Change key in entity

app/services/error_tracking/project_settings_service.rb

+# frozen_string_literal: true
+
+module ErrorTracking
+  class ProjectSettingsService < ErrorTracking::BaseService
+
+    private
+
+    def fetch
+      project_error_tracking_setting.sentry_project_settings
+    end
+  end
+end
\ No newline at end of file

lib/api/entities.rb

@@ -168,7 +168,7 @@ module API
 
     class SentryProjectErrorTrackingSettings < Grape::Entity
       expose :project_name
-      expose :project_url
+      expose :sentry_external_url
     end
 
     class RemoteMirror < Grape::Entity