What is API Testing?

Application Programming Interface or API is basically a set of processes and functions which make the interaction amongst two components of the software application possible. API has access to features and data of the operating system, application, other services etc. It is thus a tool used by developers to fetch data with a certain application. It is generally used to check if the output which comes from the first application is of use to another application.

API Testing thus refers to testing of software which aims to find if the developed APIs meet all expectations in terms of functionality, performance, reliability and even security of the application. It determines the return value or response.


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