Microsoft Entra ID (formerly Azure AD) · Rate Limits

Azure Ad Rate Limits

Published throttling limits for the Microsoft Entra ID directory surface of Microsoft Graph. The Identity and Access service meters a token bucket of ResourceUnits per application+tenant pair rather than a flat request count, and — unlike the rest of Microsoft Graph — returns no Retry-After header on 429.

Azure Ad Rate Limits is the machine-readable rate-limit profile for Microsoft Entra ID (formerly Azure AD) on the APIs.io network, in the API Commons Rate Limits shape.

It captures 8 rate-limit definitions, measuring resource_units and requests.

Limit state is signalled in the retryAfter, limit, remaining, and reset response headers, and an exhausted limit returns HTTP 429.

The profile also includes response codes documented for throttled, quotaExceeded, and serviceUnavailable.

Tagged areas include Authentication, Authorization, Identity, Rate Limiting, and Throttling.

8 Limits Exhausted: HTTP 429 Quota: 429 retryAfterlimitremainingreset
Transcribed from the provider's documentation on 2026-09-06 — learn.microsoft.com/en-us/graph/throttling and learn.micr....
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AuthenticationAuthorizationIdentityRate LimitingThrottlingQuotas

Limits

Identity and access — read quota, small tenant application+tenant pair
resource_units · per 10 seconds
3500/10 seconds
Identity and access — read quota, medium tenant application+tenant pair
resource_units · per 10 seconds
5000/10 seconds
Identity and access — read quota, large tenant application+tenant pair
resource_units · per 10 seconds
8000/10 seconds
Identity and access — write quota per application+tenant pair application+tenant pair
requests · per 2 minutes 30 seconds
3000/2 minutes 30 seconds
Identity and access — read quota per application (all tenants) application
resource_units · per 20 seconds
150000/20 seconds
Identity and access — write quota per application (all tenants) application
requests · per 5 minutes
35000/5 minutes
Identity and access — write quota per tenant (all applications) tenant
requests · per 5 minutes
18000/5 minutes
Microsoft MCP Server for Enterprise user
requests · per 1 minute
100/1 minute
Applies on top of the Graph limits above; calls made through microsoft_graph_get also consume the Identity and access quota.

Work with this as data

Every rate limit 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 rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • 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.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/azure-ad-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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