> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pilotstatus.com.br/llms.txt
> Use this file to discover all available pages before exploring further.

# Send voice audio

> Sends a WhatsApp voice/PTT audio by public URL (base64 and multipart file upload are also supported).



## OpenAPI

````yaml openapi.evolution-v2.json POST /message/sendWhatsAppAudio/{instance}
openapi: 3.1.0
info:
  title: Evolution V2 Layer
  version: 1.0.0
  description: >-
    Pilot Status API Layer — Evolution V2. Base URL
    `https://pilotstatus.com.br/api/layer/evolution-v2`. Authenticate with the
    `apikey` header (your Pilot Status `ps_` key). Instance/session endpoints
    are NOT available through the layer.
servers:
  - url: https://pilotstatus.com.br/api/layer/evolution-v2
security:
  - apiKey: []
tags:
  - name: Call & Business
  - name: Chat
  - name: Group
  - name: Label
  - name: Message
  - name: Profile
  - name: Settings & Proxy
  - name: Storage (S3)
  - name: Template
paths:
  /message/sendWhatsAppAudio/{instance}:
    post:
      tags:
        - Message
      summary: Send voice audio
      description: >-
        Sends a WhatsApp voice/PTT audio by public URL (base64 and multipart
        file upload are also supported).
      operationId: post__message_sendWhatsAppAudio_instance
      parameters:
        - name: instance
          in: path
          required: true
          schema:
            type: string
          description: The number's display name in the Pilot Status dashboard.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                number:
                  type: string
                  description: Recipient phone in E.164 without `+`, or a JID.
                  example: '5511999999999'
                audio:
                  type: string
                  description: Public URL (or base64) of the audio file.
                  example: https://media.pilotstatus.com.br/voice.ogg
                delay:
                  type: integer
                  description: Delay before sending, in milliseconds.
                quoted:
                  type: object
                  description: Message to quote/reply to (`key`, `message`).
                everyOne:
                  type: boolean
                  description: Mention everyone in the group.
                mentioned:
                  type: array
                  items:
                    type: string
                  description: Array of numeric strings to mention.
              required:
                - number
                - audio
      responses:
        '200':
          description: Success — provider-native response body.
          content:
            application/json:
              schema:
                type: object
                description: >-
                  Sent voice audio (PTT). Returns the persisted Baileys
                  messageRaw envelope.
                properties:
                  key:
                    type: object
                    properties:
                      remoteJid:
                        type: string
                        description: Recipient JID.
                      fromMe:
                        type: boolean
                      id:
                        type: string
                  pushName:
                    type: string
                  status:
                    type: string
                    enum:
                      - ERROR
                      - PENDING
                      - SERVER_ACK
                      - DELIVERY_ACK
                      - READ
                      - PLAYED
                  message:
                    type: object
                    properties:
                      audioMessage:
                        type: object
                        description: Voice/audio content.
                        properties:
                          url:
                            type: string
                            description: Encrypted WhatsApp CDN URL.
                          mimetype:
                            type: string
                            description: Typically 'audio/ogg; codecs=opus'.
                          fileSha256:
                            type: string
                          fileLength:
                            type: string
                          seconds:
                            type: integer
                            description: Audio duration in seconds.
                          ptt:
                            type: boolean
                            description: True for push-to-talk voice notes.
                          mediaKey:
                            type: string
                          directPath:
                            type: string
                  contextInfo:
                    type:
                      - object
                      - 'null'
                  messageType:
                    type: string
                  messageTimestamp:
                    type: integer
                  instanceId:
                    type: string
                  source:
                    type: string
              example:
                key:
                  remoteJid: 5511999999999@s.whatsapp.net
                  fromMe: true
                  id: 3EB0AABBCCDDEEFF001122
                pushName: Você
                status: PENDING
                message:
                  audioMessage:
                    url: >-
                      https://mmg.whatsapp.net/v/t62.7117-24/11223_334455667788990_1122334455667788990_n.enc
                    mimetype: audio/ogg; codecs=opus
                    fileSha256: QVVESU9NRVNTQUdFU0hBMjU2RVhBTVBMRT0=
                    fileLength: '18734'
                    seconds: 5
                    ptt: true
                    mediaKey: QVVESU9NRURJQUtFWUJBU0U2NEVYQU1QTEU9
                    directPath: >-
                      /v/t62.7117-24/11223_334455667788990_1122334455667788990_n.enc
                contextInfo: null
                messageType: audioMessage
                messageTimestamp: 1720483380
                instanceId: a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d
                source: web
        default:
          description: Error — provider or layer error.
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                  error:
                    type: string
                  message:
                    type: string
                  response:
                    type: object
              example:
                status: 400
                error: Bad Request
                message: Invalid payload
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: apikey
      description: >-
        Your Pilot Status API key (ps_...). Evolution GO also accepts
        `Authorization: Bearer <key>`.

````