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Top 23 JavaScript REST-API Projects
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insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Project mention: Postman is logging all your secrets and environment variables | news.ycombinator.com | 2025-05-16 -
SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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swagger-ui
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
Project mention: 6 Game-Changing Postman Alternatives That Will Revolutionize Your API Development in 2025 | dev.to | 2025-05-09For teams that follow an OpenAPI-first approach, Swagger UI provides a straightforward way to visualize and interact with APIs. It's not a complete replacement for Postman's testing capabilities, but it excels at creating a bridge between documentation and testing.
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Parse deserves mention primarily for its historical significance as the precursor that inspired the entire backend-as-a-service space. Founded in 2011, Parse pioneered many concepts that we now take for granted in modern BaaS platforms.
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SpaceX-API
:rocket: Open Source REST API for SpaceX launch, rocket, core, capsule, starlink, launchpad, and landing pad data.
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Project mention: Awesome Resources for Building Fullstack Serverless Applications | dev.to | 2024-12-24
OpenAPI Swagger Editor https://editor.swagger.io/
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node-express-boilerplate
A boilerplate for building production-ready RESTful APIs using Node.js, Express, and Mongoose
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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headless-wp-starter
🔪 WordPress + React Starter Kit: Spin up a WordPress-powered React app in one step
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mediacms
MediaCMS is a modern, fully featured open source video and media CMS, written in Python/Django and React, featuring a REST API.
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The open source alternative to JIRA, ASANA and Monday has been released to the public
https://github.com/Worklenz/worklenz
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frisby
Frisby is a REST API testing framework built on Jest that makes testing API endpoints easy, fast, and fun. (by vlucas)
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node.js-clean-architecture
A use case of Clean Architecture in Node.js comprising of Express.js, MongoDB and Redis as the main (but replaceable) infrastructure.
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Build a fun app with character details, episodes, and locations from the hit show! 🔗 rickandmortyapi.com
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woo-next
:rocket: React WooCommerce theme, built with Next JS, Webpack, Babel, Node, Express, using GraphQL and Apollo Client
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rest-api-tutorial
This is a sample source code for the article published on Toptal: https://www.toptal.com/nodejs/secure-rest-api-in-nodejs
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript REST-API discussion
JavaScript REST-API related posts
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Postman is logging all your secrets and environment variables
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6 Game-Changing Postman Alternatives That Will Revolutionize Your API Development in 2025
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🛠️ Criando uma API Node.js com Express + CORS e consumindo com HTML + Bootstrap
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7 Free APIs to Spark Your Next Fun Project
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🚀 10 Free APIs Every Developer Should Experiment With! 🔧
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Build Faster and Smarter The Best APIs for Full-Stack Developers
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What is an API? Understanding the Basics for Beginners
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A note from our sponsor - SaaSHub
www.saashub.com | 20 May 2025
Index
What are some of the best open-source REST-API projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | insomnia | 36,339 |
| 2 | swagger-ui | 27,349 |
| 3 | parse-server | 21,111 |
| 4 | Restify | 10,720 |
| 5 | SpaceX-API | 10,642 |
| 6 | swagger-editor | 9,143 |
| 7 | node-express-boilerplate | 7,296 |
| 8 | headless-wp-starter | 4,501 |
| 9 | mediacms | 3,405 |
| 10 | nodejs-basics | 3,110 |
| 11 | Swagger Client | 2,658 |
| 12 | quotable | 1,921 |
| 13 | rest | 1,795 |
| 14 | worklenz | 1,621 |
| 15 | frisby | 1,527 |
| 16 | swagger-parser | 1,137 |
| 17 | node.js-clean-architecture | 1,048 |
| 18 | rick-and-morty-api | 1,007 |
| 19 | open-api | 909 |
| 20 | woo-next | 895 |
| 21 | json-server-heroku | 508 |
| 22 | restana | 469 |
| 23 | rest-api-tutorial | 431 |
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