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API Peek

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 15 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 15 Sep 2026. How this is checked

API Peek is a Firefox extension that detects and lists API endpoints called by open webpages in real time. It provides domain filtering and search to reduce third-party noise, helping developers and testers debug and learn about web API behavior.

Inferred · not functionally tested

FreeWebEmbeddable
API Peek preview
Visit mozilla.org

Overview

6 features

Purpose: Identifying and understanding the API endpoints that webpages call during network activity.

Inferred · not functionally tested

Audience: web developers and QA testers

Inferred · not functionally tested

Functions: monitoring

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

API Peek is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on identifying and understanding the API endpoints that webpages call during network activity. Inferred · not functionally tested: API Peek is a B2B product aimed at web developers and QA testers. Basis unknown · not verified: API Peek costs nothing to use. Basis unknown · not verified: API Peek is available on the web and embeddable surfaces.

Behind API Peek is Pratik P, and it first shipped in 2025. Inferred · not functionally tested: Among its 6 catalogued features are Live API tracking, endpoint listing, and domain filtering. The interface is available in 32 languages, including Czech, German, and Greek.

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

Tasks: Inferred · not functionally tested

  • Live API tracking
  • Endpoint listing
  • Domain filtering
  • API search
  • Network inspection
  • Browser tab access

Topics: Inferred · not functionally tested

Tags
api-inspectionnetwork-debuggingfirefox-extensionweb-development

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed15 Sep · 17:47 UTC
    API Peek seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about API Peek

What does API Peek do?
Inferred · not functionally tested: API Peek focuses on identifying and understanding the API endpoints that webpages call during network activity. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is API Peek for?
Inferred · not functionally tested: API Peek is a B2B product built for web developers and QA testers.
Does API Peek have a free plan?
Basis unknown · not verified: Yes — API Peek is free to use.
What platforms does API Peek run on?
Basis unknown · not verified: API Peek runs on the web and embeddable surfaces.
Is API Peek still active?
PulseGate's liveness check found it on 15 Sep 2026.
What are alternatives to API Peek?
Similar projects tracked by PulseGate include Peekier search engine, Clear Peek, and JSONPeek.Peekier search engineClear PeekJSONPeek
Who develops API Peek?
API Peek is developed by Pratik P.
How long has API Peek been around?
API Peek first shipped in 2025.

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