Vue.js website screenshot

Vue.js

Vue.js is a progressive JavaScript framework for building user interfaces and single-page applications. Created by Evan You and maintained by an open-source community, Vue.js is designed to be incrementally adoptable and focuses on the view layer. It integrates with other libraries or existing projects and powers complex single-page applications when combined with modern tooling like Vue Router, Pinia state management, and Vite build tooling. Vue.js is one of the most popular frontend frameworks with over 4 million weekly npm downloads and a rich ecosystem of components and plugins.

Vue.js is listed with 6 APIs on the APIs.io network. Tagged areas include Component-Based, Framework, Frontend, JavaScript, and Open Source.

The Vue.js catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Vue.js’ developer surface includes engineering blog, changelog, support, and 18 more developer resources.

27.1/100 thin ▬ flat Agent 2/100 human only Front door AI 3/6 light Heartbeat 50/100 alive saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →
AccessFreemium
6 APIs
Component-BasedFrameworkFrontendJavaScriptOpen SourceUI

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0
Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
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Agent readiness — checks not met, largest first (exact, from this profile):
  • Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
  • MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
  • Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
  • Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
  • Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
  • Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
11 more unmet checks in the Agent Readiness table above.
Kin Score — facets with the most composite points still available (weight × headroom):
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Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/vuejs/apis.yml: open an issue on github.com/api-evangelist/vuejs to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

APIs 6

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

Vue.js Core API

Core Vue.js composition and options API for building reactive user interfaces. Provides reactivity primitives (ref, reactive, computed, watch), lifecycle hooks, component system...

Vue Router

Official client-side routing solution for Vue.js single-page applications. Vue Router provides declarative routing with nested routes, dynamic route matching, navigation guards,...

Pinia

The official state management library for Vue.js, designed for composability and TypeScript support. Pinia provides a simpler and more intuitive API than Vuex with stores define...

Vite

Next-generation frontend build tooling powering the Vue.js development experience. Vite provides near-instant server startup with native ES modules, hot module replacement (HMR)...

VueUse

Collection of essential Vue Composition Utilities for Vue.js, providing over 200 composable functions for common browser APIs, sensors, animations, state management helpers, and...

Nuxt.js

The intuitive Vue framework for building full-stack web applications with Vue.js. Nuxt provides server-side rendering (SSR), static site generation (SSG), file-based routing, au...

Vue.js API pricing

Not yet checked against Vue.js's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.

PlanPrice
Free freemium Free
Professional paid Free
Enterprise enterprise —

Plan details, limits and sources →

Rate limits

Compiled by API Evangelist, not yet checked against Vue.js's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

Vue.js Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Vue.js Rate Limits

5 limits

RATE LIMITS

Terms of Service 1

What its API terms permit and prohibit, quoted from its own page.

Vue.js

1 quoted statement, read from Vue.js's own page on 2026-11-10.

TERMS

Privacy & Data 1

Its role, the data it processes, retention and transfers, quoted from its own privacy page.

Vue.js

5 quoted statements, read from Vue.js's own page on 2026-11-10.

PRIVACY

FinOps 1

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

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Vuejs Context

3 classes · 17 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Vue.js — jsonschema rules

