moj ads optimization: persistent pixel firing issues causing inaccurate conversion tracking discrepancies

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Lucia Perez Author
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2 weeks ago Asked
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2 Replies
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  • just launched a new moj ads campaign, but i'm seeing weird conversion tracking issues.
  • the moj pixel seems to fire, but reported conversions are wildly off, almost like duplicate events or misattribution.

i'm seeing this kind of thing in the debug console:

MojAds.PixelError: Event 'Purchase' fired without valid transaction_id. Status: 400 Bad Request.

has anyone dealt with persistant moj ads conversion tracking issues like this? need to pinpoint where the discrepancy's coming from.

waiting for an expert reply.

2 Answers

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Ji-hoon Li
Answered 1 week ago

Hey Lucia Perez, dealing with "persistant" (ahem, *persistent*) pixel issues is one of the joys of digital marketing, isn't it? That transaction_id error is a classic indicator of misconfigured event parameters.

  • Ensure your Moj Ads Purchase event is consistently passing a unique transaction_id for each conversion. This is fundamental for accurate server-side tracking and proper deduplication.
  • Double-check that your pixel is firing only once per actual conversion and that the transaction_id is dynamic and unique for every successful purchase.
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Lucia Perez
Answered 1 week ago

U nailed it with the transaction_id, that fixed the duplicate events! But now I'm seeing other events like "Add to Cart" acting kinda weird, have you ever seen fixing one thing cause issues elsewhere?

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