HUhubspot
Event Attendees

Changes to Record Participants by ContactId with Marketing Event External Ids

post/marketing/marketing-events/2026-09/attendance/{externalEventId}/{subscriberState}/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

    • info

      the // request property format was generalized from int32 to int64