Event Deduplication is required for advertisers using both the TikTok Pixel and Events API to share duplicate copies of events, which report the exact conversion on their website. If TikTok recognizes that events overlap and are duplicate copies of the exact conversion, we will keep and enrich the first event to ensure that no double counting of such events will occur for the purposes of measurement and reporting. All deduplicated events are used to help advertisers measure, optimize, and target their ads on TikTok.
To determine if event deduplication is required, please review the following scenarios:
Deduplication is not required if an advertiser shares different events separately between the Pixel and the Events API, without event overlap.
For example, sharing AddToCart events through the Pixel, and CompletePayment events through the Events API.
Deduplication is required if an advertiser shares the same events through the Pixel and the Events API, with event overlap.
For example, sharing CompletePayment events through both Pixel and the Events API.