Postman is a widely used API development tool that helps developers and testers build, test, and manage APIs through an intuitive interface. It is available as a native application for Ubuntu and can be installed using multiple package managers. This guide explains how to install Postman on Ubuntu using both Snap and Flatpak (Flathub).
- Supports installation using Snap and Flatpak (Flathub).
- Provides a native environment for API development and testing.
- Simple installation process for Ubuntu users.
Prerequisites
Before installing Postman on Ubuntu, ensure that your system meets the following prerequisites:
- Ubuntu 20.04 LTS or later.
- A user account with sudo (administrator) privileges.
- A stable internet connection.
- Access to Snap or Flatpak, depending on the installation method.
System Requirements
Ensure your Ubuntu system meets the following requirements before installing Postman:
- Operating System: Ubuntu 20.04 LTS or later (64-bit)
- Processor: Dual-core processor or higher
- Memory (RAM): Minimum 4 GB (8 GB recommended)
- Storage: At least 500 MB of free disk space
- Internet Connection: Required for downloading packages
How to Install Postman on Ubuntu?
Postman can be installed on Ubuntu using Snap or Flatpak (Flathub). Choose the installation method that best suits your environment.
Method 1: Install Postman Using Snap
Snap is the recommended and simplest way to install Postman on Ubuntu. It automatically installs the required dependencies and keeps the application up to date.
Step 1: Install Snap
Most Ubuntu versions include Snap (snapd) by default. If it is not installed, run the following command:
sudo apt install snapd

Note: If
snapdis already installed, the terminal displays a message similar to the one shown below.
Step 2: Install Postman Using Snap
Install Postman by running the following command:
sudo snap install postman
The package manager downloads and installs the latest stable version of Postman.
Step 3: Launch Postman
After the installation is complete, launch Postman using:
postman
Method 2: Install Postman Using Flatpak (Flathub)
Flatpak is a universal package management system for Linux that allows you to install applications in a secure, sandboxed environment. Flathub is the official repository for Flatpak applications, including Postman.
Step 1: Install Flatpak
If Flatpak is not already installed on your Ubuntu system, run the following commands:
sudo apt update
sudo apt install flatpak
If prompted, type Y and press Enter to continue.

Step 2: Add the Flathub Repository
Add the Flathub repository by running:
sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
This command adds Flathub as a source for downloading Flatpak applications.
Step 3: Install Postman Using Flatpak
Run the following command to install Postman:
flatpak install flathub com.getpostman.Postman
When prompted, type Y and press Enter to begin the installation.

Step 4: Launch Postman
After the installation is complete, open Postman from the Applications menu or launch it using:
flatpak run com.getpostman.Postman

Step 5: Verify the Installation
When Postman opens successfully, the welcome or sign-in screen appears, confirming that the installation was successful.

Common Installation Issues and Solutions
| Issue | Solution |
|---|---|
| snap: command not found | Install Snap by running sudo apt update followed by sudo apt install snapd. |
| flatpak: command not found | Install Flatpak using sudo apt update and sudo apt install flatpak. |
| Permission denied | Ensure you are using a user account with sudo privileges when running installation commands. |
| Postman does not launch | Restart your system or launch Postman from the terminal using postman (Snap) or flatpak run com.getpostman.Postman (Flatpak). |
| Application not visible in the Applications menu | Log out and log back in, or restart your system to refresh the desktop application list. |
| Network or download errors | Check your internet connection and verify that the Snap Store or Flathub repository is accessible before retrying the installation. |