diff --git a/patchwork/api/comment.py b/patchwork/api/comment.py
new file mode 100644
index 0000000..fbb7cc8
--- /dev/null
+++ b/patchwork/api/comment.py
@@ -0,0 +1,75 @@
+# 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.serializers import SerializerMethodField
+
+from patchwork.api.base import BaseHyperlinkedModelSerializer
+from patchwork.api.base import PatchworkPermission
+from patchwork.api.embedded import PersonSerializer
+from patchwork.models import Comment
+
+
+class CommentListSerializer(BaseHyperlinkedModelSerializer):
+
+    subject = SerializerMethodField()
+    headers = SerializerMethodField()
+    submitter = PersonSerializer(read_only=True)
+
+    def get_subject(self, comment):
+        return email.parser.Parser().parsestr(comment.headers,
+                                              True).get('Subject', '')
+
+    def get_headers(self, comment):
+        headers = {}
+
+        if comment.headers:
+            parsed = email.parser.Parser().parsestr(comment.headers, True)
+            for key in parsed.keys():
+                headers[key] = parsed.get_all(key)
+                # Let's return a single string instead of a list if only one
+                # header with this key is present
+                if len(headers[key]) == 1:
+                    headers[key] = headers[key][0]
+
+        return headers
+
+    class Meta:
+        model = Comment
+        fields = ('id', 'msgid', 'date', 'subject', 'submitter', 'content',
+                  'headers')
+        read_only_fields = fields
+
+
+class CommentList(ListAPIView):
+    """List comments"""
+
+    permission_classes = (PatchworkPermission,)
+    serializer_class = CommentListSerializer
+    search_fields = ('subject',)
+    ordering_fields = ('id', 'subject', 'date', 'submitter')
+    ordering = 'id'
+    lookup_url_kwarg = 'pk'
+
+    def get_queryset(self):
+        return Comment.objects.filter(
+            submission=self.kwargs['pk']
+        ).select_related('submitter')
diff --git a/patchwork/api/cover.py b/patchwork/api/cover.py
index fc7ae97..19f0f65 100644
--- a/patchwork/api/cover.py
+++ b/patchwork/api/cover.py
@@ -21,6 +21,7 @@ import email.parser
 
 from rest_framework.generics import ListAPIView
 from rest_framework.generics import RetrieveAPIView
+from rest_framework.reverse import reverse
 from rest_framework.serializers import SerializerMethodField
 
 from patchwork.api.base import BaseHyperlinkedModelSerializer
@@ -58,6 +59,11 @@ class CoverLetterListSerializer(BaseHyperlinkedModelSerializer):
 class CoverLetterDetailSerializer(CoverLetterListSerializer):
 
     headers = SerializerMethodField()
+    comments = SerializerMethodField()
+
+    def get_comments(self, cover):
+        return self.context.get('request').build_absolute_uri(
+            reverse('api-comment-list', kwargs={'pk': cover.id}))
 
     def get_headers(self, instance):
         if instance.headers:
@@ -65,9 +71,14 @@ class CoverLetterDetailSerializer(CoverLetterListSerializer):
 
     class Meta:
         model = CoverLetter
-        fields = CoverLetterListSerializer.Meta.fields + ('headers', 'content')
+        fields = CoverLetterListSerializer.Meta.fields + ('headers',
+                                                          'content',
+                                                          'comments')
         read_only_fields = fields
         extra_kwargs = CoverLetterListSerializer.Meta.extra_kwargs
+        versioned_fields = {
+            '1.1': ('mbox', 'comments'),
+        }
 
 
 class CoverLetterList(ListAPIView):
diff --git a/patchwork/api/patch.py b/patchwork/api/patch.py
index 115feff..feb7d80 100644
--- a/patchwork/api/patch.py
+++ b/patchwork/api/patch.py
@@ -24,9 +24,9 @@ from rest_framework.generics import ListAPIView
 from rest_framework.generics import RetrieveUpdateAPIView
 from rest_framework.relations import RelatedField
 from rest_framework.reverse import reverse
-from rest_framework.serializers import HyperlinkedModelSerializer
 from rest_framework.serializers import SerializerMethodField
 
+from patchwork.api.base import BaseHyperlinkedModelSerializer
 from patchwork.api.base import PatchworkPermission
 from patchwork.api.filters import PatchFilter
 from patchwork.api.embedded import PersonSerializer
@@ -75,7 +75,7 @@ class StateField(RelatedField):
         return State.objects.all()
 
