I try to integrate Segment and Marketo as it would ease our life. Unfortunately, right now, it creates duplicates leads.
Indeed, Marketo is not able to merge the anonymous Lead with the new lead who submitted the form.
We've followed Segment's best practice.
But unfortunately, it does not work (we are going to try the last advice, pass email in the call, and track call). Indeed, even if the field AnonymousId is not empty, the lookup is done through userId, so it creates a new user.
Do you have any good advice to make this integration work?
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