API Feature Request - Millisecond Timestamp Precision for Event Attribution

​@3lgohari, can you share a bit more detail on why you’re trying to re-create Klaviyo’s attribution via raw events vs. using the Reporting API? If you used the latter, you’d have consistent results with Klaviyo. 

That said, I believe you can use `?include=attributions` on the Get Events API to see for a given event (e.g. for a “Placed Order” event), which email event it’s attributed to.

Cadence / Book a demo

Thanks for the response We do use ?include=attributions and it works well.

However, we have two reasons why we re-compute attribution locally:

1. Custom Attribution Windows: We allow clients to configure different 
   attribution windows in our app than what's set in their Klaviyo account 
   (e.g., 24h clicks instead of 5-day).

2. Message-Level Attribution: The attributions returned for Placed Order 
   events only include flow_id, not message_id. Our app provides analytics 
   at the flow MESSAGE level ,  so we need to determine which specific message within a flow drove the 
   conversion.
 

   We validated this: out of 1,090 flow-attributed Placed Orders, 100% have 
   flowId but 0% have messageId in the attribution response.
 

Is there a way to get message-level attribution from the API ( event level )? Or is this 
data only available in the Reporting API / dashboard exports?

For the tiebreaker issue (same-second interactions), millisecond precision 
would help us match Klaviyo's logic more precisely.