diff --git a/boards/urls.py b/boards/urls.py
--- a/boards/urls.py
+++ b/boards/urls.py
@@ -30,7 +30,6 @@ urlpatterns = patterns('',
 
     # /boards/thread/
     url(r'^thread/(?P<post_id>\w+)/$', views.thread, name='thread'),
-    # /boards/theme/theme_name/
     url(r'^settings/$', views.settings, name='settings'),
     url(r'^tags/$', views.all_tags, name='tags'),
     url(r'^captcha/', include('captcha.urls')),
@@ -49,5 +48,9 @@ urlpatterns = patterns('',
     url(r'^tag/(?P<tag_name>\w+)/page/(?P<page>\w+)/rss/$', TagThreadsFeed()),
     url(r'^thread/(?P<post_id>\w+)/rss/$', ThreadPostsFeed()),
 
+    # i18n
     url(r'^jsi18n/$', 'django.views.i18n.javascript_catalog', js_info_dict),
+
+    # API
+    url(r'^get_post/(?P<post_id>\w+)/$', views.get_post, name="get_post"),
 )
diff --git a/boards/views.py b/boards/views.py
--- a/boards/views.py
+++ b/boards/views.py
@@ -1,7 +1,9 @@
 import hashlib
 import string
+from django.core import serializers
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
+from django.http.response import HttpResponse
 from django.template import RequestContext
 from django.shortcuts import render, redirect, get_object_or_404
 from django.utils import timezone
@@ -244,6 +246,8 @@ def jump_to_post(request, post_id):
 
 
 def authors(request):
+    """Show authors list"""
+
     context = _init_default_context(request)
     context['authors'] = boards.authors.authors
 
@@ -251,6 +255,8 @@ def authors(request):
 
 
 def delete(request, post_id):
+    """Delete post"""
+
     user = _get_user(request)
     post = get_object_or_404(Post, id=post_id)
 
@@ -265,6 +271,8 @@ def delete(request, post_id):
 
 
 def ban(request, post_id):
+    """Ban user"""
+
     user = _get_user(request)
     post = get_object_or_404(Post, id=post_id)
 
@@ -276,16 +284,22 @@ def ban(request, post_id):
 
 
 def you_are_banned(request):
+    """Show the page that notifies that user is banned"""
+
     context = _init_default_context(request)
     return render(request, 'boards/staticpages/banned.html', context)
 
 
 def page_404(request):
+    """Show page 404 (not found error)"""
+
     context = _init_default_context(request)
     return render(request, 'boards/404.html', context)
 
 
 def tag_subscribe(request, tag_name):
+    """Add tag to favorites"""
+
     user = _get_user(request)
     tag = get_object_or_404(Tag, name=tag_name)
 
@@ -296,6 +310,8 @@ def tag_subscribe(request, tag_name):
 
 
 def tag_unsubscribe(request, tag_name):
+    """Remove tag from favorites"""
+
     user = _get_user(request)
     tag = get_object_or_404(Tag, name=tag_name)
 
@@ -306,10 +322,29 @@ def tag_unsubscribe(request, tag_name):
 
 
 def static_page(request, name):
+    """Show a static page that needs only tags list and a CSS"""
+
     context = _init_default_context(request)
     return render(request, 'boards/staticpages/' + name + '.html', context)
 
 
+def get_post(request, post_id):
+    """
+    Get the JSON of a post.
+    This is used for replies preview and new posts loading. Also this can be
+    used as and API for external clients.
+    """
+
+    post = get_object_or_404(Post, id=post_id)
+
+    json = serializers.serialize("json", [post], fields=(
+        "pub_time", "_text_rendered", "title", "text", "image",
+        "image_width", "image_height", "replies", "tags"
+    ))
+
+    return HttpResponse(content=json)
+
+
 def _get_theme(request, user=None):
     """Get user's CSS theme"""