The Google Classroom .NET Sample Code by Google demonstrates how to interact with the API in a quick start guide. Contents explain how to enable the Classroom API, prepare the project, set up the sample, and run the sample. Documentation available for further development.
Online diagramming service Creately opened its Creately API to the public this month, and with some surprisingly innovative features. While providing obvious features to make its service available to outside developers, and several "above and beyond" features, such as easy embedding of diagrams, Creately has done something fairly unique: open up its own, web-based file format for other developers to use.
GitHub announced at the 2016 GitHub Universe conference in San Francisco a major platform update featuring a number of improvements including the introduction of Projects, availability of Reviews on all pull requests, early access to Integrations, and early access to the GitHub GraphQL API.
Google has updated the APIs for Google Sheets and Google Slides, giving developers access to advanced tools such as image recognition, speech recognition, location and maps, and email and calendaring. Together with the Classroom API, enterprise developers have far more control over business apps.