Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

Free, 13MB, containerized, self-hosted mock server.

Intercept HTTP requests and responses. Modify HTTP request/response body. Modify HTTP request/response headers. Redirect requests. HTTP logger. Mock APIs. Inject scripts. Block requests. Modify query parameters

Dynamic API, S3 & Mail mocking for web, mobile & microservice development.

Open-source native macOS HTTP debugging proxy — intercept HTTPS, inspect APIs, mock responses, debug WebSocket & GraphQL. Community-driven. For developers, by developers.

Yes Man as a Service

A powerful service mocking, recording, and playback utility.

The first fetch/XMLHttpRequest network-mocking library that's actually user-friendly

Mock REST APIs from JSON with zero coding within seconds.

Start using Mockoon in no time with popular APIs mock samples.

Open Source AI-Powered Mock API Platform

Mockoon application official website repository and documentation

API mocks for development and testing

HTTP Mock Sever

Mocker can generate mock data with API endpoints, powered by faker.js

Platform to setup mocks for REST endpoints

The "React Quiz App" is a dynamic and engaging web application built with React.js. This project offers a variety of features, including a complete responsive design for seamless use on different devices, a clean and intuitive user interface, and a timed quiz with a progress bar to track your progress.

This is a mock for use when JS unit testing google maps

a small web application that displays both a list of vehicles and a map showing all the vehicles in the city of Hamburg.

Ultra minimal and fast RESTful API written in C using Unix websockets, POSIX threads and SQLite database. Ideal for mock APIs in dev environment.