diff --git a/docs/api/rest.rst b/docs/api/rest.rst
index d526b27..e33aefc 100644
--- a/docs/api/rest.rst
+++ b/docs/api/rest.rst
@@ -48,7 +48,8 @@ Patchwork instance hosted at `patchwork.example.com`, run:
         "people": "https://patchwork.example.com/api/1.0/people/",
         "projects": "https://patchwork.example.com/api/1.0/projects/",
         "series": "https://patchwork.example.com/api/1.0/series/",
-        "users": "https://patchwork.example.com/api/1.0/users/"
+        "users": "https://patchwork.example.com/api/1.0/users/",
+        "comments": "https://patchwork.example.com/api/1.0/comments/"
     }
 
 
@@ -71,7 +72,8 @@ well-supported. To repeat the above example using `requests`:, run
         "people": "https://patchwork.example.com/api/1.0/people/",
         "projects": "https://patchwork.example.com/api/1.0/projects/",
         "series": "https://patchwork.example.com/api/1.0/series/",
-        "users": "https://patchwork.example.com/api/1.0/users/"
+        "users": "https://patchwork.example.com/api/1.0/users/",
+        "comments": "https://patchwork.example.com/api/1.0/comments/"
     }
 
 Tools like `curl` and libraries like `requests` can be used to build anything
diff --git a/patchwork/api/comment.py b/patchwork/api/comment.py
new file mode 100644
index 0000000..4252ecd
--- /dev/null
+++ b/patchwork/api/comment.py
@@ -0,0 +1,117 @@
+# Patchwork - automated patch tracking system
+# Copyright (C) 2018 Red Hat
+#
+# This file is part of the Patchwork package.
+#
+# Patchwork is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# Patchwork is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Patchwork; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+import email.parser
+
+from rest_framework.generics import ListAPIView
+from rest_framework.generics import RetrieveUpdateAPIView
+from rest_framework.reverse import reverse
+from rest_framework.serializers import HyperlinkedModelSerializer
+from rest_framework.serializers import SerializerMethodField
+
+from patchwork.api.base import PatchworkPermission
+from patchwork.api.filters import CommentFilter
+from patchwork.api.embedded import PersonSerializer
+from patchwork.api.embedded import ProjectSerializer
+from patchwork.models import Comment
+
+
+class CommentListSerializer(HyperlinkedModelSerializer):
+
+    submitter = PersonSerializer(read_only=True)
+    tags = SerializerMethodField()
+    subject = SerializerMethodField()
+    parent = SerializerMethodField(source='submission')
+
+    def get_parent(self, instance):
+        attrs = {'subject': instance.submission.name,
+                 'msgid': instance.submission.msgid,
+                 'date': instance.submission.date}
+
+        if hasattr(instance.submission, 'patch'):
+            attrs['url'] = self.context.get('request').build_absolute_uri(
+                reverse('api-patch-detail', args=[instance.submission.id]))
+        else:
+            attrs['url'] = self.context.get('request').build_absolute_uri(
+                reverse('api-cover-detail', args=[instance.submission.id]))
+
+        return attrs
+
+    def get_subject(self, instance):
+        return email.parser.Parser().parsestr(instance.headers,
+                                              True).get('Subject', '')
+
+    def get_tags(self, instance):
+        # TODO implement after we get support for tags on comments
+        return {}
+
+    class Meta:
+        model = Comment
+        fields = ('id', 'url', 'msgid', 'date', 'subject', 'submitter',
+                  'parent', 'tags')
+        read_only_fields = fields
+        extra_kwargs = {
+            'url': {'view_name': 'api-comment-detail'},
+        }
+
+
+class CommentDetailSerializer(CommentListSerializer):
+
+    headers = SerializerMethodField()
+    project = ProjectSerializer(source='submission.project', read_only=True)
+
+    def get_headers(self, comment):
+        if comment.headers:
+            return email.parser.Parser().parsestr(comment.headers, True)
+
+    class Meta:
+        model = Comment
+        fields = CommentListSerializer.Meta.fields + (
+            'content', 'headers', 'project'
+        )
+        read_only_fields = fields
+        extra_kwargs = CommentListSerializer.Meta.extra_kwargs
+
+
+class CommentList(ListAPIView):
+    """List comments"""
+
+    permission_classes = (PatchworkPermission,)
+    serializer_class = CommentListSerializer
+    filter_class = CommentFilter
+    search_fields = ('subject',)
+    ordering_fields = ('id', 'subject', 'date', 'submitter')
+    ordering = 'id'
+
+    def get_queryset(self):
+        return Comment.objects.all().select_related(
+            'submission'
+        ).prefetch_related('related_tags').defer('content')
+
+
+class CommentDetail(RetrieveUpdateAPIView):
+    """Show a comment"""
+
+    permission_classes = (PatchworkPermission,)
+    serializer_class = CommentDetailSerializer
+
+    def get_queryset(self):
+        return Comment.objects.all().select_related(
+            'submission'
+        ).prefetch_related('related_tags')
diff --git a/patchwork/api/filters.py b/patchwork/api/filters.py
index d207b2b..8256d8c 100644
--- a/patchwork/api/filters.py
+++ b/patchwork/api/filters.py
@@ -26,6 +26,7 @@ from django.forms import ModelChoiceField
 
