> ## Documentation Index
> Fetch the complete documentation index at: https://docs.karzoun.chat/llms.txt
> Use this file to discover all available pages before exploring further.

# customersChangeState

> Change the lifecycle state for a customer (e.g., lead → customer); value expects a known state key.



## Related topics

- [MCP tool catalog](/mcp-server/tools/catalog.md)
- [customersAdd](/api-reference/mutations/customersAdd.md)
- [WhatsApp calling](/help-center/guides/whatsapp/whatsapp-calling.md)
- [Webhooks](/miniapps/guides/webhooks.md)
- [Email channels](/help-center/guides/channels/email-channels.md)