Install Postmate Client in VS Code

Postmate Client is a free API testing extension for Visual Studio Code — a lightweight Postman alternative that runs entirely locally. No login, no cloud sync, no account required.

Install in seconds using any of the three methods below.

Option 1: VS Code Marketplace (Recommended)

1. Open Visual Studio Code.
2. Go to the Extensions panel (Ctrl+Shift+X / ⌘⇧X).
3. Search for Postmate Client.
4. Click Install.

Or install directly: Open in VS Code Marketplace ↗

Option 2: Quick Open

1. Press Ctrl+P (or ⌘P) to open Quick Open.
2. Paste the following and press Enter:

ext install PostMate-lab.postmate

Option 3: Command Line

code --install-extension PostMate-lab.postmate

After Installation

• The Postmate Client icon appears in the VS Code Activity Bar.
• Click it to open the panel — no reload needed.
• Send your first API request immediately.

INFO

No reload required. Postmate Client activates instantly after install.

System Requirements

Requirement	Minimum
Visual Studio Code	v1.75.0 or later
Operating System	Windows, macOS, Linux
External Runtime	None

Why Postmate Client?

• 100% local — no cloud, no telemetry
• No login or account required
• REST, GraphQL, and WebSocket support
• Import from Postman, Swagger, or cURL
• Lightweight and fast inside VS Code

👉 Ready to test your first API? See the Quick Start Guide.