# Initiate WhatsApp conversations You can use Chat Flow to initiate a WhatsApp conversation with your customers. This opens up many possibilities to contact your customers on WhatsApp without having to wait for them to reach out first (e.g., sending reminders, shipping updates, marketing messages, promotions, etc.). When initiating a conversation with customers via WhatsApp, you must use a [WhatsApp message template](https://guides.clickatell.com/whatsapp-channel/channel-capabilities/whatsapp-message-templates). Chat Flow makes use of a dynamic API flow that gets triggered by an incoming payload. This sends out a pre-approved WhatsApp message template to the specified numbers. {% hint style="info" %} Learn how to send WhatsApp message templates via Chat Flow [here](/chat-flow/channel-capabilities/use-whatsapp-with-chat-flow/send-whatsapp-message-templates.md). {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.clickatell.com/chat-flow/channel-capabilities/use-whatsapp-with-chat-flow/initiate-whatsapp-conversations.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.