Message Types
Audio
Send an audio file
POST
Path parameters
string
required
Unique identifier of the bot sending the message.
Body parameters
string
required
Message type. Must be
"audio".string
required
Message recipient. Accepts a phone number in E.164 format without the leading
+ (e.g. 593999999999) or a BSUID (e.g. US.13491208655302741918) for users who have enabled phone number privacy in WhatsApp. See Identifying the recipient.string
required
Public (HTTPS) URL of the audio file. Supported formats and maximum size depend on the channel (see the formats and limits by channel table).
Response
boolean
true if the message was sent successfully.string
Identifier of the sent message.
Formats and size limits by channel
URL Requirements
Common Errors
INVALID_MEDIA_URL- The audio URL is invalid or inaccessibleMEDIA_TOO_LARGE- The audio file exceeds the channel’s size limitUNSUPPORTED_MEDIA_TYPE- The audio format is not supported
Use Cases
- Sending voice messages
- Sharing music or podcasts
- Sending audio notifications
- Sharing recordings