A REST application may be explored through discovery of resources and exercising of methods. A user interface displays a graphical representation of the REST application based on a model constructed in memory. User input selects a resource. Methods associated with the selected resource are displayed. A user may select a method and provide input. A request is automatically sent to the server based on the selected method. A representation of the response to the request is displayed on the user interface, allowing the user to further explore the application.