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At this time, what you are asking is not possible through a webhook subscription. The
contact.creation webhook subscription will not return all the properties which were set when the record was created; HubSpot only notifies you that a contact was created.
- Creating multiple
contact.propertyChange subscriptions to the properties you want to watch. Per this topic, it's not possible to subscribe to "any property change."
- Retrieving the contact with this endpoint with the
vid the webhook returns. Per the documentation, "By default, you will get all properties that the contact has values for," so if you call that endpoint, you can then see all properties which were set upon creation.