It is an interface between so many software programs, which facilitates its works. It usually makes an easy edition and access to different forms of services especially, web design. It is an easy way to operate computer without knowing its internal parts or html base. The full meaning of API is Application Programming Interface
API is the basic way to convert and bring web services together. It can be in forms of auto responders, the regular application, web page and any other application that combines multiple services. Infact, it is the basic of web alignment which everyone can use it without knowing much about IT.
Sometimes, API can be easily defined as the Hypertex Transfer Protocol (HTTP). All websites carries this, that is why it is very important.
Every computer uses API, and those who study its technics can easily build applications, website, softwares and many other computer programs.
