HUhubspot
Event Attendees

Record Participants by ContactId with Marketing Event External Ids

Changed on

Records the participation of multiple HubSpot contacts in a Marketing Event using their HubSpot contact IDs.

Additional Functionality:

  • Adds a timeline event to the contacts.

Allowed Properties: For the state "attend":

  • joinedAt
  • leftAt
post/marketing/marketing-events/2026-03/attendance/{externalEventId}/{subscriberState}/create

Request

  • Base URL
    https://api.hubapi.com
  • URL
    https://api.hubapi.com/marketing/marketing-events/2026-03/attendance/{externalEventId}/{subscriberState}/create
  • Auth
    • HTTP bearer
    • or API key in query parameter hapikey
    • or none

Path parameters

externalEventIdstring required
subscriberStatestring required

Query parameters

externalAccountIdstring

Request body

Response

successful operation

completedAtstring date-time required

Timestamp that represents when the request finished processing

linksobject

Result of the request

numErrorsinteger

The number of errors that occurred during the processing

requestedAtstring date-time

Timestamp that represents when the request was made

startedAtstring date-time required

Timestamp that represents when the request started processing

status'CANCELED' | 'COMPLETE' | 'PENDING' | 'PROCESSING' required

The status of the request processing

Changes

  • b0d8bc008db9Revision changes
    • info

      api operation id post-/marketing/marketing-events/2026-03/attendance/{externalEventId}/{subscriberState}/create_recordByContactIds removed and replaced with post-/marketing/marketing-events/2026-03/attendance/{externalEventId}/{subscriberState}/create

  • 62586336cea2Revision changes
    • info

      endpoint added

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