EchoKit — API Recorder & Mocker

by raviteja369.k · ravitejakamalapuram.github.io · Developer Tools

Established publisherManifest V3 in_app

View in Chrome Web Store Data as of 16 Oct 2026

Record real API interactions and instantly mock them. Zero setup. Built for frontend devs & QA. Record once, mock reliably.

Users

+1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#193K

#161K among extensions

Version

1.14.0

updated 24 Sep 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 10 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About EchoKit — API Recorder & Mocker

EchoKit is a Chrome extension that records your real API interactions and lets you instantly mock them for testing and development. 🎯 BUILT FOR DEVELOPERS & QA • Record fetch/XHR/WebSocket/SSE traffic with one click • Mock responses instantly — no proxy, no code changes • Export recordings as JSON for CLI/CI integration • Per-tab mock toggle — work on new features while mocking legacy APIs • Coverage tracking to see which mocks are actually used ⚡ ZERO SETUP REQUIRED 1. Click Record 2. Use your app normally 3. Click Mock 4. Replay your recordings instantly No configuration files. No webpack plugins. No backend setup. 🚀 POWERFUL FEATURES • URL matching modes: strict, fuzzy, regex, custom rules • Chain mocks for multi-step workflows (login → dashboard → data) • Transform rules to modify requests/responses on the fly • WebSocket & Server-Sent Events support • Export to Postman, HAR, or EchoKit JSON • GitHub Gist sync for team collaboration (Pro) • Headless CLI server for CI/CD pipelines 💼 USE CASES • Frontend development without waiting for backend APIs • E2E testing with reliable, repeatable API mocks • Demo presentations with offline data • Debugging production issues with recorded traffic • QA automation with consistent test data 🔐 PRIVACY FIRST • All data stays local in your browser • No analytics, no tracking, no telemetry • Open source: github.com/ravitejakamalapuram/echokit 📦 CLI INTEGRATION Install the headless server for CI/CD: npm install -g echokit-server Run in GitHub Actions, Jenkins, or any CI pipeline. --- FREE TIER: Unlimited recordings, basic features PRO: Advanced matching, GitHub sync, priority support Get started in seconds. No signup required.