Restfox

Spec sheet

Purpose

Restfox describes itself as an offline-first, minimalistic HTTP and socket testing client for web and desktop.Read 11 Oct 2026 · github.com

Available platforms

web_and_desktopRead 20 Sep 2026 · restfox.dev

Automated tests

Restfox supports JavaScript automation test scripts to assert API behavior.Read 11 Oct 2026 · docs.restfox.dev

Collection interoperability

The web app menu offers export options for Restfox, Postman, and Insomnia collections.Read 11 Oct 2026 · restfox.dev

Desktop distribution

The README describes installation options for macOS, Windows, and Linux distributions, including Homebrew, Scoop, Snap, and release binaries.Read 11 Oct 2026 · github.com

Environment variables

A plugin can parse a response and set an environment variable, such as saving an access token for later requests.Read 11 Oct 2026 · docs.restfox.dev

Notable limit

The documented plugin method for reading a local file is marked desktop-only.Read 11 Oct 2026 · docs.restfox.dev

Open source

GitHub identifies the project as licensed under the MIT License.Read 11 Oct 2026 · github.com

Plugins

Plugins can modify request and response data, set environment variables from responses, and run tests.Read 11 Oct 2026 · docs.restfox.dev

Request and response scripting

Plugin methods include reading and changing request methods, URLs, headers, query parameters, and bodies, as well as reading and changing response data.Read 11 Oct 2026 · docs.restfox.dev

Request types

The web app offers HTTP, GraphQL, and WebSocket request types.Read 11 Oct 2026 · restfox.dev

Response history

The project README lists response history among the app’s interface features.Read 11 Oct 2026 · github.com

Self-hosting

The README provides Docker and Docker Compose instructions for running the web app on port 4004 by default.Read 11 Oct 2026 · github.com

WebSocket support

YesRead 20 Sep 2026 · restfox.dev

Plans and prices

Every Restfox plan and price →

Where Specifiction places it

• API clients#30 of 387.8