Microsoft TypeScript website screenshot

Microsoft TypeScript

TypeScript is a strongly typed programming language that builds on JavaScript developed by Microsoft. It provides a Compiler API and Language Service API for building tools, linters, code generators, and IDE integrations.

Microsoft TypeScript publishes 2 APIs on the APIs.io network. Tagged areas include Compiler, JavaScript, Language Tools, Microsoft, and TypeScript.

Microsoft TypeScript’s developer surface includes developer portal, documentation, getting-started guide, support, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
29.3/100 thin ▬ flat Agent 8/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
2 APIs 1 Agent Skills
CompilerJavaScriptLanguage ToolsMicrosoftTypeScript

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 29.3/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 6.5 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 8/100 · agent aware
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 5 / 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/microsoft-typescript: 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 2

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

TypeScript Compiler API

The TypeScript Compiler API provides programmatic access to the TypeScript compiler for parsing, analyzing, and transforming TypeScript and JavaScript code. Developers can creat...

TypeScript Language Service API

The TypeScript Language Service API powers IDE features like autocomplete, go to definition, find references, refactoring, and error diagnostics. It provides the same intelligen...

Agent Skills 1

Packaged agent skills for driving this provider's APIs from an AI assistant.

ts-maintain-reduce-repro

AGENT SKILL

Pricing Plans 1

Published pricing tiers and plan structures.

Microsoft Typescript Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Microsoft Typescript Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Microsoft Typescript Finops

FINOPS

Security Posture 1

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

Microsoft Typescript Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgentSkills
AgentSkills

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: microsoft-typescript
name: Microsoft TypeScript
description: TypeScript is a strongly typed programming language that builds on JavaScript developed by Microsoft. It provides
  a Compiler API and Language Service API for building tools, linters, code generators, and IDE integrations.
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/microsoft-typescript.png
tags:
- Compiler
- JavaScript
- Language Tools
- Microsoft
- TypeScript
url: https://raw.githubusercontent.com/api-evangelist/microsoft-typescript/refs/heads/main/apis.yml
created: '2024-01-01'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: microsoft-typescript:compiler-api
  name: TypeScript Compiler API
  tags:
  - Compiler
  - Language Tools
  - TypeScript
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://github.com/microsoft/TypeScript/wiki/Using-the-Compiler-API
  properties:
  - url: https://github.com/microsoft/TypeScript/wiki/Using-the-Compiler-API
    type: Documentation
  description: The TypeScript Compiler API provides programmatic access to the TypeScript compiler for parsing, analyzing,
    and transforming TypeScript and JavaScript code. Developers can create custom linters, code generators, documentation
    tools, and IDE integrations using the AST manipulation and type checking capabilities.
- aid: microsoft-typescript:language-service-api
  name: TypeScript Language Service API
  tags:
  - IDE Integration
  - Language Service
  - TypeScript
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://github.com/microsoft/TypeScript/wiki/Using-the-Language-Service-API
  properties:
  - url: https://github.com/microsoft/TypeScript/wiki/Using-the-Language-Service-API
    type: Documentation
  description: The TypeScript Language Service API powers IDE features like autocomplete, go to definition, find references,
    refactoring, and error diagnostics. It provides the same intelligence used by VS Code and other editors for TypeScript
    and JavaScript development.
common:
- type: DomainSecurity
  url: security/microsoft-typescript-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/typescript
- type: Portal
  url: https://www.typescriptlang.org/
- type: Website
  url: https://www.typescriptlang.org/
- type: Documentation
  url: https://www.typescriptlang.org/docs/
- type: GitHubOrganization
  url: https://github.com/microsoft/TypeScript
- type: GettingStarted
  url: https://www.typescriptlang.org/docs/handbook/intro.html
- type: TermsOfService
  url: https://www.microsoft.com/en-us/legal/terms-of-use
- type: PrivacyPolicy
  url: https://privacy.microsoft.com/en-us/privacystatement
- type: Support
  url: https://github.com/microsoft/TypeScript/issues
- name: Agent Skills
  url: https://github.com/microsoft/TypeScript-Maintainer-Skills
  type: AgentSkills
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- url: https://devblogs.microsoft.com/typescript/feed/
  type: Blog