JSONPlaceholder is a free online REST API that you can use whenever you need some fake data. It can be in a README on GitHub, for a demo on CodeSandbox, in code examples on Stack Overflow, ...or simply to test things locally.

MockAPI is a simple tool that lets you easily mock up APIs, generate custom data, and perform operations on it using RESTful interface. MockAPI is meant to be used as a prototyping/testing/learning tool.

September 15, 2025 - Easy URL Structure: Simple and memorable endpoints — no complex routing, completely open, and accessible by any frontend or testing client. Perfect for Tutorials & Learning: Designed to be beginner-friendly — developers, tech educators, and students can focus on coding instead of backend setup. Fast, Reliable, and Always Online: Hosted for stability and minimal latency, making it ideal for CI/CD pipelines or public code examples. ... Documentation is available for all APIs at jsondevtool.com/apidocs. When you need free, fast dummy APIs, jsondevtool.com/dummyapis is the modern solution in 2025: publicly accessible, feature-focused, and built for today’s devs.

ReqRes is the frontend-first backend you call with fetch(). Projects bundle collections, app users, logs, and automations-no backend code required.

Beeceptor's Fake API server offers a range of hosted, free REST APIs available to anyone in need of simulated data for their applications or demonstrations. This resource is perfect for populating your sandbox environments, prototypes, or conducting ...

Get a full fake REST API with zero coding in less than 30 seconds (seriously) - typicode/json-server

Because Mirage realistically mocks out your entire API server, you can share a clickable, working prototype of your JavaScript application without needing to run any backend services. Get high-quality feedback from your users and iterate faster than ever, before you start investing in expensive server-side infrastructure. ... Honestly, I can't recommend this tool enough. Finally, an idiomatic way for frontend developers to prototype and test an entire feature without touching a real API!

This page will list all of the rest services. These are fake online REST APIs for testing and prototyping sample applications that use rest calls to display listings and crud features.

A free RESTful API for developers, ideal for prototyping, testing, or teaching.

DummyJSON provides a free fake REST API with placeholder JSON data for development, testing, and prototyping. Access realistic data quickly for your projects.

September 17, 2025 - MockAPI.io: Cloud-based dummy API generator for quick prototyping and collaboration. Beeceptor: Online service to define custom endpoints and responses for testing.

Build mock APIs in a few seconds. No coding required. Build replicas for REST, SOAP, gRPC, GraphQL APIs for testing. The #1 alternative to WireMock. Get started free.

January 17, 2021 - It can also be helpful for setting ... testing. The two tools I’ll demonstrate are Mockaroo for generating sets of dummy data, and json-server for creating a fake API that a front-end application can make requests to. This tutorial is aimed squarely at folks getting familiar writing browser-side code with HTML, CSS, and Javascript...

December 5, 2024 - A dummy API is a mock version of a real API that simulates the behavior of a live application programming interface without actually connecting to a live database or server. It is designed to replicate the response behavior of a real API, allowing ...

Accelerate API development with Postman's all-in-one platform. Streamline collaboration and simplify the API lifecycle for faster, better results. Learn more.

Learn about restful‑api.dev - a free platform helping developers, students, and educators explore, test, and master RESTful APIs through practical tools and public endpoints.

November 20, 2024 - Here are some of the most used JavaScript API mocking libraries: JSON Server⁠—A fast and efficient node module that allows creating a REST JSON web service quickly. MirageJS⁠—This is an API mocking library for building, testing, and ...

Tired of the backend server hassle at project kick-off? We've got the solution. Beeceptor gives no-code dummy APIs and JSON data hosting for your apps. Integrate your web/mobile app with the hosted mock API contracts. The best part?

Free online JavaScript, Mocha, Chai, and Sinon player tool. Get started with Mocha, Chai, and Sinon using your browser ... Best Practice Test Automation Website for Selenium, Playwright, Cypress, WebdriverIO and Postman : Free Web UI and REST API Examples · Designed for practicing test automation for web and API using popular tools in the market: ... Bruno and more... The site offers a variety of dummy examples for automated scenarios that cover many common situations, including: