Get a custom event definition
One step with HubSpot. We can help you get access.
Look something up
Get a custom event definition
with HubSpot
Works with AI assistants
Use HubSpot: its Hubspot Basic API lets you get a custom event definition in a single step (GET /events/v3/2026-09/event-definitions/{eventName}). 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.
- What properties does a custom event definition include?
- Can I look up one custom event by its name?
Say it to your AI assistant
- Show event definition {eventName}.
- Get the properties defined on custom event {eventName}.
For your developer
GET /events/v3/2026-09/event-definitions/{eventName} in Hubspot Basic API. Full spec on APIs.io.