diff --git a/spec/controllers/instance_actors_controller_spec.rb b/spec/controllers/instance_actors_controller_spec.rb
deleted file mode 100644
index 42ffb67988..0000000000
--- a/spec/controllers/instance_actors_controller_spec.rb
+++ /dev/null
@@ -1,54 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe InstanceActorsController do
-  describe 'GET #show' do
-    context 'with JSON' do
-      let(:format) { 'json' }
-
-      shared_examples 'shared behavior' do
-        before do
-          get :show, params: { format: format }
-        end
-
-        it 'returns http success with correct media type and body' do
-          expect(response)
-            .to have_http_status(200)
-            .and have_attributes(
-              media_type: eq('application/activity+json')
-            )
-
-          expect(body_as_json)
-            .to include(:id, :type, :preferredUsername, :inbox, :publicKey, :inbox, :outbox, :url)
-        end
-
-        it_behaves_like 'cacheable response'
-      end
-
-      before do
-        allow(controller).to receive(:authorized_fetch_mode?).and_return(authorized_fetch_mode)
-      end
-
-      context 'without authorized fetch mode' do
-        let(:authorized_fetch_mode) { false }
-
-        it_behaves_like 'shared behavior'
-      end
-
-      context 'with authorized fetch mode' do
-        let(:authorized_fetch_mode) { true }
-
-        it_behaves_like 'shared behavior'
-      end
-
-      context 'with a suspended instance actor' do
-        let(:authorized_fetch_mode) { false }
-
-        before { Account.representative.update(suspended_at: 10.days.ago) }
-
-        it_behaves_like 'shared behavior'
-      end
-    end
-  end
-end
diff --git a/spec/requests/instance_actor_spec.rb b/spec/requests/instance_actor_spec.rb
new file mode 100644
index 0000000000..9c7ee9ff90
--- /dev/null
+++ b/spec/requests/instance_actor_spec.rb
@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Instance actor endpoint' do
+  describe 'GET /actor' do
+    before do
+      integration_session.https! # TODO: Move to global rails_helper for all request specs?
+      host! Rails.configuration.x.local_domain # TODO: Move to global rails_helper for all request specs?
+    end
+
+    let!(:original_federation_mode) { Rails.configuration.x.limited_federation_mode }
+
+    shared_examples 'instance actor endpoint' do
+      before { get instance_actor_path(format: :json) }
+
+      it 'returns http success with correct media type and body' do
+        expect(response)
+          .to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/activity+json')
+        expect(body_as_json)
+          .to include(
+            id: instance_actor_url,
+            type: 'Application',
+            preferredUsername: 'mastodon.internal',
+            inbox: instance_actor_inbox_url,
+            outbox: instance_actor_outbox_url,
+            publicKey: include(
+              id: instance_actor_url(anchor: 'main-key')
+            ),
+            url: about_more_url(instance_actor: true)
+          )
+      end
+
+      it_behaves_like 'cacheable response'
+    end
+
+    context 'with limited federation mode disabled' do
+      before { Rails.configuration.x.limited_federation_mode = false }
+      after { Rails.configuration.x.limited_federation_mode = original_federation_mode }
+
+      it_behaves_like 'instance actor endpoint'
+
+      context 'with a disabled instance actor' do
+        before { disable_instance_actor }
+
+        it_behaves_like 'instance actor endpoint'
+      end
+    end
+
+    context 'with limited federation mode enabled' do
+      before { Rails.configuration.x.limited_federation_mode = true }
+      after { Rails.configuration.x.limited_federation_mode = original_federation_mode }
+
+      it_behaves_like 'instance actor endpoint'
+
+      context 'with a disabled instance actor' do
+        before { disable_instance_actor }
+
+        it_behaves_like 'instance actor endpoint'
+      end
+    end
+
+    def disable_instance_actor
+      Account
+        .representative
+        .update(suspended_at: 10.days.ago)
+    end
+  end
+end