Pinterest Attribution Window: Defaults, Settings, and Reporting Lag
Pinterest's attribution window - the conversion window, in Pinterest's terms - is the defined number of days from when a user views or clicks a Pin before a conversion counts for it. The window decides how much credit a campaign collects, and the settings live per ad account in Ads Manager, which makes window mismatch the first thing to check whenever Pinterest's numbers disagree with a tracker's.
Defaults and Configuration
Pinterest documents the default explicitly: if no conversion window is selected in Ads Manager, the reporting shows data for 1-day view and 30-day click - conversions that happened one day after a view and thirty days after a click. The window is a setting, not a constant: each ad account selects its own conversion window, and the choice can be saved as the default for the advertiser account. Longer windows fit considered purchases with long decision cycles; shorter ones fit impulse buying - Pinterest's own guidance frames the choice that way.
Last-Touch Reading in Conversion Insights
Conversion insights, Pinterest's reporting surface for conversions, uses a last-touch model: insights reflect the last Pin a user engaged with before checking out, whether an organic Pin or an ad. Two reading rules apply follow. First, insights and Ads Manager can disagree because they answer different questions - the last touch versus the attributed campaign under the window. Second, the insights conversion window mirrors the Ads Manager reporting preference, and a 60-day preference falls back to the closest available window because Conversion insights does not offer 60 days.
What This Means Against a Tracker
| Difference | Typical tracker | |
|---|---|---|
| Click window default | 30 days | Often 7 days - fewer conversions, by design |
| View-through credit | Counted by default in the view+click type | Rarely counted |
| Attribution date | The day of the view or click | Often the completion day |
- Match the windows: align the tracker's window with Pinterest's setting.
- Compare closed periods, so no report is still maturing.
- Only then audit the pipeline for real faults. The cross-platform window map - including Reddit's and Snap's defaults - is in the parameter matrix, the delivery mechanics in the complete guide - offline conversions included - and the pipeline faults in Pinterest conversion events. For a one-off sanity send during reconciliation, the free Pixel Activator posts valid Pinterest events without a pipeline.