The tutorial provides a comprehensive guide on automating database cleanup and revoking temporary access for users of a RESTful API using scheduled pipelines. It involves setting up a demo application with MongoDB on Heroku and leveraging CircleCI for continuous integration and deployment. The process includes creating endpoints to manage user permissions and employing a scheduled pipeline to automate access revocation based on expiration dates. The tutorial covers the necessary prerequisites, such as having accounts on CircleCI, GitHub, Heroku, and MongoDB Atlas, and provides detailed instructions on setting up the application, deploying it, and creating a scheduled pipeline. By automating these processes, developers can focus more on feature implementation, testing, and bug fixing, while the system handles routine cleanup tasks, ultimately enhancing productivity and efficiency in managing API access permissions.