How To Use Postman ? (Step By Step Guide)

Postman is a tool that helps developers test and troubleshoot APIs (Application Programming Interfaces). With Postman, you can create, send, and receive HTTP requests, which is essential for testing the functionality of APIs.

In this blog post, we will go through the basics of Postman and how to use it. We will cover the following topics:

1. What is Postman?
2. How to install Postman?
3. How to use Postman?

What is Postman?

Postman is a popular API client that simplifies the process of testing and debugging APIs. It allows developers to create requests, add headers, and test API responses. Postman provides a user-friendly interface for making API calls and is used by developers and testers around the world.

How to install Postman?

Postman can be downloaded and installed for free from the Postman website. Follow the steps below to download and install Postman on your computer:

1. Go to the Postman website at https://www.postman.com/downloads/.
2. Click on the “Download” button for the version of Postman you want to install (Windows, Mac, or Linux).
3. Once the download is complete, open the installation file and follow the on-screen instructions to install Postman on your computer.

How to use Postman?

After installing Postman, you can launch the application to start using it. Here are the basic steps to use Postman:

1. Create a new request by clicking on the “New” button in the top left corner of the screen.
2. Choose the request method (GET, POST, PUT, DELETE) and enter the API endpoint URL.
3. Add headers, parameters, and other request details if needed.
4. Click on the Send button to send the request to the API server.
5. View the response from the API server in the response section.

Here is a more detailed explanation of each step:

Step 1: Create a new request

To create a new request, click on the New button in the top left corner of the screen. This will open a new tab where you can start building your request.

After that you can see like below photo

Step 2: Choose the request method and enter the API endpoint URL

ENDPOINT : http://127.0.0.1:8000/get-all/

Choose the request method (GET, POST, PUT, DELETE) from the drop-down menu and enter the API endpoint URL in the address bar.

Step 3: Add headers, parameters, and other request details

If your API requires additional headers or parameters, you can add them in the Headers and Params tabs respectively. You can also add a request body in the Body tab.

Step 4: Click on the “Send” button

Once you have added all the necessary details to your request, click on the Send button to send the request to the API server.

Step 5: View the response

After sending the request, you will see the response from the API server in the Response section. You can view the response body, headers and other details in this section.

Conclusion

In conclusion, Postman is an essential tool for any developer who is working with APIs. It simplifies the process of testing and debugging APIs, allowing developers to save time and increase productivity. With its user-friendly interface and powerful features, Postman is a must-have tool for any API development project.