The Sensu Perl SDK by Miguel Ruiz interacts with the API to access monitoring and testing features. It includes an API callback file. As a framework, Sensu provides infrastructure to track progress of health and business applications.
Last week Google announced the introduction of AdWords API Test Accounts, a new method of testing AdWords API requests sent from applications that are in development. AdWords Test Accounts are free to use and allow API requests to be made against the production version of the AdWords API.