> For the complete documentation index, see [llms.txt](https://docs.quickreply.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.quickreply.ai/product-modules/ai-builder/nodes/add-and-send-data/audio.md).

# Audio

An **Audio node** is used to send an audio file as a message to the user. It looks like this

<figure><img src="/files/TlpSeczB9FagxnUXekl8" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
This node is supported only for **WhatsApp chatbots**.
{% endhint %}

#### Fields

* **Audio file** (required) - Upload the audio file that needs to be sent to the user.

#### Supported Formats

The following audio formats are supported:

* aac
* midi
* mid
* mp3
* oga
* opus
* wav
* weba