.onSuccess(data: contentResp.data);
+    } else {
+      _view.onError(message: contentResp.message);
+    }
+
+    _setLoading(false);
+  }
+
+  Future<Content?> _getParentContent(String slug) async {
+    var parentContent = await _contentService.fetchContentParent(slug);
+
+    if (parentContent.ok) {
+      return Content.fromJson(parentContent.data);
+    } else {
+      return null;
+    }
+  }
 }
diff --git a/lib/src/models/content.dart b/lib/src/models/content.dart
index be80c06..7b959ac 100644
--- a/lib/src/models/content.dart
+++ b/lib/src/models/content.dart
@@ -14,6 +14,7 @@ class Content {
   String? ownerUsername;
   int? tabcoins;
   int? childrenDeepCount;
+  Content? parent;
 
   Content({
     this.id,
@@ -31,6 +32,7 @@ class Content {
     this.ownerUsername,
     this.tabcoins,
     this.childrenDeepCount,
+    this.parent,
   });
 
   Content.fromJson(Map<String, dynamic> json) {
@@ -49,6 +51,7 @@ class Content {
     tabcoins = json['tabcoins'];
     ownerUsername = json['owner_username'];
     childrenDeepCount = json['children_deep_count'];
+    parent = json['parent'];
   }
 
   Map<String, dynamic> toJson() {
@@ -69,6 +72,7 @@ class Content {
     data['tabcoins'] = tabcoins;
     data['owner_username'] = ownerUsername;
     data['children_deep_count'] = childrenDeepCount;
+    data['parent'] = parent;
 
     return data;
   }
diff --git a/lib/src/services/content.dart b/lib/src/services/content.dart
index 5c1dacc..7841e9c 100644
--- a/lib/src/services/content.dart
+++ b/lib/src/services/content.dart
@@ -47,14 +47,16 @@ class ContentService {
     }
   }
 
-  Future<Content> fetchContent(String slug) async {
+  Future<HttpResponse> fetchContent(String slug) async {
     final response = await http.get(Uri.parse('$apiUrl/$slug'));
 
-    if (response.statusCode == 200) {
-      return Content.fromJson(jsonDecode(response.body));
-    } else {
-      throw Exception('Failed to load singular content');
-    }
+    return HttpResponse(response.statusCode, response.body);
+  }
+
+  Future<HttpResponse> fetchContentParent(String slug) async {
+    final response = await http.get(Uri.parse('$apiUrl/$slug/parent'));
+
+    return HttpResponse(response.statusCode, response.body);
   }
 
   Future<List<Comment>> fetchContentComments(String slug) async {
@@ -117,7 +119,29 @@ class ContentService {
       }),
     );
 
-    return HttpResponse<Content>(response.statusCode, response.body);
+    return HttpResponse(response.statusCode, response.body);
+  }
+
+  Future<HttpResponse> postComment(
+    String token,
+    String parentId,
+    String body,
+  ) async {
+    final response = await http.post(
+      Uri.parse(apiUrl),
+      headers: {
+        'Set-Cookie': 'session_id=$token',
+        'Cookie': 'session_id=$token',
+        'Content-Type': 'application/json; charset=UTF-8',
+      },
+      body: jsonEncode({
+        'parent_id': parentId,
+        'body': body,
+        'status': 'published',
+      }),
+    );
+
+    return HttpResponse(response.statusCode, response.body);
   }
 
   Future<HttpResponse> postTabcoins(String slug, String type) async {
@@ -133,6 +157,8 @@ class ContentService {
       }),
     );
 
+    AppController.updateUser();
+
     return HttpResponse(response.statusCode, response.body);
   }
 }
diff --git a/lib/src/ui/pages/content.dart b/lib/src/ui/pages/content.dart
index 05b8a80..85e2f7c 100644
--- a/lib/src/ui/pages/content.dart
+++ b/lib/src/ui/pages/content.dart
@@ -1,12 +1,16 @@
 import 'package:flutter/material.dart';
-import 'package:tabnews/src/ui/widgets/tabcoins.dart';
 import 'package:timeago/timeago.dart' as timeago;
 