 
-class PatchListSerializer(HyperlinkedModelSerializer):
+class PatchListSerializer(BaseHyperlinkedModelSerializer):
 
     project = ProjectSerializer(read_only=True)
     state = StateField()
@@ -121,6 +121,11 @@ class PatchDetailSerializer(PatchListSerializer):
 
     headers = SerializerMethodField()
     prefixes = SerializerMethodField()
+    comments = SerializerMethodField()
+
+    def get_comments(self, patch):
+        return self.context.get('request').build_absolute_uri(
+            reverse('api-comment-list', kwargs={'pk': patch.id}))
 
     def get_headers(self, patch):
         if patch.headers:
@@ -132,10 +137,13 @@ class PatchDetailSerializer(PatchListSerializer):
     class Meta:
         model = Patch
         fields = PatchListSerializer.Meta.fields + (
-            'headers', 'content', 'diff', 'prefixes')
+            'headers', 'content', 'diff', 'prefixes', 'comments')
         read_only_fields = PatchListSerializer.Meta.read_only_fields + (
-            'headers', 'content', 'diff', 'prefixes')
+            'headers', 'content', 'diff', 'prefixes', 'comments')
         extra_kwargs = PatchListSerializer.Meta.extra_kwargs
+        versioned_fields = {
+            '1.1': ('comments', ),
+        }
 
 
 class PatchList(ListAPIView):
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/tests/api/test_comment.py b/patchwork/tests/api/test_comment.py
new file mode 100644
index 0000000..b283bfe
--- /dev/null
+++ b/patchwork/tests/api/test_comment.py
@@ -0,0 +1,115 @@
+# 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 unittest
+
+from django.conf import settings
+
+from patchwork.compat import NoReverseMatch
+from patchwork.compat import reverse
+from patchwork.tests.utils import create_comment
+from patchwork.tests.utils import create_cover
+from patchwork.tests.utils import create_patch
+from patchwork.tests.utils import SAMPLE_CONTENT
+
+if settings.ENABLE_REST_API:
+    from rest_framework import status
+    from rest_framework.test import APITestCase
+else:
+    # stub out APITestCase
+    from django.test import TestCase
+    APITestCase = TestCase  # noqa
+
+
+@unittest.skipUnless(settings.ENABLE_REST_API, 'requires ENABLE_REST_API')
+class TestCoverComments(APITestCase):
+    @staticmethod
+    def api_url(cover, version=None):
+        kwargs = {}
+        if version:
+            kwargs['version'] = version
+        kwargs['pk'] = cover.id
+
+        return reverse('api-comment-list', kwargs=kwargs)
+
+    def assertSerialized(self, comment_obj, comment_json):
+        self.assertEqual(comment_obj.id, comment_json['id'])
+        self.assertEqual(comment_obj.submitter.id,
+                         comment_json['submitter']['id'])
+        self.assertIn(SAMPLE_CONTENT, comment_json['content'])
+
+    def test_list(self):
+        cover_obj = create_cover()
+        resp = self.client.get(self.api_url(cover_obj))
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(0, len(resp.data))
+
+        comment_obj = create_comment(submission=cover_obj)
+        resp = self.client.get(self.api_url(cover_obj))
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(1, len(resp.data))
+        self.assertSerialized(comment_obj, resp.data[0])
+
+        another_comment = create_comment(submission=cover_obj)
+        resp = self.client.get(self.api_url(cover_obj))
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(2, len(resp.data))
+
+        # check we can't access comments using the old version of the API
+        with self.assertRaises(NoReverseMatch):
+            self.client.get(self.api_url(cover_obj, version='1.0'))
+
+
+@unittest.skipUnless(settings.ENABLE_REST_API, 'requires ENABLE_REST_API')
+class TestPatchComments(APITestCase):
+    @staticmethod
+    def api_url(patch, version=None):
+        kwargs = {}
+        if version:
+            kwargs['version'] = version
+        kwargs['pk'] = patch.id
+
+        return reverse('api-comment-list', kwargs=kwargs)
+
+    def assertSerialized(self, comment_obj, comment_json):
+        self.assertEqual(comment_obj.id, comment_json['id'])
+        self.assertEqual(comment_obj.submitter.id,
+                         comment_json['submitter']['id'])
+        self.assertIn(SAMPLE_CONTENT, comment_json['content'])
+
+    def test_list(self):
+        patch_obj = create_patch()
+        resp = self.client.get(self.api_url(patch_obj))
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(0, len(resp.data))
+
+        comment_obj = create_comment(submission=patch_obj)
+        resp = self.client.get(self.api_url(patch_obj))
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(1, len(resp.data))
+        self.assertSerialized(comment_obj, resp.data[0])
+
+        another_comment = create_comment(submission=patch_obj)
+        resp = self.client.get(self.api_url(patch_obj))
+        self.assertEqual(status.HTTP_200_OK, resp.status_code)
+        self.assertEqual(2, len(resp.data))
+
+        # check we can't access comments using the old version of the API
+        with self.assertRaises(NoReverseMatch):
+            self.client.get(self.api_url(patch_obj, version='1.0'))
diff --git a/patchwork/tests/api/test_cover.py b/patchwork/tests/api/test_cover.py
index 3135b7e..9a0fbbb 100644
--- a/patchwork/tests/api/test_cover.py
+++ b/patchwork/tests/api/test_cover.py
@@ -49,7 +49,8 @@ class TestCoverLetterAPI(APITestCase):
 