5 rules · 3 warn-severity 2 info-severity

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Vue.js Component Options

23 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Vue.js Sfc Structure

0 properties

JSON STRUCTURE

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Build 2

SDKs, sample code, and the tooling you integrate with

Operate 5

Status, limits, changes, and where to get help

Commercial 5

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
name: Vue.js
description: Vue.js is a progressive JavaScript framework for building user interfaces and single-page applications. Created
  by Evan You and maintained by an open-source community, Vue.js is designed to be incrementally adoptable and focuses on
  the view layer. It integrates with other libraries or existing projects and powers complex single-page applications when
  combined with modern tooling like Vue Router, Pinia state management, and Vite build tooling. Vue.js is one of the most
  popular frontend frameworks with over 4 million weekly npm downloads and a rich ecosystem of components and plugins.
deliveryModel:
  model: saas
  license_evidence:
    not_product:
    - nuxt/nuxt
    - vitejs/vite
    - vuejs/core
    - vuejs/pinia
    - vuejs/router
  open_source: unknown
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: low
  source:
  - pricing
  - repository-not-product
  generated: '2026-09-25'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  source:
  - plans
  generated: '2026-11-13'
  method: derived
image: https://vuejs.org/images/logo.png
tags:
- Component-Based
- Framework
- Frontend
- JavaScript
- Open Source
- UI
tags_raw:
- Component-Based
- Framework
- Frontend
- JavaScript
- Open Source
- UI
- Open-Source
created: '2024-01-01'
modified: '2026-05-03'
url: https://vuejs.org
specificationVersion: '0.23'
apis:
- name: Vue.js Core API
  description: Core Vue.js composition and options API for building reactive user interfaces. Provides reactivity primitives
    (ref, reactive, computed, watch), lifecycle hooks, component system, template directives, and application mounting. The
    primary API surface for Vue.js component development.
  image: https://vuejs.org/images/logo.png
  humanUrl: https://vuejs.org/api/
  baseUrl: https://cdn.jsdelivr.net/npm/vue@3
  tags:
  - Components
  - Composition API
  - Framework
  - JavaScript
  - Reactive
  properties:
  - type: Documentation
    url: https://vuejs.org/guide/introduction.html
  - type: API Documentation
    url: https://vuejs.org/api/
  - type: Tutorial
    url: https://vuejs.org/tutorial/
  - type: Examples
    url: https://vuejs.org/examples/
  - type: Style Guide
    url: https://vuejs.org/style-guide/
  - type: GitHub
    url: https://github.com/vuejs/core
  - type: CDN
    url: https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js
  - type: NPM
    url: https://www.npmjs.com/package/vue
  - type: Migration Guide
    url: https://v3-migration.vuejs.org/
- name: Vue Router
  description: Official client-side routing solution for Vue.js single-page applications. Vue Router provides declarative
    routing with nested routes, dynamic route matching, navigation guards, route lazy-loading, and programmatic navigation.
    Supports both HTML5 history mode and hash-based routing.
  humanUrl: https://router.vuejs.org/
  baseUrl: https://cdn.jsdelivr.net/npm/vue-router@4
  tags:
  - Navigation
  - Router
  - SPA
  tags_raw:
  - Navigation
  - Router
  - SPA
  properties:
  - type: Documentation
    url: https://router.vuejs.org/guide/
  - type: API Documentation
    url: https://router.vuejs.org/api/
  - type: GitHub
    url: https://github.com/vuejs/router
  - type: NPM
    url: https://www.npmjs.com/package/vue-router
- name: Pinia
  description: The official state management library for Vue.js, designed for composability and TypeScript support. Pinia
    provides a simpler and more intuitive API than Vuex with stores defined using the Composition API pattern, full TypeScript
    inference, devtools support, and hot module replacement.
  humanUrl: https://pinia.vuejs.org/
  baseUrl: https://cdn.jsdelivr.net/npm/pinia@2
  tags:
  - Data
  - State Management
  - Store
  properties:
  - type: Documentation
