diff --git a/app/api/serializer.py b/app/api/serializer.py
index e59776b7..e308f982 100644
--- a/app/api/serializer.py
+++ b/app/api/serializer.py
@@ -104,6 +104,7 @@ def serialize_contact(contact: Contact, existed=False) -> dict:
         "reverse_alias": contact.website_send_to(),
         "reverse_alias_address": contact.reply_email,
         "existed": existed,
+        "block_forward": contact.block_forward,
     }
 
     email_log: EmailLog = contact.last_reply()
diff --git a/docs/api.md b/docs/api.md
index fdbff09b..352cf050 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -497,7 +497,8 @@ If success, 200 with the list of contacts, for example:
       "creation_timestamp": 1582284900,
       "last_email_sent_date": null,
       "last_email_sent_timestamp": null,
-      "reverse_alias": "marketing at example.com <reply+bzvpazcdedcgcpztehxzgjgzmxskqa@sl.co>"
+      "reverse_alias": "marketing at example.com <reply+bzvpazcdedcgcpztehxzgjgzmxskqa@sl.co>",
+      "block_forward": false
     },
     {
       "id": 2,
@@ -507,7 +508,8 @@ If success, 200 with the list of contacts, for example:
       "last_email_sent_date": "2020-02-21 11:35:00+00:00",
       "last_email_sent_timestamp": 1582284900,
       "reverse_alias": "newsletter at example.com <reply+bzvpazcdedcgcpztehxzgjgzmxskqa@sl.co>",
-      "reverse_alias_address": "reply+bzvpazcdedcgcpztehxzgjgzmxskqa@sl.co"
+      "reverse_alias_address": "reply+bzvpazcdedcgcpztehxzgjgzmxskqa@sl.co",
+      "block_forward": true
     }
   ]
 }
diff --git a/tests/api/test_alias.py b/tests/api/test_alias.py
index afc0d0e2..178a2844 100644
--- a/tests/api/test_alias.py
+++ b/tests/api/test_alias.py
@@ -465,14 +465,7 @@ def test_update_pinned(flask_client):
 
 
 def test_alias_contacts(flask_client):
-    user = User.create(
-        email="a@b.c", password="password", name="Test User", activated=True
-    )
-    Session.commit()
-
-    # create api_key
-    api_key = ApiKey.create(user.id, "for test")
-    Session.commit()
+    user = login(flask_client)
 
     alias = Alias.create_new_random(user)
     Session.commit()
@@ -495,10 +488,7 @@ def test_alias_contacts(flask_client):
         )
         Session.commit()
 
-    r = flask_client.get(
-        url_for("api.get_alias_contacts_route", alias_id=alias.id, page_id=0),
-        headers={"Authentication": api_key.code},
-    )
+    r = flask_client.get(f"/api/aliases/{alias.id}/contacts?page_id=0")
 
     assert r.status_code == 200
     assert len(r.json["contacts"]) == PAGE_LIMIT
@@ -510,12 +500,10 @@ def test_alias_contacts(flask_client):
         assert ac["contact"]
         assert ac["reverse_alias"]
         assert ac["reverse_alias_address"]
+        assert "block_forward" in ac
 
     # second page, should return 1 result only
-    r = flask_client.get(
-        url_for("api.get_alias_contacts_route", alias_id=alias.id, page_id=1),
-        headers={"Authentication": api_key.code},
-    )
+    r = flask_client.get(f"/api/aliases/{alias.id}/contacts?page_id=1")
     assert len(r.json["contacts"]) == 1