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

# Get voice audio

> **Required scope:** `voice:read`



## OpenAPI

````yaml api-reference/features/communicate.json GET /platform/voice/audio/{assetId}
openapi: 3.0.3
info:
  title: Communicate API methods
  version: 1.0.0
  description: >-
    Task-focused communicate methods across supported Polymorfa connection
    types.
servers: []
security: []
paths:
  /platform/voice/audio/{assetId}:
    get:
      tags:
        - Voice
      summary: Get voice audio
      description: '**Required scope:** `voice:read`'
      operationId: managementGetVoiceAudio
      parameters:
        - schema:
            type: string
            format: uuid
          required: true
          name: assetId
          in: path
          description: |-
            Identifier for the asset.

            <!-- polymorfa-input-table -->
            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `uuid` |
      responses:
        '200':
          description: The audio asset.
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/management__PlatformAccessGetVoiceAudioResponse
        '400':
          description: Bad request — request body or params failed validation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/management__PlatformAccessPublicError'
              example:
                error:
                  type: invalid_request_error
                  code: invalid_parameter
                  message: Correct the invalid request field.
                  param: null
                  request_id: 5f0c2a8e-3b1d-4c6f-9e2a-7d4b1c8f6a30
                data: null
                docs: https://docs.polymorfa.com/api/errors#invalid-parameter
        '401':
          description: Missing or invalid authentication token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/management__PlatformAccessPublicError'
              example:
                error:
                  type: authentication_error
                  code: invalid_credential
                  message: Supply a valid credential.
                  param: null
                  request_id: 5f0c2a8e-3b1d-4c6f-9e2a-7d4b1c8f6a30
                data: null
                docs: https://docs.polymorfa.com/api/errors#invalid-credential
        '403':
          description: Authenticated but not permitted (missing scope or rule violation)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/management__PlatformAccessPublicError'
              example:
                error:
                  type: permission_error
                  code: permission_denied
                  message: The credential does not have access to this resource.
                  param: null
                  request_id: 5f0c2a8e-3b1d-4c6f-9e2a-7d4b1c8f6a30
                data: null
                docs: https://docs.polymorfa.com/api/errors#permission-denied
        '404':
          description: Resource not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/management__PlatformAccessPublicError'
              example:
                error:
                  type: invalid_request_error
                  code: resource_not_found
                  message: The resource is unavailable to this caller.
                  param: null
                  request_id: 5f0c2a8e-3b1d-4c6f-9e2a-7d4b1c8f6a30
                data: null
                docs: https://docs.polymorfa.com/api/errors#resource-not-found
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/management__PlatformAccessPublicError'
              example:
                error:
                  type: api_error
                  code: internal_error
                  message: >-
                    An unexpected service failure occurred. Keep the request ID
                    for support.
                  param: null
                  request_id: 5f0c2a8e-3b1d-4c6f-9e2a-7d4b1c8f6a30
                data: null
                docs: https://docs.polymorfa.com/api/errors#internal-error
      security:
        - management__ApiKeyAuth: []
      servers:
        - url: https://api.polymorfa.com
components:
  schemas:
    management__PlatformAccessGetVoiceAudioResponse:
      type: object
      properties:
        success:
          type: boolean
          enum:
            - true
          description: |-
            Whether the request succeeded.

            <!-- polymorfa-input-table -->
            **Allowed values**
            | Value | Meaning |
            | --- | --- |
            | `true` | True. |
        data:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceAudioAsset'
          description: Structured data carried by this object.
      required:
        - success
        - data
    management__PlatformAccessPublicError:
      type: object
      properties:
        error:
          type: object
          properties:
            type:
              type: string
              enum:
                - invalid_request_error
                - authentication_error
                - permission_error
                - conflict_error
                - rate_limit_error
                - api_error
                - upstream_error
              description: |-
                Type discriminator for this object.

