Protecting Apigee with SGNL Introduction Protected Systems are applications, services, or infrastructure that you want to protect with SGNL. In this guide, we’ll enhance access control for your APIs by integrating SGNL with Apigee to enable continuous access evaluations. If you’re not sure if an Apigee and SGNL Integration is right for your enterprise, visit our Apigee Blog Post or watch the video below to learn more.