> For the complete documentation index, see [llms.txt](https://docs.cartat.net/cartat-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cartat.net/cartat-api/whatsapp-official-api.md).

# WhatsApp Official API

Use this section for the official WhatsApp connection powered by Meta Cloud API. It covers how Cartat selects the official provider, how to send messages and templates, and how Meta daily send usage is deducted after successful sends.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Official connection</strong></td><td>Understand the official sending flow and provider selection.</td><td></td></tr><tr><td><strong>Send messages</strong></td><td>Send Meta text messages and approved templates.</td><td></td></tr><tr><td><strong>Daily limit</strong></td><td>See when Cartat deducts one Meta daily send usage.</td><td></td></tr></tbody></table>