> For the complete documentation index, see [llms.txt](https://docs.flowbridge.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flowbridge.app/documentation/advanced-use-cases/initiating-whatsapp-conversation-to-phone-numbers.md).

# Initiating WhatsApp conversation to phone numbers

You can read about it on the whatsapp specific category on the [Meta's Custom Templates API](/documentation/social-integrations/whatsapp/metas-custom-templates-api.md) page