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.

🌐 Visit website 📡 Source on GitHub

20.9/100 emerging ▬ flat Agent 5/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessFreemium

1 APIs

FrontendJavaScriptLightning Web ComponentsSalesforceWeb Components

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 20.9/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 3.9 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 4.1 / 13

Governance 0.0 / 12

Discoverability 5.0 / 10

Agent readiness — 5/100 · 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 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

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.

Lightning Web Components Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Lightning Web Components Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

Examples

Examples

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Source (apis.yml)

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: '0.19'
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