+import 'package:tabnews/src/controllers/app.dart';
+import 'package:tabnews/src/controllers/content.dart';
+import 'package:tabnews/src/interfaces/view_action.dart';
+import 'package:tabnews/src/services/content.dart';
+import 'package:tabnews/src/ui/widgets/answer.dart';
+import 'package:tabnews/src/ui/widgets/source_url.dart';
+import 'package:tabnews/src/ui/widgets/tabcoins.dart';
 import 'package:tabnews/src/controllers/favorites.dart';
-import 'package:tabnews/src/utils/open_link.dart';
 import 'package:tabnews/src/extensions/dark_mode.dart';
 import 'package:tabnews/src/models/content.dart';
-import 'package:tabnews/src/services/content.dart';
 import 'package:tabnews/src/ui/widgets/markdown.dart';
 import 'package:tabnews/src/ui/widgets/comments.dart';
 import 'package:tabnews/src/ui/layouts/page.dart';
@@ -26,32 +30,65 @@ class ContentPage extends StatefulWidget {
   State<ContentPage> createState() => _ContentPageState();
 }
 
-class _ContentPageState extends State<ContentPage> {
+class _ContentPageState extends State<ContentPage> implements ViewAction {
   final FavoritesController _favoritesController = FavoritesController();
+  late ContentController _contentController;
 
   Content content = Content.fromJson({});
   final _contentService = ContentService();
   final ScrollController _controller = ScrollController();
   bool isLoading = true;
 
+  Key _refreshKey = UniqueKey();
+
+  String get slug => '${widget.username}/${widget.slug}';
+
   @override
   void initState() {
     super.initState();
 
+    _contentController = ContentController(this);
     _getContent();
   }
 
-  Future<void> _getContent() async {
-    var contentResp = await _contentService.fetchContent(
-      '${widget.username}/${widget.slug}',
+  @override
+  onError({required String message}) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(message),
+      ),
     );
+  }
 
+  @override
+  onSuccess({data}) {
     setState(() {
-      content = contentResp;
+      content = Content.fromJson(data);
       isLoading = false;
     });
   }
 
+  _getContent() {
+    _contentController.getContent(slug);
+  }
+
+  String _getTitleParent(Content parent) {
+    if (content.parentId != null) {
+      String body = parent.body!;
+      String title = '...';
+
+      if (body.length < 50) {
+        title = body.replaceRange(body.length, body.length, '...');
+      } else {
+        title = body.replaceRange(50, body.length, '...');
+      }
+
+      return 'Respondendo a "$title"';
+    } else {
+      return 'Em resposta a "${parent.title}"';
+    }
+  }
+
   _tabcoins(String vote) async {
     var tabcoinsResp = await _contentService.postTabcoins(
       '${widget.username}/${widget.slug}',
@@ -75,109 +112,103 @@ class _ContentPageState extends State<ContentPage> {
     );
   }
 
+  void _onAnswer() {
+    setState(() {
+      _refreshKey = UniqueKey();
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     timeago.setLocaleMessages('pt-BR', timeago.PtBrMessages());
 
