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Tutorials, product updates, and deep dives on fast, local-first API testing.

Latest Posts

WebSocket Support is Live in Postmate Client — Free, Local, Native to VS Code

May 17, 2026 · 3 min read

How to test api with 50 different inputs

April 24, 2026 · 5 min read

Still manually editing the same API request 50 times to test different inputs? There's a faster way inside VS Code — no scripts, no loops, no Postman gymnastics.

Postmate Client: A Privacy-First Postman Alternative for VS Code

April 25, 2026 · 6 min read

A fast, privacy-first Postman alternative that runs natively inside VS Code — no login, no cloud sync, no context switching.

7 Best Free Postman Alternatives for Developers in 2026

April 26, 2026 · 5 min read

A 2026 guide to the 7 best free Postman alternatives for developers — featuring lightweight, local-first, and open-source API clients.

How to Compare JSON Responses: 3 Practical Methods

April 29, 2026 · 5 min read

Three practical ways to compare JSON responses: online diff tools, custom scripts, and Postmate Client — with tradeoffs for each.

Postmate Client vs Postman vs Thunder Client: Scripting Compared

May 25, 2026 · 8 min read

A complete guide to writing pre and post-request scripts in VS Code with Postmate Client — Postman-compatible pm library, response-aware IntelliSense, and JSON Schema validation built in.