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Hi there, and especially HubSpot team if you read this 👋
Quick question about the CRM API batch endpoints. I’m using /crm/v3/objects/contacts/batch/upsert, and I noticed that objectWriteTraceId doesn’t seem to work at all with upserts (not just when using email as idProperty).
Whenever I include objectWriteTraceId, I get an error saying it’s not supported, even though the docs mention it’s specifically there to allow partial success handling. Or, at best, it’s completely ignored and the whole batch fails if one of the object has an error.

So I’m wondering:

Would be super helpful to understand the design choices here. Thanks!