What are API calls used for?
"API calls" have no specific question; the term API simply means application programming interface, and to call an API simply means to invoke a function (or subroutine) from a computer program. Each API call is different in how it is called (e.g. does it require any parameters, and of so, which), when (e.g. can it be called at any time and under all circumstances), what it does and what it returns to the caller. API…
Is an API the same thing as an XML feed?
API: Application Programming Interface, or Available Public Interface It is a general term to what is available for one software unit to interact with another one. Usually APIs are method signatures (contracts). XML feed is just an XML (in a file or a textual data type such as a string). It may not have anything to do with API, or in some ways to describe an API. It may be a part of the API…