8) How to Test RESTful APIs in Postman | RESTful API Tests in Spring Boot | How to use Postman | Step-by-Step API Tests | RESTful API Tests in Postman
Welcome to Learn Code With Saurabh! In this tutorial, we'll guide you through the eighth part of our series, focusing on testing RESTful APIs in Postman. Whether you're a beginner or an experienced developer.
Testing RESTful APIs in Postman is a common practice to validate their functionality. Here are steps to test your Spring Boot REST APIs using Postman:
Start Your Spring Boot Application:
Ensure that your Spring Boot application is running. You should have your RESTful APIs exposed and ready to be tested.
Postman Download: https://www.postman.com/downloads/
Open Postman:
Launch the Postman application on your computer.
Create a New Request:
Click on the "New" button in Postman to create a new request. Choose the appropriate HTTP method (GET, POST, PUT, DELETE, etc.) for the endpoint you want to test.
Enter Request URL:
In the request URL field, enter the endpoint URL of your Spring Boot application API (e.g., http://localhost:8080/api/users). Make sure to replace localhost:8080 with your actual server address and API endpoint.
Set Request Body (for POST/PUT requests):
If you're testing POST, PUT, or PATCH endpoints that require a request body (in JSON, XML, or other formats), switch to the "Body" tab in Postman and enter the request body.
Send Request:
Click the "Send" button to execute the request.
View Response:
Postman will display the response received from your Spring Boot application. Ensure the response status code, headers, and body match the expected output.
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