How to display Image in Postman using Express ? - GeeksforGeeks (2024)

Last Updated : 05 Jan, 2024

Improve

Postman is a powerful tool for testing APIs, but when it comes to displaying images, it can be a little bit tricky. This article, the process of setting up an Express server to serve images and accessing them using Postman.

Prerequisites:

Steps to display Image in Postman:

Step 1: Image Preparation

Place your image file (e.g., ‘image.jpg’) inside the ‘images’ directory.

Step 2: Install Dependencies

Open your terminal, navigate to the project directory, and install the required dependencies.

npm init -ynpm install express

Step 3: Create the Express.js Server by Creating a file named “server.js“.

Project Structure:

How to display Image in Postman using Express ? - GeeksforGeeks (1)

Folder Structure

Example: Write the following code in server.js file.

Javascript

const express = require('express');

const path = require('path');

const app = express();

// Serve static files from the 'images' directory

app.use('/images', express.static(path.join(__dirname, 'images')));

// Define a route to handle API requests

app.get('/api/images/:imageName', (req, res) => {

const imageName = req.params.imageName;

// Construct the file path based on the requested image name

const imagePath = path.join(__dirname, 'images', imageName);

// Check if the file exists

if (require('fs').existsSync(imagePath)) {

// If the file exists, send it as a response

res.sendFile(imagePath);

} else {

// If the file doesn't exist, return a 404 error

res.status(404).send('Image not found');

}

});

// Start the server on port 3000

const PORT = process.env.PORT || 3000;

app.listen(PORT, () => {

console.log(`Server is running on port ${PORT}`);

});

Step to test the application

Step 1: Start the Server

Run the server using the following command:

node server.js

Step 2: Test with Postman

Open Postman and create a new request make a GET request to:

http://localhost:3000/api/images/geek.jpg (replace 'geek.jpg' with the actual image name).

Output: If everything is set up correctly, you should receive the image as a response. If not, double-check the image path, file name, and server configuration.

How to display Image in Postman using Express ? - GeeksforGeeks (2)

Output for display image in postman



Like Article

Suggest improvement

Share your thoughts in the comments

Please Login to comment...

How to display Image in Postman using Express ? - GeeksforGeeks (2024)

FAQs

How to import an image in NodeJS? ›

The uploads directory must be set to a valid location before making uploads. The path can be any folder that is accessible and writable. If the uploaded image passes the validation step, the server responds with a JSON object containing a link to the uploaded file.

How do I display an image from an API? ›

Extract the image URL from the response data and create an <img> tag with the src attribute set to the image URL. Append the <img> tag to the container element. Since the response we will receive is a stream, we need to convert it into an image link that we can use to display the image.

How do you Visualize images in Postman? ›

The Postman Visualizer provides a programmable way to visually represent your request responses. Visualization code added to the Tests for a request will render in the Visualize tab for the response body, alongside the Pretty, Raw, and Preview options.

How to send an image with JSON? ›

Send the image in the data as a BASE64 encoded binary representation. In JSON format, the data would look like this: "logoImage":"image:base64:iVBORw0KGgoAAAA... " Note that the data must have "image:base64:" appended before the BASE64 data string.

How to serve images in Express? ›

This makes it easy to serve files such as images, CSS files, and client-side JavaScript files to the client without having to write custom code. Simply specify the directory path using express. static() and mount it to the root path of your application using app. use().

How to fetch data from API in node js express? ›

To use the NodeJS Fetch API, we need to call the fetch() method as we do on the client side. fetch(url[, options]); The url parameter is the URL of the host from which we want to fetch the resource.

How to add an image through js? ›

An image in JavaScript can be represented by an Image object. You can create a new image instance using the new Image() constructor or by referencing an existing image in the DOM using document. createElement('img') .

How do I post an image in Post API? ›

You should upload the file and get the url to the file, then post it. This worked for me: r = requests. post(f'{rooturl}/uploads. json', files = {'files[]': (file, open(file, 'rb'), 'image/png')}, data={'type':'image'}, headers={ "Api-Username" : sys.

How do you display an image in Java? ›

The image can be drawn using the paint() method. In the main method, create a frame and a ShowImage object. Display the image on the frame by adding this object to the content pane, setting the size of the frame, and defining visibility mode is true.

Top Articles
Is 300 Mbps Fast? [Analysis for Gaming, Streaming, & More]
Discord - Droplr - App Reviews
Jack Doherty Lpsg
Fan Van Ari Alectra
Play FETCH GAMES for Free!
Visitor Information | Medical Center
Sandrail Options and Accessories
Lost Ark Thar Rapport Unlock
Mylaheychart Login
Sportsman Warehouse Cda
Meg 2: The Trench Showtimes Near Phoenix Theatres Laurel Park
Dark Souls 2 Soft Cap
Moe Gangat Age
Persona 4 Golden Taotie Fusion Calculator
Wildflower1967
Labor Gigs On Craigslist
Byte Delta Dental
Equibase | International Results
Iroquois Amphitheater Louisville Ky Seating Chart
Ppm Claims Amynta
Target Minute Clinic Hours
Does Hunter Schafer Have A Dick
Fleet Farm Brainerd Mn Hours
Inkwell, pen rests and nib boxes made of pewter, glass and porcelain.
How do you get noble pursuit?
Kristy Ann Spillane
Proto Ultima Exoplating
1475 Akron Way Forney Tx 75126
Have you seen this child? Caroline Victoria Teague
Kaiserhrconnect
Lil Durk's Brother DThang Killed in Harvey, Illinois, ME Confirms
Most popular Indian web series of 2022 (so far) as per IMDb: Rocket Boys, Panchayat, Mai in top 10
Truis Bank Near Me
Gyeon Jahee
Teenage Jobs Hiring Immediately
Metra Schedule Ravinia To Chicago
Greater Keene Men's Softball
Srg Senior Living Yardi Elearning Login
Ferguson Employee Pipeline
Bartow Qpublic
Go Bananas Wareham Ma
Post A Bid Monticello Mn
Tableaux, mobilier et objets d'art
Walmart 24 Hrs Pharmacy
Das schönste Comeback des Jahres: Warum die Vengaboys nie wieder gehen dürfen
The Largest Banks - ​​How to Transfer Money With Only Card Number and CVV (2024)
Upcoming Live Online Auctions - Online Hunting Auctions
Blog Pch
Wvu Workday
Strange World Showtimes Near Century Federal Way
Ubg98.Github.io Unblocked
Lake County Fl Trash Pickup Schedule
Latest Posts
Article information

Author: Edmund Hettinger DC

Last Updated:

Views: 5852

Rating: 4.8 / 5 (78 voted)

Reviews: 85% of readers found this page helpful

Author information

Name: Edmund Hettinger DC

Birthday: 1994-08-17

Address: 2033 Gerhold Pine, Port Jocelyn, VA 12101-5654

Phone: +8524399971620

Job: Central Manufacturing Supervisor

Hobby: Jogging, Metalworking, Tai chi, Shopping, Puzzles, Rock climbing, Crocheting

Introduction: My name is Edmund Hettinger DC, I am a adventurous, colorful, gifted, determined, precious, open, colorful person who loves writing and wants to share my knowledge and understanding with you.