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An Application Programming Interface (API) is a source code-based specification intended to be used as an interface by software components to communicate with each other. An API may include specifications for routines, data structures, object classes, and variables. An API specification can take many forms, including an International Standard such as POSIX or vendor documentation such as the Microsoft Windows API, or the libraries of a programming language, e.g. Standard Template Library in C++ or Java API.
The Card Verification Value (CVV or CVV2), card security code (CSC), sometimes called Card Verification Data (CVD), Card Verification Value Code (CVVC), Card Verification Code (CVC or CVC2), Verification Code (V-Code or V Code), or Card Code Verification (CCV) are different terms for security features for credit or debit card transactions, providing increased protection against credit card fraud.
Requests a representation of the specified resource. Requests using GET should only retrieve data and should have no other effect. (This is also true of some other HTTP methods.) The W3C has published guidance principles on this distinction, saying, "Web application design should be informed by the above principles, but also by the relevant limitations." See safe methods below.
Portable Document Format (PDF) is an open standard for document exchange. This file format, created by Adobe Systems in 1993, is used for representing documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.
Submits data to be processed (e.g., from an HTML form) to the identified resource. The data is included in the body of the request. This may result in the creation of a new resource or the updates of existing resources or both.
When any servers status is set to "Provisioning", what this means is that the server is currently being setup and installed with all the data, software and to make it ready for network operation.