Microsoft Windows
A collection of APIs and developer resources for Microsoft Windows operating system.
Microsoft Windows publishes 1 API on the APIs.io network: Windows Runtime (WinRT) API. Tagged areas include Desktop, Development, Microsoft, Operating System, and Windows.
Microsoft Windows’ developer surface includes developer portal, engineering blog, support, and 13 more developer resources.
Kin Score
APIs 8
Individual APIs this provider publishes, each with its own machine-readable definition.
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.
Scroll for all 8
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Microsoft Windows Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Microsoft Windows Finops
FINOPSSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Source (apis.yml)
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.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/providers/microsoft-windows"
curl "https://apis.io/api/v1/providers?limit=25"
curl "https://apis.io/api/v1/providers/microsoft-windows/operations?limit=25"
curl "https://apis.io/api/v1/providers/microsoft-windows/evidence"
Discovery needs no key. Ratings and market analysis are Pro.