> ## 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.

# engageMessageSendTestWhatsapp

> Send a one-off test WhatsApp template message, without creating or affecting
a campaign. Use to verify template rendering and variable mappings before
running [`engageMessageAdd`](/api-reference/mutations/engageMessageAdd) / [`engageMessageStart`](/api-reference/mutations/engageMessageStart).

<Note>
**Errors:** `Either conversationId, customerId or recipient must be provided` when neither `customerId` nor `recipient` is set.
</Note>

<small>

*Auth* · `x-app-token` · authenticated

*Related:* [`engageMessageAdd`](/api-reference/mutations/engageMessageAdd), [`EngageMessageWhatsappInput`](/api-reference/types/EngageMessageWhatsappInput)

</small>



## Related topics

- [engageMessageStart](/api-reference/mutations/engageMessageStart.md)
- [engageMessageAdd](/api-reference/mutations/engageMessageAdd.md)
- [engageMessageSendTestEmail](/api-reference/mutations/engageMessageSendTestEmail.md)
- [engageMessageRemove](/api-reference/mutations/engageMessageRemove.md)
- [EngageMessageWhatsapp](/api-reference/types/EngageMessageWhatsapp.md)