I got tired of Postman's cloud sync and RAM bloat, so I built an offline, Rust-native alternative

Описание и применение

ReqX – быстрый, полностью офлайн‑приложение для тестирования API, построенное на Rust и Tauri, устраняющее ограничения Postman и потребление памяти.

Задача

Postman’s recent updates forced mandatory cloud logins, added telemetry, limited the collection runner to 25 runs/month, and consumed over 1.2 GB of RAM on heavy Electron runtimes, making it unsuitable for developers needing a fast, private, and organized API client for 30+ microservices.

Результат

ReqX delivers a fast, private, and organized API testing experience with sub‑second startup, <100 MB RAM, unlimited runner, and native Git workspace export, eliminating Postman’s cloud dependency and performance bottlenecks.

Рабочий процесс

• Export Postman collection (v2.1).
• Open ReqX and click Import.
• Verify that requests, folders, environments, and pm.* test scripts run immediately. (3‑second migration)

Доказательства

Postman was my go‑to tool for API testing… mandatory cloud account logins, telemetry tracking, runner restrictions (limited to 25 runs/mo), and eating upwards of 1.2 GB of RAM on heavy Electron runtimes.

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ReqX introduces Project Directories: Group related collections into parent folders ([ERP System] -> Inventory API, Billing API, Auth API).

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Sub‑second startup (~0.8s) vs 10+ seconds on Postman.

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Memory footprint under 100MB RAM (built with native Rust & WebAssembly).

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ReqX exports clean directory JSON structures that you can commit straight to your team's Git repo without merge conflicts.

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ReqX ships with a dedicated 600KB CLI (reqx run) to automate collection tests in GitHub Actions, GitLab CI, or Jenkins.

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