Postman is a popular tool to test and develop API that simplifies sending requests, inspecting responses, and automating workflows. It is popularly used by developers, testers, and DevOps engineers to interact with APIs. Postman offers support for REST, GraphQL, SOAP, and other protocols, making it a versatile tool for API development and debugging. 

Before you install Postman on your system, ensure that your environment meets the following requirements. 

System Requirements

Operating System: Windows, macOS, or Linux (Debian-based, RPM-based, or Arch-based)

Memory: At least 4GB RAM (8GB recommended for smooth performance)

Storage: 200MB of free disk space

Network: Active internet connection for installation and updates

Installing Dependencies (For Linux Users)

Ubuntu/Debian: Ensure snapd is installed for Snap package installation.
sudo apt update && sudo apt install snapd

Arch Linux: Ensure yay or pacman is set up for AUR installations.

You can install Postman on Linux using multiple different methods, depending on your distribution and preference. Here are the step-by-step installation methods:  

Install Postman via Snap (Recommended for Ubuntu & Debian-based Distros)

Snap provides an easy way to install Postman with automatic updates. 

Ensure snapd is installed, using these commands: 

sudo apt update && sudo apt install snapd

snap install postman

Tech Delivered to Your Inbox!

Get exclusive access to all things tech-savvy, and be the first to receive 

the latest updates directly in your inbox.

Install Postman by running the following command: 

sudo snap install postman

Verify the installation

snap list | grep postman

Lastly, run Postman by: 

postman

Install Postman via APT (For Debian/Ubuntu without Snap)

If you prefer manual installation for Postman, use APT: 

Download the latest Postman tarball:

wget https://dl.pstmn.io/download/latest/linux64 -O postman.tar.gz

Extract the file

sudo tar -xvf postman.tar.gz -C /opt/

Create a symbolic link

sudo ln -s /opt/Postman/Postman /usr/local/bin/postman

Run Postman

postman

Install Postman via Flatpak (Alternative for Fedora, openSUSE, and Others)

Flatpak provides a universal method to install Postman on various distributions. 

Install Flatpak (if not already installed)

sudo dnf install flatpak

Enhance Your CyerPanel Experience Today!

Discover a world of enhanced features and show your support for our ongoing development with CyberPanel add-ons. Elevate your experience today!

Learn More

Add the Flathub repository

flatpak remote-add –if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

Install Postman

flatpak install flathub com.getpostman.Postman

Run Postman

flatpak run com.getpostman.Postman

Installing Postman Manually (Tar.gz) for Any Linux Distro

Lastly, you can install Postman using Tar.gz for any Linux Distro. 

Download the latest Postman package

wget https://dl.pstmn.io/download/latest/linux64 -O postman.tar.gz

Extract it to /opt/

sudo tar -xvf postman.tar.gz -C /opt/

Create a symlink for easier execution

sudo ln -s /opt/Postman/Postman /usr/local/bin/postman

Run Postman

postman

You can install Postman on Windows using the official installer, which provides a simple setup process. Following the steps below to install Postman on Windows. 

Downloading Postman for Windows

Visit the official Postman website, click on the Windows (64-bit) download option, and .exe installer will start downloading. 

Installing Postman Using the Installer

Locate the downloaded Postman-win64.exe file, double-click on the installer to start installation, and wait for it to start automatically. Once the installation is complete, Postman will launch itself. 

Verifying the Installation

Open Postman from the start menu or by searching for “Postman” in the Windows search bar. If Postman launches successfully, the installation is complete.

To install Postman on macOS, you can either use Homebrew or manually download the application. 

Install Postman Using Homebrew (Recommended)

Homebrew is a package manager that simplifies the installation by ensuring automatic updates for Postman. 

Open the Terminal and run the following command to install Postman: 

brew install –cask postman

Once the package is installed, you can launch Postman from the Launchpad or by running. 

open /Applications/Postman.app

Download and Install Postman Manually

If you prefer to manually download, use the following steps: 

Verifying the Installation

Open Postman from the Launchpad or run using this command:
open /Applications/Postman.app

If you are no longer using Postman, you can uninstall it from your system with different methods based on your operating system. 

Uninstalling Postman on Linux

Here is how you can uninstall Postman on the Linux system. 

Using Snap (For Ubuntu & Debian-based Systems)

sudo snap remove postman

Using Flatpak (For Fedora & Other Flatpak Users)

flatpak uninstall com.getpostman.Postman

Manual Uninstallation (Tar.gz Installation)

Remove the Postman directory, using the command:
sudo rm -rf /opt/Postman

Delete the symlink (if created)

sudo rm /usr/local/bin/postman

Uninstalling Postman on Windows

From the control panel, visit programs & features, find Postman, and click on uninstall. From the command prompt, run the command: 

wmic product where name=”Postman” call uninstall

Uninstalling Postman on macOS

Using Homebrew, run the command: 

brew uninstall –cask postman

To remove manually, open the applications folder, and drag Postman.app to the trash. Later, remove the configuration files:
rm -rf ~/Library/Application\ Support/Postman

You can easily install Postman on Linux, macOS, and Windows easily using these simple steps and package managers. Alternatively, you can opt for manual downloads. This troubleshooting cheat sheet will also help you solve any issues by yourself. 

1. What is Postman used for?

Postman is an API development and testing tool that allows users to send requests, automate workflows, and collaborate on API projects.

2. Why is Postman not launching after installation?

This could be due to corrupt installation files or missing dependencies. Try reinstalling Postman or deleting its cache and configuration files.

3. Can I update Postman automatically?

Yes, if you installed Postman via Snap (Linux), Homebrew (macOS), or the Windows installer, it updates automatically.