Packback · Rate Limits

Packback Rate Limits

Packback does not publish a public developer REST API, and therefore does not publish developer-facing rate limits (RPM/TPM/quotas). The integration surface is the IMS Global LTI standard; any throttling that exists applies to LTI launches, Assignment and Grade Services (AGS) grade passback, and Names and Role Provisioning Services (NRPS) roster calls between the LMS and Packback, and is governed by the LMS and Packback's internal infrastructure rather than a documented public quota. No reconcilable rate-limit values are published.

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

It captures 2 rate-limit definitions, measuring requests.

An exhausted limit returns HTTP not documented.

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 2 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Education, EdTech, AI, LTI, and Rate Limiting.

2 Limits Exhausted: HTTP not documented
Method: generated, dated 2026-06-21.
Written by API Evangelist on 2026-06-21 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
EducationEdTechAILTIRate LimitingQuotas

Limits

Public REST API Limits account
requests
not applicable - no public REST API
Packback does not publish a public developer REST API; there are no documented developer rate limits.
LTI Advantage Service Calls (AGS / NRPS) integration
requests
governed by the LMS and platform, not publicly documented
Grade passback (AGS) and roster (NRPS) calls between the LMS and Packback follow LMS-side and platform-side limits; no public values published.

Policies

LMS-Governed Throttling
Any throttling of LTI service calls is governed by the LMS platform and Packback's infrastructure, not a published public quota.
No Public API Quotas
With no public developer API, there are no API keys, plans, or documented per-key rate limits to honor.

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.
All 92 tools →

Call it yourself

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

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