curl --request GET \
--url https://api.hubapi.com/marketing/marketing-events/2026-03/participations/{externalAccountId}/{externalEventId} \
--header 'Authorization: Bearer <token>'{
"attended": 123,
"cancelled": 123,
"noShows": 123,
"registered": 123
}curl --request GET \
--url https://api.hubapi.com/marketing/marketing-events/2026-03/participations/{externalAccountId}/{externalEventId} \
--header 'Authorization: Bearer <token>'{
"attended": 123,
"cancelled": 123,
"noShows": 123,
"registered": 123
}Supported products
Required Scopes
The access token received from the authorization server in the OAuth 2.0 flow.
The accountId that is associated with this marketing event in the external event application.
The id of the marketing event in the external event application.
successful operation
Number of attended contact records of a marketing event
Number of cancelled contact records of a marketing event
Number of no-show contact records of a marketing event
Number of registered contact records of a marketing event