The Cronofy Ruby SDK by Cronofy allows API communication to access calendar syncing data. It is useful to integrate with Google, iCloud, Exchange, Office 365, and Outlook. Installation and usage available. See on GitHub how to create a client to make API calls.
Setster, appointment software provider, announced Release 2.0 of the Setster API that expands its functionality and reach. The API allows partners and customers to build fully integrated, custom booking solutions within existing applications and tools. The added features allow developers to enjoy a completely automated management environment with regards to the Setster feature set of its solution.
Synching up events and appointments onto a calendar can be an arduous task. Luckily, ProgrammableWeb provides a huge list of APIs, or Application Programming Interfaces, to help developers who want to create or enhance calendar applications. Here are the 11 most popular ones.