What is Mock API calls?

Mock API calls enables developers to mock, intercept, and modify HTTP requests directly in the browser. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Mock API calls for?

Mock API calls is a B2B product built for frontend developers and testers.

How much does Mock API calls cost?

Paid plans start at $4, and a free tier is available.

What platforms does Mock API calls run on?

Mock API calls runs on the web and embeddable surfaces.

Is Mock API calls still active?

Unverified. Mock API calls 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 Mock API calls?

Mock API calls is developed by tweak-extension.com.

When did Mock API calls launch?

Mock API calls first shipped in 2020.

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Mock API calls

Name: Mock API calls
Price: 4 USD
Author: tweak-extension.com

tweak-extension.comBrowser DevTools & extensions

Tweak is a browser extension for Chrome, Firefox, and Edge that lets developers mock, intercept, and modify HTTP requests without code. It simplifies API testing and debugging by allowing real-time request manipulation, making it ideal for frontend development workflows.

FreemiumWebEmbeddable

Visit tweak-extension.com

Overview

6 features

In the Browser DevTools & extensions space, Mock API calls takes a focused approach. It enables developers to mock, intercept, and modify HTTP requests directly in the browser. Mock API calls is a B2B product aimed at frontend developers and testers. There is a free tier, and paid plans start at $4. It ships for the web and embeddable surfaces.

Behind Mock API calls is tweak-extension.com, and it first shipped in 2020. Among its 6 catalogued features are Mock API calls, request interception, and header modification.

Mock API calls
Request interception
Header modification
Simulate responses
No-code interface
Browser extension

Built with & integrations

Hosting

Cloudflare

Connectors

chrome

Runs on

BrowserEmbeddable

Detected from

Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed28 Jun · 12:04 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Mock API calls

What is Mock API calls?: Mock API calls enables developers to mock, intercept, and modify HTTP requests directly in the browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Mock API calls for?: Mock API calls is a B2B product built for frontend developers and testers.
How much does Mock API calls cost?: Paid plans start at $4, and a free tier is available.
What platforms does Mock API calls run on?: Mock API calls runs on the web and embeddable surfaces.
Is Mock API calls still active?: Unverified. Mock API calls 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 Mock API calls?: Mock API calls is developed by tweak-extension.com.
When did Mock API calls launch?: Mock API calls first shipped in 2020.

At a glance

Pricing: Freemium · from $4 · free tier
Platforms: Web
Languages: English
Built for: frontend developers and testers
Model: B2B
Solves: Enables developers to mock, intercept, and modify HTTP requests directly in the browser.

Registered as

Chrome Web Store: feahianecghpnipmhphmfgmpdodhcapi
Firefox Add-ons: tweak-extension

Developer

tweak-extension.com

Index record

Indexed: 28 Jun 2026
Lifecycle: Alive
Last seen: 28 Jun 2026

Identity audit (12)

Slug: tweak-mock-and-modify-http-requests-tweak-extension-com
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 28 Jun 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: Recorded source: taxonomy-pass-b.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://tweak-extension.com/

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