Click Body (1), then click raw (2), choose JSON (3) and enter employee information in JSON format (4) - as shown below: Then click Send button to make API call to the server. Request URL: localhost:8080/employeesAnd you need to specify employee information in the body of the request. Use Postman to Test Create REST APIsSuppose that you want to test a creation API for adding a new employee on localhost with the end point path localhost:8080/employees, add a new request to the current collection with: That makes API testing with Postman a breeze.ĥ. For the request, you can modify parameters, authorization, headers, body… easily. And you can also explore various details of response visually - very convenient. You’ll see the response sent from the server looks like as follows: As you can see, it formats JSON document of the request’s body so you can read it easily. Request URL: localhost:8080/employeesClick Send button to make call to the server. Use Postman to Test Retrieval REST APIsSuppose that you want to test an API for getting information about employees (retrieval API) on localhost with the end point path localhost:8080/employees, add a new request to the current collection with: The following screenshot shows the appearance of workspace (orange), collections (blue) and requests (black) in Postman desktop app: Let create a new workspace (personal) and create a collection.Ĥ. So in Postman, you create a workspace, create collections in the workspace, and add requests to collections. You create and send requests to test REST APIs. Requests: a request is a test for an API end point.You can apply configurations which are common to all requests in a collection. Collections: in a workspace, you organize a group of related API requests in a collection.The default one when you get started with Postman is personal workspace. Postman defines 3 types of workspaces: personal, team and public. Workspaces: help you organize your API work and collaborate with other users.Understand Key Concepts in PostmanFor testing REST APIs in Postman, you need to know three main concepts: workspaces, collections and requests. And the web and desktop apps are synced in realtime so you can move between them seamlessly.ģ. You can also sign up with your Google account.
Postman web api install#
That means you have to download and install the Postman app for desktop, which is free for collaboration up to 3 users.Note that you have to create a Postman account in order to use Postman. Both having very similar user interfaces but you can’t test APIs on localhost with the web app. Ho w to Get Postman AppYou can use Postman on the web or Postman on desktop. In my daily working, I use both curl and Postman (curl for quick and simple testing and Postman for more advanced testing).Ģ.
You can also save API calls for later use, and even share them with other people.Having said that, Postman making APIs testing much easier, more convenient and more intuitive than curl. Using Postman, you can easily make API calls, modify all details of a request (parameters, body, headers, authorization…) and examine all details of a response (body, headers, cookies, pretty JSON, …).
Whereas Postman is available on the web and desktop with intuitive and easy-to-use UI. Why REST APIs Testing with PostmanIn REST APIs development, you can use curl for testing your APIs, but it is very limited due to command line environment. You can also consider this article as an introductory guide to Postman for API developers and testers.
Postman web api how to#
So I’d love writing this guide to help you understand how to use Postman for testing REST APIs in your daily work.In details, you will learn how to test CRUD APIs (Create, Retrieve, Update and Delete) using Postman API client which is the foundation tool of Postman platform. Postman is a popular platform for designing, developing and testing APIs, and developers love using Postman for testing REST APIs because of its intuitive, easy-to-use user interface and comprehensive features.
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