Existing data in v1/v2 migration?

Question

Hello,We have a custom Klaviyo integration for our ecommerce infrastructure, which has been using the v1/v2 APIs for a couple of years.I have fully understood and tested the differences between event structure in the v1/v2 APIs and the new APIs and how to migrate event generating code from the old format to the new format.However, what I can’t quite establish is, what happens to all the existing events data (and profiles) - do we need to re-upload all historical data in the new format?I.e. Are historical events already uploaded via v1/v2 100% compatible with equivalent events uploaded with the new APIs?Are we required to delete all existing metrics and re-upload using the new APIs?Thanks in advance!Mat.

saulblum · Accepted Answer

Correct, only the API call to create the events is different; any existing events will stay in the profiles, regardless of how they were created (old API, integration, CSV upload, etc.).

saulblum · Answer

Hi! Updating to the latest APIs won’t have any effect on existing profiles and events. In fact, the only way to remove an event from a profile is to delete the entiremetric from the account.

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