# Microsoft Windows

**Canonical:** https://apis.io/providers/microsoft-windows/  
**Website:** https://developer.microsoft.com/windows  
**APIs profiled:** 8

A collection of APIs and developer resources for Microsoft Windows operating system.

## Kin Score — 27.5 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 27.5).

| Facet | Score |
|---|---|
| Discoverability | 53.7 |
| Contract Quality | 26.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 16.7 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

## Agent readiness — 15.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (8)

- **Windows Runtime (WinRT) API** — Modern API for building Windows applications with support for multiple programming languages.
- **Win32 API** — Traditional Windows API for native application development with full system access.
- **Windows Management Instrumentation (WMI)** — Infrastructure for management data and operations on Windows systems.
- **Windows PowerShell API** — Task automation and configuration management framework from Microsoft.
- **Windows Registry API** — API for accessing and manipulating the Windows Registry database.
- **Windows Shell API** — APIs for interacting with Windows Shell features and user interface elements.
- **DirectX Graphics API** — Collection of APIs for handling tasks related to multimedia and game programming.
- **Windows Notification API** — API for creating and managing Windows notifications and toast messages.

## Security (2)

- **Microsoft Windows Domain Security** — TLSv1.3 · HSTS · DMARC
- **Microsoft Windows Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Microsoft Windows Plans Pricing**

## Tags

Desktop, Development, Microsoft, Operating System, Windows

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/microsoft-windows/). Scores are computed from the provider's own public artifacts under a published rubric.