HubSpot: Read participations counters by Marketing Event internal identifier

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Operation hubspot.marketing_events_get_participations_by_marketing_event_id

Provider route: GET /marketing/marketing-events/2026-09/participations/{marketingEventId}. Alter supplies the connection’s credentials and routing.

Call through Alter

Install @alter-ai/sdk @alter-ai/hubspot with npm, or alter-sdk-hubspot with pip. Supply your connected customer’s grant ID and the arguments described below.

import { App } from "@alter-ai/sdk";
import { HubSpotIntegration } from "@alter-ai/hubspot";

async function execute(input: Parameters<HubSpotIntegration["marketingEvents"]["getParticipationsByMarketingEventId"]>[0]) {
  const app = new App({ apiKey: process.env.ALTER_API_KEY! });
  try {
    const provider = new HubSpotIntegration(app, { grantId: process.env.PROVIDER_GRANT_ID! });
    const call = await provider.marketingEvents.getParticipationsByMarketingEventId(input);
    const result = await call.wait();
    return result.bodyJson();
  } finally {
    await app.close();
  }
}

import os
from alter_sdk import App
from alter_sdk_hubspot import HubSpotIntegration

async def execute(arguments):
    async with App(api_key=os.environ["ALTER_API_KEY"]) as app:
        provider = HubSpotIntegration(app, {"grant_id": os.environ["PROVIDER_GRANT_ID"]})
        call = await provider.marketing_events.get_participations_by_marketing_event_id(arguments)
        result = await call.wait()
        return result.body_json()

Input

Field	Type	Presence	Description and constraints
$	object	Root	Additional keys: not allowed
path	object	Required within parent	Additional keys: not allowed
path.marketingEventId	integer	Required within parent	Format: int64

Response

Response media type: application/json. The table describes the pinned successful response. Referenced models link to their complete fields.

Field	Type	Presence	Description and constraints
$	Model	Root	Expand Read participations counters by Marketing Event external identifier — response body

Referenced models: Read participations counters by Marketing Event external identifier — response body

Schemas

Read participations counters by Marketing Event external identifier — response body

Field	Type	Presence	Description and constraints
$	object	Root
attended	JSON	Required within parent
attended (anyOf 1)	integer	Alternative	Number of attended contact records of a marketing event Format: int32
attended (anyOf 2)	string	Alternative	Pattern: ^-?[0-9]+(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?$
cancelled	JSON	Required within parent
cancelled (anyOf 1)	integer	Alternative	Number of cancelled contact records of a marketing event Format: int32
cancelled (anyOf 2)	string	Alternative	Pattern: ^-?[0-9]+(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?$
noShows	JSON	Required within parent
noShows (anyOf 1)	integer	Alternative	Number of no-show contact records of a marketing event Format: int32
noShows (anyOf 2)	string	Alternative	Pattern: ^-?[0-9]+(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?$
registered	JSON	Required within parent
registered (anyOf 1)	integer	Alternative	Number of registered contact records of a marketing event Format: int32
registered (anyOf 2)	string	Alternative	Pattern: ^-?[0-9]+(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?$

Policy, approvals and errors

SDK function policy ID: hubspot.marketing_events_get_participations_by_marketing_event_id. Catalog operation: marketing_events_get_participations_by_marketing_event_id. Rules can name either ID; function rules distinguish managed calls and conservatively cover raw calls sharing the route. Existing grant permissions and policy rules apply. wait() returns an immediate result or waits for a required approval; it never approves the request itself. Persist the approval ID to resume after a restart.

Provider errors retain their response; JSON decoding raises ProviderAPIError for provider failures. ManagedOperationError identifies contract/input/retention errors. See error handling and provider-specific behavior. Sensitive input may be refused before approval storage. A decoding error never resubmits a write.

Required provider scopes: ["crm.objects.marketing_events.read"]

Official provider source