The Google Shopping Content Java SDK by Google aims to simplify API calls. An example shows hot to interact with Google Calendar, which can be useful to work with the Google Shopping Content API. Authentication Auth 2.0 intends to reduce the amount of code needed. See documentation available at https://github.com/google/google-api-java-client#Documentation
InviteBox, social referral program, allows merchants, bloggers, developers (and anybody else with a web presence) to refer friends and customers to recommended products. Users can take advantage of pre-determined referral offers (e.g. coupons, promo codes, free products, cash incentives, etc.) or create custom incentive programs. InviteBox offers all the needed moving parts from creating the referral program to implementation, and the analytics to measure success. Users can simply insert a widget into a website or utilize the Reward Callback API.
Box has introduced the Box File Collaboration API, a new API that allows developers to manage access to files in applications. Developers can now control which users can access specific files. The API was created to support a recent update to the Box Notes collaborative note taking application.