Lightning Web Components website screenshot

Lightning Web Components

Salesforce Lightning Web Components (LWC) is a modern JavaScript framework for building user interfaces on the Salesforce platform using web standards.

Lightning Web Components publishes 1 API on the APIs.io network. Tagged areas include Frontend, JavaScript, Lightning Web Components, Salesforce, and Web Components.

Lightning Web Components’ developer surface includes documentation, getting-started guide, code examples, and 1 more developer resources.

15.1/100 emerging ▬ flat Agent 4/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessFreemium
1 APIs
FrontendJavaScriptLightning Web ComponentsSalesforceWeb Components

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 15.1/100 · emerging
Contract Quality 1.7 / 25
Developer Ergonomics 4.3 / 20
Access Clarity 3.2 / 20
Operational Transparency 1.0 / 13
Contract Governance 0.0 / 12
Discoverability 5.0 / 10
Agent readiness — 4/100 · 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 7 / 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/lightning-web-components: 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 1

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

Lightning Web Components Runtime API

Core JavaScript APIs for building Lightning Web Components including decorators, wire service, and component lifecycle methods.

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

FinOps 1

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

Security Posture 1

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

Lightning Web Components Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Source (apis.yml)

apis.yml Raw ↑
aid: lightning-web-components
name: Lightning Web Components
description: Salesforce Lightning Web Components (LWC) is a modern JavaScript framework for building user interfaces on the
  Salesforce platform using web standards.
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
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/lightning-web-components.png
tags:
- Frontend
- JavaScript
- Lightning Web Components
- Salesforce
- Web Components
url: https://raw.githubusercontent.com/api-evangelist/lightning-web-components/refs/heads/main/apis.yml
created: '2024-01-15'
modified: '2026-03-16'
specificationVersion: '0.23'
apis:
- aid: lightning-web-components:lightning-web-components
  name: Lightning Web Components Runtime API
  description: Core JavaScript APIs for building Lightning Web Components including decorators, wire service, and component
    lifecycle methods.
  humanURL: https://developer.salesforce.com/docs/component-library/documentation/en/lwc
  tags:
  - Frontend
  - JavaScript
  - Salesforce
  - Web Components
  properties:
  - type: Documentation
    url: https://developer.salesforce.com/docs/component-library/documentation/en/lwc
common:
- type: DomainSecurity
  url: security/lightning-web-components-domain-security.yml
- url: https://developer.salesforce.com/docs/component-library/overview/components
  type: Documentation
- url: https://developer.salesforce.com/docs/component-library/documentation/en/lwc/lwc.get_started_introduction
  type: GettingStarted
- url: https://github.com/trailheadapps/lwc-recipes
  type: Examples
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this
  • find_providersBrowse and filter every provider in the catalog.
  • get_provider_artifactsEvery artifact this provider publishes, grouped by type.
  • get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
  • get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
  • get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
  • get_provider_ratingPRO — composite, band, trend and facet scores.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This provider
curl "https://apis.io/api/v1/providers/lightning-web-components"
All providers
curl "https://apis.io/api/v1/providers?limit=25"
Every operation they expose
curl "https://apis.io/api/v1/providers/lightning-web-components/operations?limit=25"
How their score was established
curl "https://apis.io/api/v1/providers/lightning-web-components/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.