                <!-- polymorfa-input-table -->
                **Allowed values**
                | Value | Meaning |
                | --- | --- |
                | `invalid_request_error` | Invalid request error. |
                | `authentication_error` | Authentication error. |
                | `permission_error` | Permission error. |
                | `conflict_error` | Conflict error. |
                | `rate_limit_error` | Rate limit error. |
                | `api_error` | Api error. |
                | `upstream_error` | Upstream error. |
            code:
              type: string
              enum:
                - invalid_parameter
                - invalid_credential
                - entitlement_required
                - gate_limit_reached
                - method_not_allowed
                - permission_denied
                - missing_scope
                - resource_not_found
                - hms_not_enabled
                - media_fetch_failed
                - resource_gone
                - feature_unavailable
                - stream_cursor_invalid
                - stream_cursor_expired
                - stream_connection_limit_reached
                - state_conflict
                - idempotency_conflict
                - idempotency_in_progress
                - idempotency_completed
                - idempotency_outcome_unknown
                - call_claimed
                - call_not_ringing
                - connection_limit
                - unsupported_for_connection
                - call_permission_required
                - invalid_sip_trunk
                - calls_disabled
                - call_recipient_opted_out
                - call_destination_blocked
                - call_permission_request_limited
                - call_permission_granted
                - call_opt_out_limit
                - number_restricted
                - sip_trunk_in_use
                - sip_trunk_revision_conflict
                - sip_trunk_limit
                - sip_unavailable
                - voice_not_enabled
                - provider_credential_invalid
                - provider_unavailable
                - asset_not_ready
                - voice_asset_in_use
                - voice_asset_revision_conflict
                - voice_unavailable
                - rate_limit_exceeded
                - internal_error
                - operation_not_supported
                - upstream_failure
                - service_unavailable
                - credential_verification_unavailable
                - session_not_ready
                - command_dispatch_failed
                - result_unknown
                - recipient_not_on_whatsapp
                - conversation_window_closed
                - template_not_approved
                - media_too_large
                - whatsapp_rate_limited
                - new_chat_limit_reached
                - whatsapp_account_restricted
                - bansafe_suspended
                - bansafe_org_suspended
                - bansafe_cold_blocked
                - bansafe_cold_held
                - bansafe_throttled
                - bansafe_daily_allowance_reached
                - bansafe_accounting_unavailable
                - bansafe_send_outcome_unknown
                - campaigns_not_entitled
                - campaign_throughput_capped
              description: >-
                Stable machine-readable code for this result.


                <!-- polymorfa-input-table -->

                **Allowed values**

                | Value | Meaning |

                | --- | --- |

                | `invalid_parameter` | Invalid parameter. |

                | `invalid_credential` | Invalid credential. |

                | `entitlement_required` | Entitlement required. |

                | `gate_limit_reached` | Gate limit reached. |

                | `method_not_allowed` | Method not allowed. |

                | `permission_denied` | Permission denied. |

                | `missing_scope` | Missing scope. |

                | `resource_not_found` | Resource not found. |

                | `hms_not_enabled` | Hms not enabled. |

                | `media_fetch_failed` | Media fetch failed. |

                | `resource_gone` | Resource gone. |

                | `feature_unavailable` | Feature unavailable. |

                | `stream_cursor_invalid` | Stream cursor invalid. |

                | `stream_cursor_expired` | Stream cursor expired. |

                | `stream_connection_limit_reached` | Stream connection limit
                reached. |

                | `state_conflict` | State conflict. |

                | `idempotency_conflict` | Idempotency conflict. |

                | `idempotency_in_progress` | Idempotency in progress. |

                | `idempotency_completed` | Idempotency completed. |

                | `idempotency_outcome_unknown` | Idempotency outcome unknown. |

                | `call_claimed` | Call claimed. |

                | `call_not_ringing` | Call not ringing. |

