This will check if the ID of the received object is the same as request ID(8863). Then, type out the following test in JavaScript. Writing your own API testįirst select the Tests tab, as shown below:įor this, let us use a open API available on GitHub (copy and paste this into the URL tab).
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Feel free to explore the tool to understand the best fit for you. There are various kinds of tests that can be created in Postman. The response can be viewed in various formats which can be chosen from the following drop down list: We do this by typing into the URL tabĪfter this, click on the Send button to receive the response. JSONPlaceholder comes with the following resources. JSONPlaceholder is a simple fake REST API that is used exclusively for testing. The process of testing API can be understood further through the following simple example. The response can be saved using the send button next to it. The blue send button on the right side, is used to send the request to the URL and receive response. For example, body information or header information. We can switch through the tabs to view the different information. You can select API call method from the given drop down list, set Authorization, Header, Body information according to the selected call. Postman provides several API call options (shown below) that can be used to test APIs of application. Understanding Postman API testing interface: When the application starts for the first time, users will be presented with a login window. After the installation is over, launch the application by clicking the Postman icon.Ĥ. Once it has been downloaded, double-click the installer and follow the prompts.ģ. Download the app from the Postman website.Ģ.It is very transparent with the data received and its interpretation. Postman makes it easy to debug APIs through testing. This saves time and effort by reducing redundancy. The options like Collection Runner or Newman enables the user to run tests in iterative loops. This is useful especially when you need to the test the API in one particular response. The user has the autonomy to choose the test checkpoints.
When this is coupled with sub folders and requests, it helps the user keep tab easily. To organised your test suites you can create collections with Postman. This is an attractive feature to access files from various locations and collaborate with others. You can log into your account from anywhere, anytime as long as a Postman application is installed on the computer. Why Use Postman API testing? Ease of Access The user interface of Postman API testing is easy to understand even for a beginner, and you don’t even have to type in too much code. This is a very useful tool if you are trying to understand REST APIs available or test the ones that you made.
It does this by sending a request to the web server and checking the response. Postman is an application for testing APIs. The testing can determine whether it is well-structured and useful on basis of request parameter, the time taken. API testing involves testing the collection of APIs to see if they meet return accurate response.
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This aids various software components to interact with each other. It is a set of rules, which defines methods of communication. API is an abbreviation for Application Programming Interface. Before we get in to what Postman API testing is and how you can begin to use it, we first need to understand what an API is.