Microsoft Planner · Rate Limits

Microsoft Planner Rate Limits

Microsoft Planner is administered exclusively via the Microsoft Graph planner endpoints. Microsoft does not publish Planner-specific per-second / per-minute throttling numbers; Planner inherits the Microsoft Graph global ceiling (130,000 requests per 10 seconds per app) and the Identity & Access per-app-per-tenant ResourceUnit budget for user / group lookups. Returns 429 Too Many Requests with Retry-After.

Microsoft Planner Rate Limits is the machine-readable rate-limit profile for Microsoft Planner on the APIs.io network, in the API Commons Rate Limits shape.

It captures 4 rate-limit definitions, measuring requests_per_10_seconds, resource_units_per_10_seconds, requests_per_2m30s, and varies.

Limit state is signalled in the retryAfter, requestId, throttleScope, and throttleLimit response headers, and an exhausted limit returns HTTP 429.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

The profile also includes 5 backoff/retry policies defined and response codes documented for throttled, serviceUnavailable, and preconditionFailed.

Tagged areas include Rate Limiting, Project Management, Tasks, Microsoft Graph, and Microsoft.

4 Limits Exhausted: HTTP 429 retryAfterrequestIdthrottleScopethrottleLimit
Method: generated, dated 2026-05-05.
Written by API Evangelist on 2026-05-05 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
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Rate LimitingProject ManagementTasksMicrosoft GraphMicrosoft

Limits

Microsoft Graph global ceiling application
requests_per_10_seconds · second
130000
Identity & Access (read) per app/tenant app/tenant
resource_units_per_10_seconds · second
3500–8000 RU per 10s based on tenant size
Identity & Access (write) per app/tenant app/tenant
requests_per_2m30s · second
3000
Planner endpoints app/tenant
varies
see Microsoft Graph throttling guidance — no Planner-specific numbers published

Policies

ETag concurrency
Planner uses optimistic concurrency. Every PATCH / DELETE must include the If-Match header with the resource ETag; mismatches return 412 Precondition Failed.
Backoff Strategy
Honour Retry-After on 429 / 503; the Microsoft Graph SDK handlers do this automatically.
Use change notifications
Subscribe to plan and task change notifications instead of polling.
Use $batch
Combine read calls in $batch envelopes; each is throttled individually.
Group-aware writes
Each plan is owned by a Microsoft 365 Group; bulk writes that touch many plans across a tenant should be rate-paced to avoid hitting Identity & Access write limits.

Sources

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

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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.
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Call it yourself

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curl "https://apis.io/api/v1/rate-limits?limit=25"

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