VS Code Marketplace

VS Code Marketplace is Microsoft's official extension marketplace for Visual Studio Code, offering thousands of extensions for languages, debuggers, themes, and developer tools. It provides a Gallery API for programmatically searching, discovering, and retrieving extension metadata, enabling integration with editors, tooling, and automation workflows.

VS Code Marketplace publishes 3 APIs on the APIs.io network: Assets API, Extensions API, and Publishers API. Tagged areas include Developer Tools, Extensions, IDE, and Microsoft.

The VS Code Marketplace catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

VS Code Marketplace’s developer surface includes documentation, developer portal, getting-started guide, changelog, engineering blog, GitHub presence, Stack Overflow tag, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub

54.1/100 developing ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessFreemium

3 APIs

Developer ToolsExtensionsIDEMicrosoft

Kin Score

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

Composite quality — 54.1/100 · developing

Contract Quality 15.3 / 25

Developer Ergonomics 7.0 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 6.8 / 13

Governance 7.0 / 12

Discoverability 5.9 / 10

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 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/vs-code-marketplace: 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 3

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

Rate Limits 1

Documented rate limits and quota policies.

Vs Code Marketplace Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

JSON Schema 1

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

Examples 2

Example request and response payloads for these APIs.

Get Started 2

Portal, sign-up, and the first successful call

Portal

Portal

GettingStarted

GettingStarted

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

Guide

Guide

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Learn 1

Tutorials, courses, talks, and written guidance

YouTube

YouTube

Operate 4

Status, limits, changes, and where to get help

ChangeLog

IssueTracker

Community

StackOverflow

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

Other 2

Properties that don't map to a standard resource type

Catalog

Catalog

Source (apis.yml)

aid: vs-code-marketplace
url: https://raw.githubusercontent.com/api-evangelist/vs-code-marketplace/refs/heads/main/apis.yml
apis:
- aid: vs-code-marketplace:vs-code-marketplace-assets-api
  name: VS Code Marketplace Assets API
  description: Download extension assets including VSIX packages
  humanURL: https://github.com/microsoft/vscode/blob/main/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
  baseURL: https://marketplace.visualstudio.com/_apis/public/gallery
  tags:
  - Assets
  properties:
  - type: OpenAPI
    url: openapi/vs-code-marketplace-assets-api-openapi.yml
  - type: Documentation
    url: https://marketplace.visualstudio.com/
  - type: BaseURL
    url: https://marketplace.visualstudio.com/_apis/public/gallery
  - type: SourceCode
    url: https://github.com/microsoft/vscode/blob/main/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
  - type: Guide
    url: https://code.visualstudio.com/api/working-with-extensions/publishing-extension
- aid: vs-code-marketplace:vs-code-marketplace-extensions-api
  name: VS Code Marketplace Extensions API
  description: Query, search, and retrieve VS Code extensions from the Marketplace
  humanURL: https://github.com/microsoft/vscode/blob/main/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
  baseURL: https://marketplace.visualstudio.com/_apis/public/gallery
  tags:
  - Extensions
  properties:
  - type: OpenAPI
    url: openapi/vs-code-marketplace-extensions-api-openapi.yml
  - type: Documentation
    url: https://marketplace.visualstudio.com/
  - type: BaseURL
    url: https://marketplace.visualstudio.com/_apis/public/gallery
  - type: SourceCode
    url: https://github.com/microsoft/vscode/blob/main/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
  - type: Guide
    url: https://code.visualstudio.com/api/working-with-extensions/publishing-extension
- aid: vs-code-marketplace:vs-code-marketplace-publishers-api
  name: VS Code Marketplace Publishers API
  description: Publisher management and information
  humanURL: https://github.com/microsoft/vscode/blob/main/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
  baseURL: https://marketplace.visualstudio.com/_apis/public/gallery
  tags:
  - Publishers
  properties:
  - type: OpenAPI
    url: openapi/vs-code-marketplace-publishers-api-openapi.yml
  - type: Documentation
    url: https://marketplace.visualstudio.com/
  - type: BaseURL
    url: https://marketplace.visualstudio.com/_apis/public/gallery
  - type: SourceCode
    url: https://github.com/microsoft/vscode/blob/main/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
  - type: Guide
    url: https://code.visualstudio.com/api/working-with-extensions/publishing-extension
name: VS Code Marketplace
description: VS Code Marketplace is Microsoft's official extension marketplace for Visual Studio Code, offering thousands
  of extensions for languages, debuggers, themes, and developer tools. It provides a Gallery API for programmatically searching,
  discovering, and retrieving extension metadata, enabling integration with editors, tooling, and automation workflows.
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/vs-code-marketplace.png
tags:
- Developer Tools
- Extensions
- IDE
- Microsoft
type: Index
access: 3rd-Party
common:
- type: AgenticAccess
  url: agentic-access/vs-code-marketplace-agentic-access.yml
- type: DomainSecurity
  url: security/vs-code-marketplace-domain-security.yml
- url: https://marketplace.visualstudio.com/
  name: VS Code Marketplace Website
  type: Website
- url: https://code.visualstudio.com/docs
  name: Documentation
  type: Documentation
- url: https://code.visualstudio.com/api/working-with-extensions/publishing-extension
  name: Publishing Extensions Guide
  type: Guide
- url: https://marketplace.visualstudio.com/manage
  name: Publisher Management
  type: Portal
- url: https://code.visualstudio.com/api
  name: Extension API Documentation
  type: Documentation
- url: https://code.visualstudio.com/api/get-started/your-first-extension
  name: Getting Started
  type: GettingStarted
- url: https://marketplace.visualstudio.com/VSCode
  name: VS Code Extensions
  type: Catalog
- url: https://code.visualstudio.com/updates
  name: Release Notes
  type: ChangeLog
- url: https://code.visualstudio.com/blogs
  name: Blog
  type: Blog
- url: https://github.com/microsoft/vscode
  name: GitHub
  type: GitHub
- url: https://github.com/microsoft/vscode/issues
  name: GitHub Issues
  type: IssueTracker
- url: https://code.visualstudio.com/community
  name: Community
  type: Community
- url: https://stackoverflow.com/questions/tagged/visual-studio-code
  name: Stack Overflow
  type: StackOverflow
- url: https://x.com/code
  name: X (Twitter)
  type: X
- url: https://www.linkedin.com/showcase/microsoft-visual-studio-code
  name: LinkedIn
  type: LinkedIn
- url: https://www.youtube.com/@code
  name: YouTube
  type: YouTube
- url: https://marketplace.visualstudio.com/policies/agree
  name: Terms of Use
  type: TermsOfService
- url: https://privacy.microsoft.com/privacystatement
  name: Privacy Policy
  type: PrivacyPolicy
created: '2024-01-01'
modified: '2026-05-19'
specificationVersion: '0.19'