     return PageLayout(
-      onRefresh: _getContent,
-      actions: isLoading
-          ? null
-          : [
-              IconButton(
-                onPressed: () => _favoritesController.toggle(
-                  content,
-                ),
-                icon: ValueListenableBuilder(
-                  valueListenable: _favoritesController.favorites,
-                  builder: (context, favorites, child) {
-                    bool isFavorited = favorites
-                        .where((element) => element.id == content.id)
-                        .isNotEmpty;
-
-                    return Icon(
-                      isFavorited ? Icons.favorite : Icons.favorite_border,
-                    );
-                  },
-                ),
-              ),
-            ],
+      onRefresh: () => _getContent(),
+      actions: _buildActions(),
       body: isLoading
           ? const AppProgressIndicator()
-          : Padding(
+          : SingleChildScrollView(
+              controller: _controller,
               padding: const EdgeInsets.all(10.0),
-              child: CustomScrollView(
-                controller: _controller,
-                slivers: [
-                  SliverToBoxAdapter(
-                    child: Column(
-                      crossAxisAlignment: CrossAxisAlignment.start,
-                      children: [
-                        Row(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Row(
+                    children: [
+                      Text(
+                        '${content.ownerUsername} · ${timeago.format(DateTime.parse(content.publishedAt!), locale: "pt-BR")}',
+                        style: const TextStyle().copyWith(
+                          color: context.isDarkMode
+                              ? Colors.grey.shade400
+                              : Colors.grey.shade700,
+                        ),
+                      ),
+                      const Spacer(),
+                      ValueListenableBuilder(
+                        valueListenable: AppController.isLoggedIn,
+                        builder: (context, isLoggedIn, _) {
+                          if (!isLoggedIn) {
+                            return const SizedBox();
+                          }
+
+                          return Tabcoins(
+                            upvote: () => _tabcoins('upvote'),
+                            tabcoins: '${content.tabcoins}',
+                            downvote: () => _tabcoins('downvote'),
+                          );
+                        },
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 10.0),
+                  Text(
+                    content.parent != null
+                        ? _getTitleParent(content.parent!)
+                        : '${content.title}',
+                    style: const TextStyle().copyWith(
+                      fontSize: 18.0,
+                      fontWeight: FontWeight.w700,
+                    ),
+                  ),
+                  MarkedownReader(
+                    body: '${content.body}',
+                    controller: _controller,
+                  ),
+                  content.sourceUrl != null
+                      ? SourceUrl(sourceUrl: content.sourceUrl!)
+                      : const SizedBox(),
+                  ValueListenableBuilder(
+                    valueListenable: AppController.isLoggedIn,
+                    builder: (context, isLoggedIn, child) {
+                      if (isLoggedIn) {
+                        return Column(
                           children: [
-                            Text(
-                              '${content.ownerUsername} · ${timeago.format(DateTime.parse(content.publishedAt!), locale: "pt-BR")}',
-                              style: const TextStyle().copyWith(
-                                color: context.isDarkMode
-                                    ? Colors.grey.shade400
-                                    : Colors.grey.shade700,
-                              ),
-                            ),
-                            const Spacer(),
-                            Tabcoins(
-                              upvote: () => _tabcoins('upvote'),
-                              tabcoins: '${content.tabcoins}',
-                              downvote: () => _tabcoins('downvote'),
+                            const SizedBox(height: 30.0),
+                            Answer(
+                              parentId: content.id!,
+                              onAnswer: _onAnswer,
                             ),
+                            const SizedBox(height: 30.0),
                           ],
-                        ),
-                        const SizedBox(height: 10.0),
-                        Text(
-                          content.parentId != null
-                              ? 'Em resposta a...'
-                              : '${content.title}',
-                          style: const TextStyle().copyWith(
-                            fontSize: 18.0,
-                            fontWeight: FontWeight.w700,
-                          ),
-                        ),
-                        MarkedownReader(
-                          body: '${content.body}',
-                          controller: _controller,
-                        ),
-                        content.sourceUrl != null
-                            ? Row(
-                                children: [
-                                  Text(
-                                    'Fonte: ',
-                                    style: const TextStyle().copyWith(
-                                      fontWeight: FontWeight.w700,
-                                    ),
-                                  ),
-                                  InkWell(
-                                    onTap: () => OpenLink.open(
-                                      content.sourceUrl,
-                                      context,
-                                    ),
-                                    child: Text(
-                                      '${content.sourceUrl}',
-                                      style: const TextStyle().copyWith(
-                                        color: Colors.blue,
-                                        fontWeight: FontWeight.w700,
-                                      ),
-                                    ),
-                                  ),
-                                ],
-                              )
-                            : const SizedBox(),