 from patchwork.models import Bundle
 from patchwork.models import Check
+from patchwork.models import Comment
 from patchwork.models import CoverLetter
 from patchwork.models import Event
 from patchwork.models import Patch
@@ -33,6 +34,7 @@ from patchwork.models import Person
 from patchwork.models import Project
 from patchwork.models import Series
 from patchwork.models import State
+from patchwork.models import Submission
 
 
 class TimestampMixin(FilterSet):
@@ -186,3 +188,17 @@ class BundleFilter(ProjectMixin, FilterSet):
     class Meta:
         model = Bundle
         fields = ('project', 'owner', 'public')
+
+
+class CommentFilter(ProjectMixin, TimestampMixin, FilterSet):
+
+    submitter = PersonFilter(queryset=Person.objects.all())
+    parent = ModelChoiceFilter(name='submission',
+                               queryset=Submission.objects.all())
+    project = ProjectFilter(to_field_name='linkname',
+                            name='submission__project',
+                            queryset=Project.objects.all())
+
+    class Meta:
+        model = Comment
+        fields = ('project', 'parent', 'submitter')
diff --git a/patchwork/api/index.py b/patchwork/api/index.py
index 53494db..ebc8dbf 100644
--- a/patchwork/api/index.py
+++ b/patchwork/api/index.py
@@ -34,4 +34,5 @@ class IndexView(APIView):
             'series': reverse('api-series-list', request=request),
             'events': reverse('api-event-list', request=request),
             'bundles': reverse('api-bundle-list', request=request),
+            'comments': reverse('api-comment-list', request=request),
         })
diff --git a/patchwork/models.py b/patchwork/models.py
index f91b994..67c2d3a 100644
--- a/patchwork/models.py
+++ b/patchwork/models.py
@@ -613,6 +613,9 @@ class Comment(EmailMixin, models.Model):
         if hasattr(self.submission, 'patch'):
             self.submission.patch.refresh_tag_counts()
 
+    def is_editable(self, user):
+        return False
+
     class Meta:
         ordering = ['date']
         unique_together = [('msgid', 'submission')]
diff --git a/patchwork/urls.py b/patchwork/urls.py
index 7193472..7ae4425 100644
--- a/patchwork/urls.py
+++ b/patchwork/urls.py
@@ -213,6 +213,7 @@ if settings.ENABLE_REST_API:
 
     from patchwork.api import bundle as api_bundle_views  # noqa
     from patchwork.api import check as api_check_views  # noqa
+    from patchwork.api import comment as api_comment_views  # noqa
     from patchwork.api import cover as api_cover_views  # noqa
     from patchwork.api import event as api_event_views  # noqa
     from patchwork.api import index as api_index_views  # noqa
@@ -238,6 +239,12 @@ if settings.ENABLE_REST_API:
         url(r'^people/(?P<pk>[^/]+)/$',
             api_person_views.PersonDetail.as_view(),
             name='api-person-detail'),
+        url(r'^comments/$',
+            api_comment_views.CommentList.as_view(),
+            name='api-comment-list'),
+        url(r'^comments/(?P<pk>[^/]+)/$',
+            api_comment_views.CommentDetail.as_view(),
+            name='api-comment-detail'),
         url(r'^covers/$',
             api_cover_views.CoverLetterList.as_view(),
             name='api-cover-list'),
@@ -277,6 +284,9 @@ if settings.ENABLE_REST_API:
         url(r'^events/$',
             api_event_views.EventList.as_view(),
             name='api-event-list'),
+        url(r'^comments/$',
+            api_comment_views.CommentList.as_view(),
+            name='api-comment-list'),
     ]
 
     urlpatterns += [
diff --git a/releasenotes/notes/comments-api-b7dff6ee4ce04c9b.yaml b/releasenotes/notes/comments-api-b7dff6ee4ce04c9b.yaml
new file mode 100644
index 0000000..72b3339
--- /dev/null
+++ b/releasenotes/notes/comments-api-b7dff6ee4ce04c9b.yaml
@@ -0,0 +1,10 @@
+---
+api:
+  - |
+    Added /comments endpoint. For comment list, fields
+        'id', 'url', 'msgid', 'date', 'subject', 'submitter', 'parent', 'tags'
+    are available. For comment detail (/comments/29), comment's
+        'content', 'headers', 'project'
+    are added as well. Filtering is possible based on
+        'project', 'parent', 'submitter'
+    fields.
