OSFI · Rate Limits

Osfi Rate Limits

No rate limit is published for the CKAN Action API serving OSFI's data, and no RateLimit-* or Retry-After headers are returned (verified 2026-07-25). What IS enforced is a WAF that rejects non-browser User-Agents, and page-size caps on the read actions.

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

It captures 3 rate-limit definitions, measuring records-per-response, rows-per-response, and requests-per-minute.

The profile also includes 2 backoff/retry policies defined and response codes documented for throttled and waf_rejection.

Tagged areas include Insurance, Canada, Regulator, Life Insurance, and Property and Casualty.

3 Limits
InsuranceCanadaRegulatorLife InsuranceProperty and CasualtyFinancial RegulationPrudential SupervisionOpen DataRisk DataMarket InfrastructureBankingBasel IIICapital AdequacyRegulatory ReportingPensions

Limits

datastore_search page size request
records-per-response
CKAN default limit when none is supplied; pass a larger limit explicitly and page with offset.
package_search page size request
rows-per-response
CKAN's ckan.search.rows_max default.
Requests per client client
requests-per-minute
None published; none observed.

Policies

Browser User-Agent required
Requests with a default curl/script User-Agent are answered with an HTML WAF page under HTTP 200. Send a browser User-Agent and assert Content-Type: application/json before parsing.
Backoff strategy
Exponential backoff with jitter on 5xx; harvest large return series (the PC1 resource alone is 693,693 records) in offset pages rather than one call.

Sources

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

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