    url: https://pinia.vuejs.org/introduction.html
  - type: API Documentation
    url: https://pinia.vuejs.org/api/
  - type: GitHub
    url: https://github.com/vuejs/pinia
  - type: NPM
    url: https://www.npmjs.com/package/pinia
- name: Vite
  description: Next-generation frontend build tooling powering the Vue.js development experience. Vite provides near-instant
    server startup with native ES modules, hot module replacement (HMR), optimized production builds using Rollup, and first-class
    Vue.js support with the official @vitejs/plugin-vue plugin.
  humanUrl: https://vitejs.dev/
  baseUrl: https://vitejs.dev
  tags:
  - Build Tools
  - Bundler
  - Development
  tags_raw:
  - Build Tool
  - Bundler
  - Development
  properties:
  - type: Documentation
    url: https://vitejs.dev/guide/
  - type: Configuration
    url: https://vitejs.dev/config/
  - type: GitHub
    url: https://github.com/vitejs/vite
  - type: NPM
    url: https://www.npmjs.com/package/vite
- name: VueUse
  description: Collection of essential Vue Composition Utilities for Vue.js, providing over 200 composable functions for common
    browser APIs, sensors, animations, state management helpers, and utility patterns. VueUse is tree-shakable and works with
    both Vue 2 and Vue 3.
  humanUrl: https://vueuse.org/
  baseUrl: https://cdn.jsdelivr.net/npm/@vueuse/core
  tags:
  - Composables
  - Utilities
  - Vue.js
  properties:
  - type: Documentation
    url: https://vueuse.org/guide/
  - type: API Documentation
    url: https://vueuse.org/functions.html
  - type: GitHub
    url: https://github.com/vueuse/vueuse
  - type: NPM
    url: https://www.npmjs.com/package/@vueuse/core
- name: Nuxt.js
  description: The intuitive Vue framework for building full-stack web applications with Vue.js. Nuxt provides server-side
    rendering (SSR), static site generation (SSG), file-based routing, auto-imports, and a rich module ecosystem. Nuxt is
    the primary meta-framework for production Vue.js applications.
  humanUrl: https://nuxt.com/
  baseUrl: https://nuxt.com
  tags:
  - Framework
  - Full-Stack
  - SSR
  - Vue.js
  properties:
  - type: Documentation
    url: https://nuxt.com/docs/getting-started/introduction
  - type: API Documentation
    url: https://nuxt.com/docs/api/
  - type: GitHub
    url: https://github.com/nuxt/nuxt
  - type: NPM
    url: https://www.npmjs.com/package/nuxt
common:
- type: Plans
  url: plans/vuejs-plans-pricing.yml
- type: RateLimits
  url: rate-limits/vuejs-rate-limits.yml
- type: FinOps
  url: finops/vuejs-finops.yml
- type: Website
  url: https://www.vuejs.org/
- type: Blog
  url: https://blog.vuejs.org/
- type: ChangeLog
  url: https://github.com/vuejs/core/blob/main/CHANGELOG.md
- type: TermsOfService
  url: https://vuejs.org/about/coc.html
- type: PrivacyPolicy
  url: https://vuejs.org/about/privacy.html
- type: Support
  url: https://vuejs.org/support/
- type: Sponsors
  url: https://vuejs.org/sponsor/
- type: GitHubOrg
  url: https://github.com/vuejs
- type: NPM
  url: https://www.npmjs.com/package/vue
- type: Community
  url: https://discord.com/invite/vue
- type: Forums
  url: https://forum.vuejs.org/
- type: Twitter
  url: https://twitter.com/vuejs
- url: vocabulary/vuejs-vocabulary.yml
  type: Vocabulary
- url: json-schema/vuejs-component-schema.json
  type: JSONSchema
- url: json-ld/vuejs-context.jsonld
  type: JSONLDContext
- type: Integrations
  url: https://vuejs.org/partners/
- type: LlmsText
  url: https://vuejs.org/llms.txt
- type: UsageTerms
  url: terms/vuejs-terms-of-service.yml
- type: DataProcessing
  url: privacy/vuejs-privacy-policy.yml
integrations:
- name: Themes
- name: Newsletters
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Vue.js API — frequently asked questions

Does Vue.js have an API?

Yes. APIs.io lists 6 APIs from Vue.js, including Vue.js Core API, Vue Router and Pinia, and 3 more.

How much does the Vue.js API cost?

APIs.io lists 3 pricing plans for Vue.js, with each plan's price, limits and inclusions under Pricing on this page.

Is the Vue.js API ready for AI agents?

Vue.js has a Kin Score of 27.1 out of 100 (thin) and an Agent Readiness score of 1.9 (human-only), scored by API Evangelist on 2026-11-13.

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