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Update a custom workflow action

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Update a custom workflow action

with HubSpot
Works with AI assistants

Use HubSpot: its Hubspot Definitions API lets you update a custom workflow action in a single step (PATCH /automation/actions/2026-09/{appId}/{definitionId}). 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 change the URL an existing custom action calls?
  • How do I publish or unpublish a custom action I already created?
Say it to your AI assistant
  • Point existing action {definitionId} in app {appId} at {actionUrl}.
  • Set published to {published} on action {definitionId} for app {appId}.
For your developer

PATCH /automation/actions/2026-09/{appId}/{definitionId} in Hubspot Definitions API. Full spec on APIs.io.

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