There are three birthstones for the month of December: tanzanite, zircon and turquoise. All three of these stones are a deep blue color and have their own history and chemical composition. One of the more interesting of the three is tanzanite, a gem you may not have heard of before.
For other uses, see Interface (disambiguation) Â§ Computing. In computing, an interface is a shared boundary across which two separate components of a computer system exchange information. The exchange can be between software, computer hardware, peripheral devices, humans and combinations of these.
An application-programming interface (API) is a set of programming instructions and standards for accessing a Web-based software application or Web tool. A software company releases its API to the public so that other software developers can design products that are powered by its service.