Microsoft Windows 10 · Rate Limits

Microsoft Windows 10 Rate Limits

Windows 10 platform APIs (Win32, UWP, WinRT) execute in-process on the local device and are not exposed as a hosted, metered HTTP API; there are no per-second / per-minute network rate limits to publish. Network-facing services that ride on Windows 10 (Microsoft Store, Windows Update, Microsoft Graph) are governed by their own throttling models.

Microsoft Windows 10 Rate Limits is the machine-readable rate-limit profile for Microsoft Windows 10 on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 3 rate-limit definitions, measuring varies.

The profile also includes 2 backoff/retry policies defined.

Tagged areas include Rate Limiting, Operating System, and Microsoft.

3 Limits
Rate LimitingOperating SystemMicrosoft

Limits

Local platform APIs (Win32 / UWP / WinRT) device
varies
Local in-process calls; no per-second network rate limit
Subject only to OS / handle / quota constraints on the local device.
Microsoft Store for Business / Consumer account
varies
Governed by Microsoft Graph throttling; see Graph throttling guidance
Windows Update for Business / WSUS account
varies
Per-tenant; published by Microsoft endpoint manager / Intune docs

Policies

Honor Retry-After
For network-facing services consumed from Windows 10 (Microsoft Graph, Store, Update), honor the Retry-After header on 429 responses.
Local resource governance
Win32 / WinRT APIs may return ERROR_TOO_MANY_OPEN_FILES / RPC_S_OUT_OF_RESOURCES / similar local resource errors; design for graceful retry.

Sources