> ## Documentation Index
> Fetch the complete documentation index at: https://meta-7a297fb4-jp-cloud-test.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Send Audio

> Send an audio message to a WhatsApp user. Messages can be sent using either
a pre-uploaded media ID (recommended) or a direct link to the audio file.

### Important Notes:
- Audio files must be under 16MB
- Only specified audio formats are supported
- Rate limits apply to message sending
- Phone numbers must be in E.164 format