> For the complete documentation index, see [llms.txt](https://oten.gitbook.io/trust-support/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://oten.gitbook.io/trust-support/documentation/api-reference/integration-guidelines/idempotency.md).

# Idempotency

Repeated scans of the same URL within a short time window may return cached results. The crawl interval is approximately 7 days. If cached data exists and is fresh, a `result` event is emitted immediately without progress events.