Who should use EndPointer?

EndPointer is a B2B product built for developers, security researchers, and web application testers.

Does EndPointer have a free plan?

Yes — EndPointer is free to use.

What platforms does EndPointer run on?

EndPointer runs on the web and embeddable surfaces.

Is EndPointer still maintained?

Unverified. EndPointer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who develops EndPointer?

EndPointer is developed by Interloper Security Group.

When did EndPointer launch?

EndPointer first shipped in 2024.

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EndPointer

Name: EndPointer
Author: Interloper Security Group

mozilla.orgBrowser DevTools & extensions

EndPointer is a Firefox extension that analyzes the active browser tab to parse and extract web application endpoints. It supports scoped analysis and concurrent request management for API discovery, penetration testing, and web application development.

FreeWebEmbeddable

Visit mozilla.org

Overview

8 features

EndPointer is a Browser DevTools & extensions project. It focuses on mapping and discovering web application endpoints during API integration, development, and security testing. It is built as a B2B product for developers, security researchers, and web application testers. It is available for free. It runs on the web and embeddable surfaces.

Interloper Security Group builds and maintains EndPointer, and it first shipped in 2024. Key capabilities include endpoint parsing, endpoint extraction, and scope settings. The interface is available in 32 languages, including Czech, German, and Greek. It exposes integrations via a public API. EndPointer is currently in beta.

Summary written by a language model from the project’s public pages.

Endpoint parsing
Endpoint extraction
Scope settings
URL pattern filtering
Active tab analysis
Concurrent requests
API discovery
Privacy controls

Built with & integrations

Connectors

API

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 05:32 UTC
EndPointer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about EndPointer

What does EndPointer do?: EndPointer focuses on mapping and discovering web application endpoints during API integration, development, and security testing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use EndPointer?: EndPointer is a B2B product built for developers, security researchers, and web application testers.
Does EndPointer have a free plan?: Yes — EndPointer is free to use.
What platforms does EndPointer run on?: EndPointer runs on the web and embeddable surfaces.
Is EndPointer still maintained?: Unverified. EndPointer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops EndPointer?: EndPointer is developed by Interloper Security Group.
When did EndPointer launch?: EndPointer first shipped in 2024.
What languages does EndPointer support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
Status: 🟡 Beta
Built for: developers, security researchers, and web application testers
Model: B2B
Solves: Mapping and discovering web application endpoints during API integration, development, and security testing.

Registered as

Firefox Add-ons: endpointer

Developer

Interloper Security Group

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
Last seen: 10 Sept 2026

Identity audit (13)

Slug: endpointer-mozilla-org
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 10 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/endpointer

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