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The most common advantages of API testing are given below:
1. Test for Core Functionality: API testing provides access to the application with no user interface. This will allow core and code-level of functionalities of the application to be tested even before the GUI tests. This will help identify the minor issues which can become larger during the GUI testing.
2. Time Effective: API testing is usually less time consuming than functional GUI testing. The web elements in GUI testing must be polled that make the testing process pretty laggy.
3. Language-Independent: Data is exchanged using XML or JSON in the API testing. These transfer modes are entirely language-independent, that allows the users to select any code language when they adopt the automation testing services for a project.
4. Easy Integration with GUI: API tests perform highly integrable tests that are particularly useful to perform functional GUI tests after API testing. For example, a simple integration would allow new user accounts to be created within the application before a GUI test is started.
Logan Watt
Mari Popelatske
API testing helps you to make sure that the program fulfills its purpose and can interact correctly with other programs.
Various tools such as API Tester are used for this.
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