Record attendance by contact ID for a HubSpot event
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Record attendance by contact ID for a HubSpot event
with HubSpot
Works with AI assistants
Use HubSpot: its Marketing Marketing Events Event Attendees API lets you record attendance by contact ID for a HubSpot event in a single step (POST /marketing/marketing-events/2026-09/{objectId}/attendance/{subscriberState}/create). HubSpot also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.
- Can I mark contacts as registered, attended or cancelled using the marketing event's HubSpot object ID and their contact IDs?
- Does recording contact IDs against a marketing event's internal ID add a timeline event to each contact?
Say it to your AI assistant
- Record contact IDs {inputs} as {subscriberState} on marketing event {objectId}.
- Mark contact IDs {inputs} as attended at HubSpot marketing event {objectId} with state {subscriberState}.
For your developer
POST /marketing/marketing-events/2026-09/{objectId}/attendance/{subscriberState}/create in Marketing Marketing Events Event Attendees API. Full spec on APIs.io.