API is also known as Application Programming Interface and it described as the procedures that permit one application to connect along with other programs. Also, the API is a language that permits one program to transfer information to another program, ensuring that they both identify each other. Applying the API, your website or application 'gains' all the information that will available to you via the API programs.

The API is widely applied by all the major companies worldwide as the API is a program that allows them to update and sync the current functionalities with their own choices. APIs are becoming increasingly popular since major companies now have their own API which allows you to easily access their data.

API is highly efficient and is primarily used for the purpose of online applications and sites. The API works by granting its visitors and customers an opportunity to access the required data available on a particular site. Such a program makes your website more easily assessable and assists in joining with the other programs and giving or requesting information.

For instance, when you use your Twitter account to register on any other site. The set up that assists in connecting both the sites is called the API. Yet another illustration for this is when a online cart provides you with the shipping price of a company. The API's allows you to conveniently publish the shipping company details on the shopping cart website.

The time taken for integrating the API varies depending upon how complicated the API is. Most of the APIs come with the required information for you to work on. In other instances an API is just a specification of remote calls.