                | `connection_limit` | Connection limit. |

                | `unsupported_for_connection` | Unsupported for connection. |

                | `call_permission_required` | Call permission required. |

                | `invalid_sip_trunk` | Invalid sip trunk. |

                | `calls_disabled` | Calls disabled. |

                | `call_recipient_opted_out` | Call recipient opted out. |

                | `call_destination_blocked` | Call destination blocked. |

                | `call_permission_request_limited` | Call permission request
                limited. |

                | `call_permission_granted` | Call permission granted. |

                | `call_opt_out_limit` | Call opt out limit. |

                | `number_restricted` | Number restricted. |

                | `sip_trunk_in_use` | Sip trunk in use. |

                | `sip_trunk_revision_conflict` | Sip trunk revision conflict. |

                | `sip_trunk_limit` | Sip trunk limit. |

                | `sip_unavailable` | Sip unavailable. |

                | `voice_not_enabled` | Voice not enabled. |

                | `provider_credential_invalid` | Provider credential invalid. |

                | `provider_unavailable` | Provider unavailable. |

                | `asset_not_ready` | Asset not ready. |

                | `voice_asset_in_use` | Voice asset in use. |

                | `voice_asset_revision_conflict` | Voice asset revision
                conflict. |

                | `voice_unavailable` | Voice unavailable. |

                | `rate_limit_exceeded` | Rate limit exceeded. |

                | `internal_error` | Internal error. |

                | `operation_not_supported` | Operation not supported. |

                | `upstream_failure` | Upstream failure. |

                | `service_unavailable` | Service unavailable. |

                | `credential_verification_unavailable` | Credential
                verification unavailable. |

                | `session_not_ready` | Session not ready. |

                | `command_dispatch_failed` | Command dispatch failed. |

                | `result_unknown` | Result unknown. |

                | `recipient_not_on_whatsapp` | Recipient not on whatsapp. |

                | `conversation_window_closed` | Conversation window closed. |

                | `template_not_approved` | Template not approved. |

                | `media_too_large` | Media too large. |

                | `whatsapp_rate_limited` | Whatsapp rate limited. |

                | `new_chat_limit_reached` | New chat limit reached. |

                | `whatsapp_account_restricted` | Whatsapp account restricted. |

                | `bansafe_suspended` | Bansafe suspended. |

                | `bansafe_org_suspended` | Bansafe org suspended. |

                | `bansafe_cold_blocked` | Bansafe cold blocked. |

                | `bansafe_cold_held` | Bansafe cold held. |

                | `bansafe_throttled` | Bansafe throttled. |

                | `bansafe_daily_allowance_reached` | Bansafe daily allowance
                reached. |

                | `bansafe_accounting_unavailable` | Bansafe accounting
                unavailable. |

                | `bansafe_send_outcome_unknown` | Bansafe send outcome unknown.
                |

                | `campaigns_not_entitled` | Campaigns not entitled. |

                | `campaign_throughput_capped` | Campaign throughput capped. |
            message:
              type: string
              description: Human-readable message associated with this result.
            param:
              type: string
              nullable: true
              description: |-
                Specifies param for this error.

                <!-- polymorfa-input-table -->
                **Accepted alternatives**
                | Alternative | Accepted input |
                | --- | --- |
                | Alternative 1 | Type: `string` |
                | Alternative 2 | `null` |
            request_id:
              type: string
              description: >-
                Matches the X-Request-Id response header. Include it when you
                contact support.
            request_log_url:
              type: string
              format: uri
              description: >-
                Console page that shows this request. Returned only to
                organization and project credentials whose request was logged.


                <!-- polymorfa-input-table -->

                **Value constraints**

                | Constraint | Accepted input |

                | --- | --- |

                | Format | `uri` |
          required:
            - type
            - code
            - message
            - param
            - request_id
          description: Error details returned when the operation fails.
        data:
          type: string
          nullable: true
          enum:
            - null
          description: |-
            Always null for a failed request.

