diff --git a/swh/web/common/utils.py b/swh/web/common/utils.py
--- a/swh/web/common/utils.py
+++ b/swh/web/common/utils.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2017-2019  The Software Heritage developers
+# Copyright (C) 2017-2020  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -23,7 +23,7 @@
 from swh.model.exceptions import ValidationError
 from swh.model.identifiers import (
     persistent_identifier, parse_persistent_identifier,
-    CONTENT, DIRECTORY, RELEASE, REVISION, SNAPSHOT
+    CONTENT, DIRECTORY, ORIGIN, RELEASE, REVISION, SNAPSHOT
 )
 
 from swh.web.common.exc import BadInputExc
@@ -286,6 +286,10 @@
             browse_url = reverse('browse-snapshot',
                                  url_args={'snapshot_id': object_id},
                                  query_params=query_dict)
+        elif object_type == ORIGIN:
+            raise BadInputExc(('Origin PIDs (Persistent Identifiers) are not '
+                               'publicly resolvable because they are for '
+                               'internal usage only'))
     except ValidationError as ve:
         raise BadInputExc('Error when parsing identifier. %s' %
                           ' '.join(ve.messages))
diff --git a/swh/web/tests/api/views/test_identifiers.py b/swh/web/tests/api/views/test_identifiers.py
--- a/swh/web/tests/api/views/test_identifiers.py
+++ b/swh/web/tests/api/views/test_identifiers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2019  The Software Heritage developers
+# Copyright (C) 2018-2020  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -88,3 +88,10 @@
         resp = api_client.get(url)
 
         assert resp.status_code == 404, resp.data
+
+
+def test_swh_origin_id_not_resolvable(api_client):
+    ori_pid = 'swh:1:ori:8068d0075010b590762c6cb5682ed53cb3c13deb'
+    url = reverse('api-1-resolve-swh-pid', url_args={'swh_id': ori_pid})
+    resp = api_client.get(url)
+    assert resp.status_code == 400, resp.data
diff --git a/swh/web/tests/browse/views/test_identifiers.py b/swh/web/tests/browse/views/test_identifiers.py
--- a/swh/web/tests/browse/views/test_identifiers.py
+++ b/swh/web/tests/browse/views/test_identifiers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2019  The Software Heritage developers
+# Copyright (C) 2018-2020  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -160,3 +160,12 @@
 
     assert resp.status_code == 302
     assert resp['location'] == content_browse_url
+
+
+@given(release())
+def test_origin_id_not_resolvable(client, release):
+    swh_id = 'swh:1:ori:8068d0075010b590762c6cb5682ed53cb3c13deb'
+    url = reverse('browse-swh-id',
+                  url_args={'swh_id': swh_id})
+    resp = client.get(url)
+    assert resp.status_code == 400