HUhubspot
Event Attendees

Changes to Record Participants by Email with Marketing Event External Ids

post/marketing/marketing-events/2026-09/attendance/{externalEventId}/{subscriberState}/email-create
  • 2026-09e62ad9a49a20Revision changes
    • breaking

      the // response's property format changed from int32 to int64 for status

    • info

      the endpoint scheme security private_apps was removed from the API