ReqResp – Offline API Tester

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About ReqResp – Offline API Tester

ReqResp is a fast, lightweight, and modern API testing app designed for developers, testers, and backend engineers.

It helps you create, send, and analyze HTTP requests with ease — anytime, anywhere.

Whether you're debugging an API, testing endpoints, or learning backend development, ReqResp keeps things simple, clean, and powerful.

🚀 Key Features

✅ Support for All Common HTTP Methods

Send GET, POST, PUT, PATCH, DELETE requests effortlessly.

✅ Custom Headers & Body

Add headers, query parameters, and request bodies (JSON, raw text) with full control.

✅ Clean Response Viewer

View formatted responses with status codes, response time, and headers in a readable layout.

✅ Fast & Lightweight

Built for speed with a smooth experience — no clutter, no distractions.

✅ Developer-Friendly UI

Minimal design focused on productivity and clarity.

✅ Perfect for Learning & Debugging

Ideal for students, Flutter/React/Backend developers, and API testers.

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Frequently Asked Questions