OpenJS Foundation website screenshot

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
21.3/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
6 APIs
JavaScriptLinux FoundationNode.jsWebAPI Frameworks

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 21.3/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
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
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.

Node.js

Node.js is a JavaScript runtime built on Chrome's V8 engine that powers server-side applications and tooling across the JavaScript ecosystem.

Fastify

Fastify is a fast, low-overhead web framework for Node.js with a strong plugin architecture and built-in JSON Schema validation.

LoopBack

LoopBack is a highly extensible Node.js and TypeScript framework for building APIs and microservices with built-in OpenAPI support.

Electron

Electron is a framework for building cross-platform desktop applications with web technologies (Chromium and Node.js).

Appium

Appium is an open source automation framework for native, hybrid, and mobile web applications, exposing a WebDriver-compatible HTTP API.

Express

Express is a fast, unopinionated, minimalist web framework for Node.js used for building HTTP APIs and web applications.

Pricing Plans 1

Published pricing tiers and plan structures.

Openjs Foundation Plans Pricing

3 plans

PLANS

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.

Openjs Foundation Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Openjs Foundation Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Openjs Foundation Vulnerability Disclosure

disclosure policy published

SECURITY

Resources

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
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
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: '0.19'
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
  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
  - 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
  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
  - 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