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Unsubscribe a contact from everything

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

Get something done

Unsubscribe a contact from everything

with HubSpot
Works with AI assistants

Use HubSpot: its Hubspot Definitions API lets you unsubscribe a contact from everything in a single step (POST /communication-preferences/2026-09/statuses/{subscriberIdString}/unsubscribe-all). 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.

  • How do I opt a contact out of every email subscription at once?
  • Can I unsubscribe someone from all emails within just one business unit?
Say it to your AI assistant
  • Unsubscribe {subscriberIdString} from all {channel} subscriptions.
  • Opt out {subscriberIdString} from every {channel} subscription in business unit {businessUnitId}.
For your developer

POST /communication-preferences/2026-09/statuses/{subscriberIdString}/unsubscribe-all in Hubspot Definitions API. Full spec on APIs.io.

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