OpenJS Foundation

The OpenJS Foundation is a Linux Foundation project that supports the growth of JavaScript and web technologies through open governance and collaboration. It hosts critical web ecosystem projects including Node.js, jQuery, Electron, webpack, ESLint, Express, Fastify, LoopBack, Appium, Mocha, Jest, and many more.

OpenJS Foundation publishes 6 APIs on the APIs.io network. Tagged areas include JavaScript, Linux Foundation, Node.js, Web, and API Frameworks.

OpenJS Foundation’s developer surface includes documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

13.7/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

6 APIs

JavaScript Linux Foundation Node.js WebAPI Frameworks

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 13.7/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 2.4 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.7 / 13

Contract Governance 0.0 / 12

Discoverability 6.5 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/openjs-foundation: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Openjs Foundation Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: openjs-foundation
name: OpenJS Foundation
description: The OpenJS Foundation is a Linux Foundation project that supports the growth of JavaScript and web technologies
  through open governance and collaboration. It hosts critical web ecosystem projects including Node.js, jQuery, Electron,
  webpack, ESLint, Express, Fastify, LoopBack, Appium, Mocha, Jest, and many more.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/openjs-foundation.png
tags:
- JavaScript
- Linux Foundation
- Node.js
- Web
- API Frameworks
created: '2026-03-16'
modified: '2026-07-25'
url: https://raw.githubusercontent.com/api-evangelist/openjs-foundation/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: openjs-foundation:nodejs
  name: Node.js
  description: Node.js is a JavaScript runtime built on Chrome's V8 engine that powers server-side applications and tooling
    across the JavaScript ecosystem.
  humanURL: https://nodejs.org/
  tags:
  - Runtime
  - JavaScript
  - Server-Side
  tags_raw:
  - Runtime
  - JavaScript
  - Server-side
  properties:
  - type: Documentation
    url: https://nodejs.org/en/docs/
  - type: GitHubRepository
    url: https://github.com/nodejs/node
- aid: openjs-foundation:fastify
  name: Fastify
  description: Fastify is a fast, low-overhead web framework for Node.js with a strong plugin architecture and built-in JSON
    Schema validation.
  humanURL: https://fastify.dev/
  tags:
  - Web Framework
  - JSON-Schema
  tags_raw:
  - Web Framework
  - JSON Schema
  - APIs
  properties:
  - type: Documentation
    url: https://fastify.dev/docs/latest/
  - type: GitHubRepository
    url: https://github.com/fastify/fastify
- aid: openjs-foundation:loopback
  name: LoopBack
  description: LoopBack is a highly extensible Node.js and TypeScript framework for building APIs and microservices with built-in
    OpenAPI support.
  humanURL: https://loopback.io/
  tags:
  - API Framework
  - TypeScript
  - OpenAPI
  properties:
  - type: Documentation
    url: https://loopback.io/doc/
  - type: GitHubRepository
    url: https://github.com/loopbackio/loopback-next
- aid: openjs-foundation:electron
  name: Electron
  description: Electron is a framework for building cross-platform desktop applications with web technologies (Chromium and
    Node.js).
  humanURL: https://www.electronjs.org/
  tags:
  - Desktop
  - Cross-Platform
  tags_raw:
  - Desktop
  - Cross-platform
  properties:
  - type: Documentation
    url: https://www.electronjs.org/docs/latest
  - type: GitHubRepository
    url: https://github.com/electron/electron
- aid: openjs-foundation:appium
  name: Appium
  description: Appium is an open source automation framework for native, hybrid, and mobile web applications, exposing a WebDriver-compatible
    HTTP API.
  humanURL: https://appium.io/
  tags:
  - Test Automation
  - WebDriver
  - Mobile
  properties:
  - type: Documentation
    url: https://appium.io/docs/
  - type: GitHubRepository
    url: https://github.com/appium/appium
- aid: openjs-foundation:express
  name: Express
  description: Express is a fast, unopinionated, minimalist web framework for Node.js used for building HTTP APIs and web
    applications.
  humanURL: https://expressjs.com/
  tags:
  - Web Framework
  - HTTP
  tags_raw:
  - Web Framework
  - HTTP
  - APIs
  properties:
  - type: Documentation
    url: https://expressjs.com/en/4x/api.html
  - type: GitHubRepository
    url: https://github.com/expressjs/express
common:
- type: VulnerabilityDisclosure
  url: security/openjs-foundation-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/openjs-foundation-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/openjs-foundation
- type: Website
  name: OpenJS Foundation
  url: https://openjsf.org/
- type: Documentation
  name: OpenJS Projects
  url: https://openjsf.org/projects
- type: GitHubOrg
  name: OpenJS Foundation GitHub
  url: https://github.com/openjs-foundation
- type: Integrations
  url: https://openjsf.org/partners
- url: https://openjsf.org/blog/
  type: Blog
integrations:
- name: Transistor
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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OpenJS Foundation

Kin Score

APIs 6

Node.js

Fastify

LoopBack

Electron

Appium

Express

Pricing Plans 1

Openjs Foundation Plans Pricing