Products/Developer Tools/REST Client APIsHub Firefox AddonSunsetVC Report ↗

REST Client APIsHub Firefox Addon

A lightweight Firefox extension designed for developers to test and debug APIs with a clean, intuitive interface

Developer Tools·Launched Apr 2026·0 upvotes·addons.mozilla.org

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DEAD (404)since Jun 16, 2026 · HTTP 404

CohortClass of 2026

What it is

A lightweight Firefox extension designed for developers to test and debug APIs with a clean, intuitive interface. Simplifies the API testing workflow by eliminating the need for external tools while maintaining essential functionality for request building and response inspection.

HTTP liveness

8 probes since Jun 16

Jun 16Jul 15

AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub

Jun 16, 2026
First probe — down
Dead · 404
May 21, 2026
The Verge
Firefox is working on a rounded redesign with easy-to-find controls for privacy and AI

Press mentions

1 lifetime · 1 shown

Thu
May 21

The Verge

Firefox is working on a rounded redesign with easy-to-find controls for privacy and AI

theverge.com·Mozilla is redesigning Firefox with rounded UI elements, refreshed colors, and improved privacy controls under Project Nova.

+1.00

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