Posted by Pepper Lebeck-Jobe, Classroom API Tech Lead (Cross-posted on the Google for Education Blog .) Classroom debuted last year to help teachers and students save time and collaborate with each other, and since then we’ve been working on how to make sure it worked well with other products that educators love and use in their classes. Starting today, developers can embed the Classroom share button and sign up for the developer preview of the Classroom API.