         if item is None:
             return reverse('api-cover-list', kwargs=kwargs)
-        return reverse('api-cover-detail', args=[item], kwargs=kwargs)
+        kwargs['pk'] = item
+        return reverse('api-cover-detail', kwargs=kwargs)
 
     def assertSerialized(self, cover_obj, cover_json):
         self.assertEqual(cover_obj.id, cover_json['id'])
@@ -115,6 +116,14 @@ class TestCoverLetterAPI(APITestCase):
         self.assertEqual(status.HTTP_200_OK, resp.status_code)
         self.assertSerialized(cover_obj, resp.data)
 
+        # test comments
+        resp = self.client.get(self.api_url(cover_obj.id))
+        self.assertIn('comments', resp.data)
+
+        # test old version of API
+        resp = self.client.get(self.api_url(cover_obj.id, version='1.0'))
+        self.assertNotIn('comments', resp.data)
+
     def test_create_update_delete(self):
         user = create_maintainer()
         user.is_superuser = True
diff --git a/patchwork/tests/api/test_patch.py b/patchwork/tests/api/test_patch.py
index 909c1eb..d9d44d3 100644
--- a/patchwork/tests/api/test_patch.py
+++ b/patchwork/tests/api/test_patch.py
@@ -45,10 +45,15 @@ class TestPatchAPI(APITestCase):
     fixtures = ['default_tags']
 
     @staticmethod
-    def api_url(item=None):
+    def api_url(item=None, version=None):
+        kwargs = {}
+        if version:
+            kwargs['version'] = version
+
         if item is None:
-            return reverse('api-patch-list')
-        return reverse('api-patch-detail', args=[item])
+            return reverse('api-patch-list', kwargs=kwargs)
+        kwargs['pk'] = item
+        return reverse('api-patch-detail', kwargs=kwargs)
 
     def assertSerialized(self, patch_obj, patch_json):
         self.assertEqual(patch_obj.id, patch_json['id'])
@@ -130,6 +135,14 @@ class TestPatchAPI(APITestCase):
         self.assertEqual(patch.diff, resp.data['diff'])
         self.assertEqual(0, len(resp.data['tags']))
 
+        # test comments
+        resp = self.client.get(self.api_url(patch.id))
+        self.assertIn('comments', resp.data)
+
+        # test old version of API
+        resp = self.client.get(self.api_url(item=patch.id, version='1.0'))
+        self.assertNotIn('comments', resp.data)
+
     def test_create(self):
         """Ensure creations are rejected."""
         project = create_project()
diff --git a/patchwork/urls.py b/patchwork/urls.py
index 0893fe2..1dc4ffc 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
@@ -279,8 +280,18 @@ if settings.ENABLE_REST_API:
             name='api-event-list'),
     ]
 
+    api_1_1_patterns = [
+        url(r'^patches/(?P<pk>[^/]+)/comments/$',
+            api_comment_views.CommentList.as_view(),
+            name='api-comment-list'),
+        url(r'^covers/(?P<pk>[^/]+)/comments/$',
+            api_comment_views.CommentList.as_view(),
+            name='api-comment-list'),
+    ]
+
     urlpatterns += [
         url(r'^api/(?:(?P<version>(1.0|1.1))/)?', include(api_patterns)),
+        url(r'^api/(?:(?P<version>1.1)/)?', include(api_1_1_patterns)),
 
         # token change
         url(r'^user/generate-token/$', user_views.generate_token,
diff --git a/releasenotes/notes/comments-api-b7dff6ee4ce04c9b.yaml b/releasenotes/notes/comments-api-b7dff6ee4ce04c9b.yaml
new file mode 100644
index 0000000..6cd6441
--- /dev/null
+++ b/releasenotes/notes/comments-api-b7dff6ee4ce04c9b.yaml
@@ -0,0 +1,8 @@
+---
+api:
+  - |
+    Links to related comments are now exposed when checking patch and cover
+    letter details. The comments themselves are then available via
+    ``/patches/{patchID}/comments`` and ``/covers/{coverID}/comments``
+    endpoints. Please note that comments are available only since API
+    version 1.1
