Overview

Record, replay, and stub HTTP interactions. Built by Netflix, works with multiple adapters including Fetch, XHR, and Node HTTP.

When to use it

When you want to record real API interactions once and replay them for faster, deterministic tests without hitting live APIs.

Details

JavaScriptTypeScript

Node.jsBrowser

Recording and replaying HTTP interactions in Node.js and browser tests

Service virtualization and API simulation with record/replay and templating

Building complete frontend applications without a backend using an in-memory database

Record/replay mocking for JavaScript, TypeScript, and React Native apps