Postman & Best Alternatives on Kali Linux

Complete guide to install native Postman on Kali Linux (x86_64) + the best native alternatives that work perfectly on both x86_64 and ARM64.

Posted Nov 27, 2025 Updated Nov 27, 2025

6 min read

Postman Installation Guide on Kali Linux

Introduction

Postman is a powerful collaboration platform for API development, simplifying the process of building, testing, and documenting APIs. It allows users to create and save HTTP/S requests, inspect responses, and streamline workflows—making it an essential tool for developers, testers, and teams of any size. Postman is free for basic use and available as a native desktop app for Linux (among other platforms).

This guide focuses on installing the native Linux version on Kali Linux, a Debian-based distribution commonly used for penetration testing and security research. The process is straightforward but assumes a 64-bit x86_64 architecture (Intel/AMD). If you’re on ARM64 (e.g., Raspberry Pi or certain VMs), use the web version at web.postman.co or an alternative like Bruno, as no official ARM64 build exists.

Key Benefits of Installing Postman on Kali:

Offline access to full features.
Integration with Kali’s terminal ecosystem.
Customizable for security-focused API testing.

Prerequisites

Kali Linux (rolling release or stable; tested on 2023+ versions).
Architecture: x86_64 (64-bit). Verify with uname -m (should output x86_64).
Internet connection for download.
Sudo access (default for Kali user).
Tools:tar (pre-installed), nano (install if needed: sudo apt install nano).

No additional dependencies are required—Postman bundles everything.

Step-by-Step Installation Guide

Step 1: Download Postman

Visit the official downloads page: https://www.postman.com/downloads/. Select the Linux (x86_64) version (e.g., Postman-linux-x64-.tar.gz). As of November 2025, the latest is around v11.x—download the .tar.gz file. In the terminal:

cd ~/Downloads

# Download directly 
wget https://dl.pstmn.io/download/latest/linux64 -O Postman-linux-x64-<version>.tar.gz

Step 2: Extract the Archive

Extract the downloaded file:

tar -xzf Postman-linux-x64-*

This creates a Postman folder containing the app and resources.

Step 3: Move to a System Directory

For system-wide access, move the extracted folder to /opt/ (a standard location for third-party apps)

sudo mv Postman /opt/

/opt/ ensures it’s accessible to all users and follows Linux conventions.
Permissions: The folder will be owned by root— this is fine for read/execute.

Step 4: Create a Symbolic Link (Recommended for Terminal Access)

This allows launching Postman with a simple postman command from anywhere:

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

Note: Use /usr/bin/ (not /usr/local/bin/) for broader PATH compatibility.

Verify: ls -l /usr/bin/postman should show the symlink

Step 5: Create a Desktop Entry

This adds Postman to your application menu: Like this

sudo nano /usr/share/applications/postman.desktop

Paste the following content :

[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=postman %U
Icon=/opt/Postman/app/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;Utility;
StartupWMClass=Postman
Comment=API Development Environment

Save and exit (Ctrl+O → Enter → Ctrl+X in nano).

Make it executable: sudo chmod +x /usr/share/applications/postman.desktop.

Step 6: Launch Postman

From Menu: Search for “Postman” in your app launcher.
From Terminal:

postman

First run: It may take a moment to initialize (creates ~/.config/Postman/ for user data). Sign in or create a free account.

Verification

Run postman—the app should open without errors.
Check logs if issues arise: ~/.config/Postman/logs/.
Test: Create a simple GET request to https://httpbin.org/get.

Postman on Linux – Troubleshooting Guide

Issue	Possible Cause	Solution
Exec format error	Wrong architecture (e.g., ARM binary on x86_64)	Download the x86_64 version or use the web app. Verify with: `file /opt/Postman/Postman` → should show ELF 64-bit LSB executable, x86-64
Permission denied	Incorrect ownership of the Postman directory	`bash<br>sudo chown -R $USER:$USER /opt/Postman<br>`
No icon in application menu	Missing or incorrect `.desktop` file	1. Ensure the `Icon=` path is correct in `/usr/share/applications/postman.desktop` 2. Run: `sudo update-desktop-database`
App crashes or closes immediately	GPU/driver issue or first-run initialization	Launch with GPU disabled: `/opt/Postman/Postman --disable-gpu` Check logs: `cat ~/.config/Postman/log.log`
Download fails in browser	Firewall, proxy, or network restrictions	Use terminal: `curl -L https://dl.pstmn.io/download/latest/linux64 -o Postman.tar.gz` or `wget https://dl.pstmn.io/download/latest/linux64 -O Postman.tar.gz`
Stuck on an outdated version	Installed from an old archive	Always download the latest version from: https://www.postman.com/downloads/ Postman will auto-update after the first successful launch

ARM64 Users: No native support. Alternatives: Bruno (sudo apt install bruno) or Insomnia (older .deb versions).
VM-Specific (e.g., VirtualBox): Ensure 3D acceleration is enabled for smoother UI.

