Explore the process of creating RESTful web services using Grails 3 in this informative conference talk. Learn about the key features of Grails 3, including the Web API profile, and discover how to efficiently build a RESTful API. Dive into topics such as data modeling, endpoint creation, resource annotations, RESTful controllers, URI customization, HTTP methods, media types, custom response formats, JSON rendering, and API versioning. Gain insights into integrating security measures and understand why Grails is an easy and efficient framework for developing RESTful APIs. Suitable for developers with basic REST knowledge and experience with web application frameworks.