            <!-- polymorfa-input-table -->
            **Allowed values**
            | Value | Meaning |
            | --- | --- |
            | `null` | Null. |

            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `string` |
            | Alternative 2 | `null` |
        docs:
          type: string
          format: uri
          description: |-
            Specifies docs for this management platform access public error.

            <!-- polymorfa-input-table -->
            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `uri` |
      required:
        - error
        - data
        - docs
    management__PlatformAccessVoiceAudioAsset:
      type: object
      properties:
        id:
          type: string
          format: uuid
          description: |-
            Identifier for this resource.

            <!-- polymorfa-input-table -->
            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `uuid` |
        projectId:
          type: string
          format: uuid
          description: |-
            Identifier of the Polymorfa project that owns this resource.

            <!-- polymorfa-input-table -->
            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `uuid` |
        name:
          type: string
          description: Human-readable name for this resource.
        source:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceAudioSource'
          description: >-
            Specifies source for this management platform access voice audio
            asset.


            <!-- polymorfa-input-table -->

            **Allowed values**

            | Value | Meaning |

            | --- | --- |

            | `upload` | Upload. |

            | `tts` | Tts. |
        status:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceAudioStatus'
          description: |-
            Current status of this resource or operation.

            <!-- polymorfa-input-table -->
            **Allowed values**
            | Value | Meaning |
            | --- | --- |
            | `pending_upload` | Pending upload. |
            | `uploaded` | Uploaded. |
            | `transcoding` | Transcoding. |
            | `ready` | Ready. |
            | `failed` | Failed. |
        failureReason:
          allOf:
            - $ref: >-
                #/components/schemas/management__PlatformAccessVoiceAudioFailureReason
          description: >-
            Specifies failure reason for this management platform access voice
            audio asset.


            <!-- polymorfa-input-table -->

            **Allowed values**

            | Value | Meaning |

            | --- | --- |

            | `unsupported_format` | Unsupported format. |

            | `too_large` | Too large. |

            | `too_long` | Too long. |

            | `decode_failed` | Decode failed. |

            | `silent` | Silent. |

            | `tts_failed` | Tts failed. |

            | `processing_failed` | Processing failed. |

            | `null` | Null. |


            **Accepted alternatives**

            | Alternative | Accepted input |

            | --- | --- |

            | Alternative 1 | Type: `string`; Value `unsupported_format` or
            `too_large` or `too_long` or `decode_failed` or `silent` or
            `tts_failed` or `processing_failed` |

            | Alternative 2 | `null` |
        originalFormat:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceAudioFormat'
          description: >-
            Specifies original format for this management platform access voice
            audio asset.


            <!-- polymorfa-input-table -->

            **Allowed values**

            | Value | Meaning |

            | --- | --- |

            | `mp3` | Mp3. |

            | `wav` | Wav. |

            | `ogg` | Ogg. |

            | `m4a` | M4a. |

            | `null` | Null. |


            **Accepted alternatives**

            | Alternative | Accepted input |

            | --- | --- |

            | Alternative 1 | Type: `string`; Value `mp3` or `wav` or `ogg` or
            `m4a` |

            | Alternative 2 | `null` |
        originalContentType:
          type: string
          nullable: true
          description: |-
            Category assigned to original content.

            <!-- polymorfa-input-table -->
            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `string` |
            | Alternative 2 | `null` |
        sizeBytes:
          type: integer
          nullable: true
          description: |-
            Size of the original file in bytes.

            <!-- polymorfa-input-table -->
            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `integer` |
            | Alternative 2 | `null` |
        durationMs:
          type: integer
          nullable: true
          description: |-
            Length of the converted audio, set when `ready`.

            <!-- polymorfa-input-table -->
            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `integer` |
            | Alternative 2 | `null` |
        contentSha256:
          type: string
          nullable: true
          description: >-
            SHA-256 (hex) of the converted 16 kHz mono PCM audio, set when
            `ready`.


