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List custom event definitions

One step with HubSpot. We can help you get access.

Look something up

List custom event definitions

with HubSpot
Works with AI assistants

Use HubSpot: its Hubspot Basic API lets you list custom event definitions in a single step (GET /events/v3/2026-09/event-definitions). 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 custom behavioral events have been defined?
  • Can I search custom event definitions by name?
Say it to your AI assistant
  • List custom event definitions.
  • Search event definitions for {searchString}.
For your developer

GET /events/v3/2026-09/event-definitions in Hubspot Basic API. Full spec on APIs.io.