Additional Tips

Updates: Postman checks for updates on launch—click “Update” in the app.

Security on Kali: Use Postman’s proxy settings for traffic inspection (integrates well with Burp Suite).

Uninstall:

sudo rm -rf /opt/Postman
sudo rm /usr/bin/postman
sudo rm /usr/share/applications/postman.desktop
rm -rf ~/.config/Postman

Alternatives

Here are the best Postman alternatives that actually work great on Kali Linux (both x86_64 and ARM64), ranked by popularity among pentesters and developers:

Best Postman Alternatives for Kali Linux (2025)

Tool	Native on Kali ARM64?	Offline-first	Free & Open Source	Feels closest to Postman	Install on Kali (1 command)	Notes
Bruno	Yes	Yes	Yes (100% FOSS)	Extremely close	`wget -O bruno.deb https://github.com/usebruno/bruno/releases/latest/download/bruno_latest_$(dpkg --print-architecture).deb && sudo apt install ./bruno.deb`	Fastest growing Postman replacement in 2025. Stores requests in plain files → super Git-friendly
Hoppscotch Desktop	Yes	Yes	Yes	Very close	`sudo snap install hoppscotch`	Beautiful UI, real-time collaboration, excellent GraphQL support
Thunder Client	Yes (VS Code)	Yes	Free (core) / Paid pro	Lightweight Postman	(In VS Code) → Extensions → Search “Thunder Client”	Zero extra windows if you already live in VS Code
Insomnia (2023–2024)	Yes (.deb)	Yes	Previously FOSS	Almost identical to Postman	Download old .deb from GitHub releases (2024.x)	Newer versions removed full offline mode (Kong acquisition)
HTTPie Desktop	Yes	Yes	Yes	Modern & clean	`sudo snap install httpie`	From the creators of the famous `httpie` CLI
Restfox	Yes (AppImage)	Yes	Yes	Minimalist	`wget latest AppImage → chmod +x → ./restfox*.AppImage`	Extremely lightweight, perfect for quick tests
Kreya	Yes (.deb)	Yes	Free (premium features)	Great for gRPC + REST	Download .deb from official site	One of the best tools for gRPC alongside REST
Hoppscotch Web	Yes (browser)	No (web)	Yes	Very similar	Just visit https://hoppscotch.io	No install needed — instant access
Burp Suite Repeater	Yes (built-in)	Yes	Community = Free	For security testing only	Already in Kali → `burpsuite`	Not a full Postman replacement, but unbeatable for pentesting workflows

Top Picks for Most Kali Users

Use Case	Recommended Tool
Best overall Postman replacement (offline + Git-friendly)	Bruno
Already using VS Code all day	Thunder Client
Want something beautiful + team sync	Hoppscotch Desktop
Heavy gRPC work	Kreya

Try Bruno first — 95% of people who switch from Postman on Kali never look back!
→ https://www.usebruno.com

A clean, up-to-date guide to install the native Postman desktop app on Kali Linux (x86_64)

Tested & working on Kali Rolling (2025.x) with Postman 11.73.3+

Important: This guide is for x86_64 (AMD64/Intel) systems only.
If you are on ARM64 (Raspberry Pi, Apple Silicon VM, etc.), there is no official native build. Use Postman Web or install Bruno instead.

One-Liners Installation

  
# Download & extract latest x64 version
cd /tmp && wget https://dl.pstmn.io/download/latest/linux64 -O postman.tar.gz && \
sudo tar -xzf postman.tar.gz -C /opt/

# Create symlink so you can run "postman" from anywhere
sudo ln -sf /opt/Postman/app/Postman /usr/bin/postman

# Add menu entry + icon
sudo bash -c 'cat > /usr/share/applications/postman.desktop <<EOF
[Desktop Entry]
Name=Postman
Comment=API Development Environment
Exec=postman %U
Icon=/opt/Postman/app/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;Utility;
StartupWMClass=Postman
EOF'

# Launch it!
postman

###For Alternative

# 1. Bruno (recommended #1)
wget -O bruno.deb https://github.com/usebruno/bruno/releases/latest/download/bruno_latest_$(dpkg --print-architecture).deb
sudo apt install ./bruno.deb && bruno

# 2. Hoppscotch (snap works on both arches)
sudo snap install hoppscotch

# 3. Thunder Client (if you use VS Code)
code --install-extension rangav.vscode-thunder-client

Learning

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