Long time lurker, first time poster... so, please be patient with me.
I'm working with our developers to beef up our initial Marketo + CRM sync and incorporate Marketo lead ID's. Ideally we would like to use the Bulk Import API with Marketo's Lead ID being the primary key (no longer email) hoping this new method would correct email address changes. We just ran a test and it doesnt seem like the Bulk Import API incorporated the Marketo Lead ID at all. Does the Bulk Import API only use email address?
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