-                        const SizedBox(height: 30.0),
-                        const Divider(),
-                        const SizedBox(height: 30.0),
-                      ],
-                    ),
+                        );
+                      } else {
+                        return Column(
+                          children: const [
+                            SizedBox(height: 30.0),
+                            Divider(),
+                            SizedBox(height: 30.0),
+                          ],
+                        );
+                      }
+                    },
                   ),
-                  SliverFillRemaining(
+                  SizedBox(
+                    height: content.parent != null
+                        ? double
+                            .minPositive // TODO: Aqui tem que verificar para ficar melhor
+                        : double.maxFinite,
                     child: CommentsRootWidget(
+                      key: _refreshKey,
                       slug: '${widget.username}/${widget.slug}',
                       controller: _controller,
                     ),
@@ -187,4 +218,28 @@ class _ContentPageState extends State<ContentPage> {
             ),
     );
   }
+
+  List<Widget>? _buildActions() {
+    return isLoading
+        ? null
+        : [
+            IconButton(
+              onPressed: () => _favoritesController.toggle(
+                content,
+              ),
+              icon: ValueListenableBuilder(
+                valueListenable: _favoritesController.favorites,
+                builder: (context, favorites, child) {
+                  bool isFavorited = favorites
+                      .where((element) => element.id == content.id)
+                      .isNotEmpty;
+
+                  return Icon(
+                    isFavorited ? Icons.favorite : Icons.favorite_border,
+                  );
+                },
+              ),
+            ),
+          ];
+  }
 }
diff --git a/lib/src/ui/widgets/answer.dart b/lib/src/ui/widgets/answer.dart
new file mode 100644
index 0000000..fff04b0
--- /dev/null
+++ b/lib/src/ui/widgets/answer.dart
@@ -0,0 +1,162 @@
+import 'package:flutter/material.dart';
+import 'package:markdown_editable_textinput/format_markdown.dart';
+import 'package:markdown_editable_textinput/markdown_text_input.dart';
+
+import 'package:tabnews/src/controllers/comment.dart';
+import 'package:tabnews/src/extensions/dark_mode.dart';
+import 'package:tabnews/src/interfaces/view_action.dart';
+import 'package:tabnews/src/ui/widgets/markdown.dart';
+
+class Answer extends StatefulWidget {
+  final bool inComment;
+  final String parentId;
+  final void Function() onAnswer;
+
+  const Answer({
+    super.key,
+    this.inComment = false,
+    required this.parentId,
+    required this.onAnswer,
+  });
+
+  @override
+  State<Answer> createState() => _AnswerState();
+}
+
+class _AnswerState extends State<Answer> implements ViewAction {
+  late CommentController _commentController;
+
+  bool isAnswering = false;
+  bool isViewMarkdown = false;
+
+  TextEditingController bodyTextController = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+
+    _commentController = CommentController(this);
+  }
+
+  @override
+  onSuccess({data}) {
+    bodyTextController.clear();
+
+    ScaffoldMessenger.of(context).showSnackBar(
+      const SnackBar(
+        content: Text(
+          'Comentário publicado com sucesso!',
+        ),
+      ),
+    );
+
+    setState(() {
+      isAnswering = false;
+    });
+
+    widget.onAnswer();
+  }
+
+  @override
+  onError({required String message}) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(message),
+      ),
+    );
+  }
+
+  @override
+  void dispose() {
+    bodyTextController.dispose();
+
+    super.dispose();
+  }
+
+  void cancel() {
+    bodyTextController.clear();
+
+    setState(() {
+      isAnswering = false;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (widget.inComment) {
+      return _buildAnswer();
+    }
+
+    return Container(
+      padding: const EdgeInsets.all(10.0),
+      decoration: BoxDecoration(
+        border: Border.all(
+          color:
+              context.isDarkMode ? Colors.grey.shade700 : Colors.grey.shade300,
+        ),
+        borderRadius: BorderRadius.circular(5.0),
+      ),
+      child: _buildAnswer(),
+    );
+  }
+
+  Widget _buildAnswer() {
+    return isAnswering
+        ? Column(
+            children: [
+              isViewMarkdown
+                  ? SizedBox(
+                      height: 420.0,
+                      child: MarkedownReader(body: bodyTextController.text),
+                    )
+                  : MarkdownTextInput(
+                      maxLines: 20,
+                      label: 'Comentário',
+                      controller: bodyTextController,
+                      actions: MarkdownType.values,
+                      (value) {},
+                      bodyTextController.text,
+                    ),
+              Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  TextButton(
+                    onPressed: () {
+                      setState(() {
+                        isViewMarkdown = !isViewMarkdown;
+                      });
+                    },
+                    child: Text(isViewMarkdown ? 'Escrever' : 'Visualizar'),
+                  ),
+                  const Spacer(),
+                  TextButton(
+                    onPressed: cancel,
+                    child: const Text('Cancelar'),
+                  ),
+                  const SizedBox(width: 5.0),
+                  ElevatedButton(
+                    onPressed: () => _commentController.create(
+                      bodyTextController.text,
+                      widget.parentId,
+                    ),
+                    child: const Text('Publicar'),
+                  ),
+                ],
+              ),
+            ],
+          )
+        : Row(
+            children: [
+              ElevatedButton(
+                onPressed: () {
+                  setState(() {
+                    isAnswering = true;
+                  });
+                },
+                child: const Text('Responder'),
+              ),
+            ],
+          );
+  }
+}
diff --git a/lib/src/ui/widgets/comments.dart b/lib/src/ui/widgets/comments.dart
index 49bc315..2e9b131 100644
--- a/lib/src/ui/widgets/comments.dart
+++ b/lib/src/ui/widgets/comments.dart
@@ -23,6 +23,8 @@ class _CommentsRootWidgetState extends State<CommentsRootWidget> {
   List<Comment> comments = [];
   final api = ContentService();
 
