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POST
/
{instance}
/
send-voice
curl --request POST \
  --url https://app.hypersender.com/api/whatsapp/v1/{instance}/send-voice \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "chatId": "[email protected]",
  "url": "http://commondatastorage.googleapis.com/codeskulptor-assets/week7-brrring.m4a",
  "caption": "hypersender",
  "reply_to": "string"
}
'
{
  "key": {
    "remoteJid": "[email protected]",
    "fromMe": true,
    "id": "3EB089F063C03E43EECE9D"
  },
  "message": {
    "audioMessage": {
      "url": "https://mmg.whatsapp.net/v/t62.7119-24/31809967_2958746007616712_3774955636954933761_n.enc?ccb=11-4&oh=01_Q5AaIPHnpFjuJwCULeqyHMcDO55BAj3YxolxEVLGXVvVkaKM&oe=67F2DD3D&_nc_sid=5e03e0&mms3=true",
      "mimetype": "audio/ogg",
      "fileSha256": "ubfaNZ4rY7T7/ghhWnBh1cVf1d00JSHENKunZuHs+yc=",
      "fileLength": 18886,
      "seconds": 10,
      "ptt": true,
      "mediaKey": "ARUCxn91XDCjmCvFecREY4Fpg9RSOYa8O5D7TxGWGkE=",
      "fileEncSha256": "ER9FB+GEzrKmooWDbNpqenokG1mAtvbIU+Ceo7JeNwQ=",
      "directPath": "/v/t62.7119-24/31809967_2958746007616712_3774955636954933761_n.enc?ccb=11-4&oh=01_Q5AaIPHnpFjuJwCULeqyHMcDO55BAj3YxolxEVLGXVvVkaKM&oe=67F2DD3D&_nc_sid=5e03e0",
      "mediaKeyTimestamp": 1741390160,
      "waveform": "AAIIAQ0nKCcdX2NTSkUqHQ4KAgICBAUGAwEAAAAAAAAAAAQFARAmMlFQVT4PHkggAgEHGVldZFpGMBYKAwQEBg=="
    }
  },
  "messageTimestamp": 1741390160,
  "status": "PENDING"
}
This specialized endpoint will allow you to send voice as if you were recording directly in the WhatsApp application.

​
You can send voice messages in two ways:

​
Provide a URL for the voice audio.

send-voice-url
Please note that the URL must be publicly accessible and not require any authentication or special headers to access the file.

​
Send the voice audio it self as a file upload.

send-voice-file
send-voice-preview

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

​
Accept
string
Example:

"application/json"

​
Content-Type
string
Example:

"application/json"

Path Parameters

​
instance
string
required
Example:

"{{ instance_id }}"

Body

application/json

Require to use multipart/form-data

​
chatId
string
required

Contact number - see chatId docs

Example:

"[email protected]"

​
url
string

url to send (required without file)

​
file
string

file to send (required without url)

​
caption
string

caption for the file

​
reply_to
string

reply to message id

Response

Successful response

​
key
object
​
message
object
​
messageTimestamp
string
​
status
string