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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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SaaSHub
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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 |
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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 |