diff --git a/app/main/views/api_keys.py b/app/main/views/api_keys.py
index 95048eabf..8dbe00334 100644
--- a/app/main/views/api_keys.py
+++ b/app/main/views/api_keys.py
@@ -80,7 +80,6 @@ def whitelist(service_id):
 def api_keys(service_id):
     return render_template(
         'views/api/keys.html',
-        keys=api_key_api_client.get_api_keys(service_id=service_id)['apiKeys']
     )
 
 
@@ -88,10 +87,7 @@ def api_keys(service_id):
 @login_required
 @user_has_permissions('manage_api_keys', restrict_admin_usage=True)
 def create_api_key(service_id):
-    key_names = [
-        key['name'] for key in api_key_api_client.get_api_keys(service_id=service_id)['apiKeys']
-    ]
-    form = CreateKeyForm(key_names)
+    form = CreateKeyForm(current_service.api_key_names)
     form.key_type.choices = [
         (KEY_TYPE_NORMAL, 'Live – sends to anyone'),
         (KEY_TYPE_TEAM, 'Team and whitelist – limits who you can send to'),
@@ -137,7 +133,6 @@ def revoke_api_key(service_id, key_id):
         return render_template(
             'views/api/keys.html',
             revoke_key=key_name,
-            keys=api_key_api_client.get_api_keys(service_id=service_id)['apiKeys'],
         )
     elif request.method == 'POST':
         api_key_api_client.revoke_api_key(service_id=service_id, key_id=key_id)
diff --git a/app/models/service.py b/app/models/service.py
index 7780347f4..6cf3a28f2 100644
--- a/app/models/service.py
+++ b/app/models/service.py
@@ -1,6 +1,7 @@
 from notifications_utils.field import Field
 from werkzeug.utils import cached_property
 
+from app.notify_client.api_key_api_client import api_key_api_client
 from app.notify_client.billing_api_client import billing_api_client
 from app.notify_client.email_branding_client import email_branding_client
 from app.notify_client.inbound_number_client import inbound_number_client
@@ -335,3 +336,11 @@ class Service():
             template_ids=ids_to_move & self.all_template_ids,
             folder_ids=ids_to_move & self.all_template_folder_ids,
         )
+
+    @cached_property
+    def api_keys(self):
+        return api_key_api_client.get_api_keys(self.id)['apiKeys']
+
+    @property
+    def api_key_names(self):
+        return [key['name'] for key in self.api_keys]
diff --git a/app/templates/views/api/keys.html b/app/templates/views/api/keys.html
index 7e53cd4ab..5bbfc0e28 100644
--- a/app/templates/views/api/keys.html
+++ b/app/templates/views/api/keys.html
@@ -37,7 +37,7 @@
 
   <div class="body-copy-table">
     {% call(item, row_number) list_table(
-      keys,
+      current_service.api_keys,
       empty_message="You haven’t created any API keys yet",
       caption="API keys",
       caption_visible=false,
diff --git a/tests/app/main/views/test_api_integration.py b/tests/app/main/views/test_api_integration.py
index e393e3c44..94223c825 100644
--- a/tests/app/main/views/test_api_integration.py
+++ b/tests/app/main/views/test_api_integration.py
@@ -186,7 +186,7 @@ def test_should_show_empty_api_keys_page(
     assert response.status_code == 200
     assert 'You haven’t created any API keys yet' in response.get_data(as_text=True)
     assert 'Create an API key' in response.get_data(as_text=True)
-    mock_get_no_api_keys.assert_called_once_with(service_id=service_id)
+    mock_get_no_api_keys.assert_called_once_with(service_id)
 
 
 def test_should_show_api_keys_page(
@@ -205,7 +205,7 @@ def test_should_show_api_keys_page(
     assert 'some key name' in resp_data
     assert 'another key name' in resp_data
     assert 'Revoked 1 January at 1:00am' in resp_data
-    mock_get_api_keys.assert_called_once_with(service_id=fake_uuid)
+    mock_get_api_keys.assert_called_once_with(fake_uuid)
 
 
 @pytest.mark.parametrize('service_mock, expected_options', [
@@ -323,7 +323,7 @@ def test_should_show_confirm_revoke_api_key(
             service_id='596364a0-858e-42c8-9062-a8fe822260eb',
         ),
         call(
-            service_id='596364a0-858e-42c8-9062-a8fe822260eb'
+            '596364a0-858e-42c8-9062-a8fe822260eb'
         ),
     ]