+  Key _refreshKey = UniqueKey();
+
   @override
   void initState() {
     super.initState();
@@ -38,6 +40,12 @@ class _CommentsRootWidgetState extends State<CommentsRootWidget> {
     });
   }
 
+  void _onAnswer() {
+    setState(() {
+      _refreshKey = UniqueKey();
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     timeago.setLocaleMessages('pt-BR', timeago.PtBrMessages());
@@ -47,8 +55,10 @@ class _CommentsRootWidgetState extends State<CommentsRootWidget> {
       itemCount: comments.length,
       separatorBuilder: (context, index) => const Divider(),
       itemBuilder: (context, index) => ItemComment(
+        key: _refreshKey,
         comment: comments[index],
         controller: widget.controller,
+        onAnswer: _onAnswer,
       ),
     );
   }
diff --git a/lib/src/ui/widgets/comments_children.dart b/lib/src/ui/widgets/comments_children.dart
index 653de3b..11dfc47 100644
--- a/lib/src/ui/widgets/comments_children.dart
+++ b/lib/src/ui/widgets/comments_children.dart
@@ -8,11 +8,13 @@ import 'package:tabnews/src/ui/widgets/item_comment.dart';
 class CommentsWidget extends StatefulWidget {
   final List<Comment> comments;
   final ScrollController controller;
+  final void Function() onAnswer;
 
   const CommentsWidget({
     super.key,
     required this.comments,
     required this.controller,
+    required this.onAnswer,
   });
 
   @override
@@ -34,6 +36,7 @@ class _CommentsWidgetState extends State<CommentsWidget> {
       itemBuilder: (context, index) => ItemComment(
         comment: widget.comments[index],
         controller: widget.controller,
+        onAnswer: widget.onAnswer,
       ),
     );
   }
diff --git a/lib/src/ui/widgets/item_comment.dart b/lib/src/ui/widgets/item_comment.dart
index e4e6917..2af367f 100644
--- a/lib/src/ui/widgets/item_comment.dart
+++ b/lib/src/ui/widgets/item_comment.dart
@@ -1,11 +1,13 @@
 import 'package:flutter/material.dart';
+import 'package:timeago/timeago.dart' as timeago;
+
+import 'package:tabnews/src/controllers/app.dart';
 import 'package:tabnews/src/services/content.dart';
 import 'package:tabnews/src/ui/pages/profile_user.dart';
+import 'package:tabnews/src/ui/widgets/answer.dart';
 import 'package:tabnews/src/ui/widgets/comments_children.dart';
 import 'package:tabnews/src/ui/widgets/tabcoins.dart';
 import 'package:tabnews/src/utils/navigation.dart';
-import 'package:timeago/timeago.dart' as timeago;
-
 import 'package:tabnews/src/extensions/dark_mode.dart';
 import 'package:tabnews/src/models/comment.dart';
 import 'package:tabnews/src/ui/widgets/markdown.dart';
@@ -13,11 +15,13 @@ import 'package:tabnews/src/ui/widgets/markdown.dart';
 class ItemComment extends StatefulWidget {
   final Comment comment;
   final ScrollController controller;
+  final void Function() onAnswer;
 
