Copy all members from one list into another
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Copy all members from one list into another
with HubSpot
Works with AI assistants
Use HubSpot: its Hubspot Basic API lets you copy all members from one list into another in a single step (PUT /crm/lists/2026-03/{listId}/memberships/add-from/{sourceListId}). 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 copy every record from one list into another list?
- How do I merge the members of two lists into one?
Say it to your AI assistant
- Add all records from list {sourceListId} to list {listId}.
- Copy the members of source list {sourceListId} into destination list {listId}.
For your developer
PUT /crm/lists/2026-03/{listId}/memberships/add-from/{sourceListId} in Hubspot Basic API. Full spec on APIs.io.