   const ItemComment({
     super.key,
     required this.comment,
     required this.controller,
+    required this.onAnswer,
   });
 
   @override
@@ -81,10 +85,19 @@ class _ItemCommentState extends State<ItemComment> {
                 ),
               ),
               const Spacer(),
-              Tabcoins(
-                upvote: () => _tabcoins('upvote'),
-                tabcoins: '${comment.tabcoins}',
-                downvote: () => _tabcoins('downvote'),
+              ValueListenableBuilder(
+                valueListenable: AppController.isLoggedIn,
+                builder: (context, isLoggedIn, _) {
+                  if (!isLoggedIn) {
+                    return const SizedBox();
+                  }
+
+                  return Tabcoins(
+                    upvote: () => _tabcoins('upvote'),
+                    tabcoins: '${comment.tabcoins}',
+                    downvote: () => _tabcoins('downvote'),
+                  );
+                },
               ),
             ],
           ),
@@ -92,12 +105,33 @@ class _ItemCommentState extends State<ItemComment> {
             body: comment.body!,
             controller: controller,
           ),
+          ValueListenableBuilder(
+            valueListenable: AppController.isLoggedIn,
+            builder: (context, isLoggedIn, child) {
+              if (isLoggedIn) {
+                return Column(
+                  children: [
+                    const SizedBox(height: 15.0),
+                    Answer(
+                      parentId: comment.id!,
+                      inComment: true,
+                      onAnswer: widget.onAnswer,
+                    ),
+                    const SizedBox(height: 15.0),
+                  ],
+                );
+              } else {
+                return const SizedBox();
+              }
+            },
+          ),
           comment.children!.isNotEmpty
               ? Padding(
                   padding: const EdgeInsets.only(left: 15.0),
                   child: CommentsWidget(
                     comments: comment.children!,
                     controller: controller,
+                    onAnswer: widget.onAnswer,
                   ),
                 )
               : const SizedBox(),
diff --git a/lib/src/ui/widgets/markdown.dart b/lib/src/ui/widgets/markdown.dart
index f102b80..4fd874a 100644
--- a/lib/src/ui/widgets/markdown.dart
+++ b/lib/src/ui/widgets/markdown.dart
@@ -25,7 +25,7 @@ class MarkedownReader extends StatelessWidget {
       controller: controller,
       data: body,
       selectable: true,
-      onTapLink: (text, href, title) async {
+      onTapLink: (text, href, title) {
         OpenLink.open(href, context);
       },
       extensionSet: md.ExtensionSet(
diff --git a/lib/src/ui/widgets/source_url.dart b/lib/src/ui/widgets/source_url.dart
new file mode 100644
index 0000000..bde69df
--- /dev/null
+++ b/lib/src/ui/widgets/source_url.dart
@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+
+import 'package:tabnews/src/utils/open_link.dart';
+
+class SourceUrl extends StatelessWidget {
+  final String sourceUrl;
+
+  const SourceUrl({super.key, required this.sourceUrl});
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Text(
+          'Fonte: ',
+          style: const TextStyle().copyWith(
+            fontWeight: FontWeight.w700,
+          ),
+        ),
+        Expanded(
+          child: InkWell(
+            onTap: () => OpenLink.open(
+              sourceUrl,
+              context,
+            ),
+            child: Text(
+              sourceUrl,
+              overflow: TextOverflow.ellipsis,
+              style: const TextStyle().copyWith(
+                color: Colors.blue,
+                fontWeight: FontWeight.w700,
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+}