            <!-- polymorfa-input-table -->

            **Accepted alternatives**

            | Alternative | Accepted input |

            | --- | --- |

            | Alternative 1 | Type: `string` |

            | Alternative 2 | `null` |
        tts:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceAudioTts'
          description: >-
            Specifies tts for this management platform access voice audio asset.


            <!-- polymorfa-input-table -->

            **Accepted alternatives**

            | Alternative | Accepted input |

            | --- | --- |

            | Alternative 1 | Type: `object`; Field `provider`: `elevenlabs` or
            `openai`; Field `keySource`: `managed` or `customer`; Required
            fields: `provider`, `voiceId`, `model`, `text`, `characters`,
            `keySource`, `credentialId` |

            | Alternative 2 | `null` |
        retentionDays:
          type: integer
          nullable: true
          description: >-
            Days after creation when the asset is deleted automatically. Null
            keeps it until you delete it.


            <!-- polymorfa-input-table -->

            **Accepted alternatives**

            | Alternative | Accepted input |

            | --- | --- |

            | Alternative 1 | Type: `integer` |

            | Alternative 2 | `null` |
        expiresAt:
          type: string
          nullable: true
          format: date-time
          description: |-
            ISO 8601 timestamp when this resource expires.

            <!-- polymorfa-input-table -->
            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `string`; Format: `date-time` |
            | Alternative 2 | `null` |

            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `date-time` |
        inUseCount:
          type: integer
          description: >-
            Campaigns and flows that use the asset. An asset in use cannot be
            deleted or expire.
        revision:
          type: integer
          description: >-
            Changes when you rename the asset or change its retention. Send it
            as `expectedRevision` to avoid overwriting another change.
        createdAt:
          type: string
          format: date-time
          description: |-
            ISO 8601 timestamp when this resource was created.

            <!-- polymorfa-input-table -->
            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `date-time` |
        updatedAt:
          type: string
          format: date-time
          description: |-
            ISO 8601 timestamp when this resource was last updated.

            <!-- polymorfa-input-table -->
            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `date-time` |
        readyAt:
          type: string
          nullable: true
          format: date-time
          description: |-
            Timestamp for ready at.

            <!-- polymorfa-input-table -->
            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `string`; Format: `date-time` |
            | Alternative 2 | `null` |

            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `date-time` |
      required:
        - id
        - projectId
        - name
        - source
        - status
        - failureReason
        - originalFormat
        - originalContentType
        - sizeBytes
        - durationMs
        - contentSha256
        - tts
        - retentionDays
        - expiresAt
        - inUseCount
        - revision
        - createdAt
        - updatedAt
        - readyAt
    management__PlatformAccessVoiceAudioSource:
      type: string
      enum:
        - upload
        - tts
    management__PlatformAccessVoiceAudioStatus:
      type: string
      enum:
        - pending_upload
        - uploaded
        - transcoding
        - ready
        - failed
      description: >-
        `pending_upload`: waiting for the file. `uploaded` and `transcoding`:
        being converted. `ready`: usable. `failed`: see `failureReason`. Treat
        unknown values as `failed`.
    management__PlatformAccessVoiceAudioFailureReason:
      type: string
      nullable: true
      enum:
        - unsupported_format
        - too_large
        - too_long
        - decode_failed
        - silent
        - tts_failed
        - processing_failed
        - null
    management__PlatformAccessVoiceAudioFormat:
      type: string
      nullable: true
      enum:
        - mp3
        - wav
        - ogg
        - m4a
        - null
      description: Container of the original file, known after conversion.
    management__PlatformAccessVoiceAudioTts:
      type: object
      nullable: true
      properties:
        provider:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceProvider'
          description: >-
            Specifies provider for this management platform access voice audio
            tt.


            <!-- polymorfa-input-table -->

            **Allowed values**

            | Value | Meaning |

            | --- | --- |

            | `elevenlabs` | Elevenlabs. |

            | `openai` | Openai. |
        voiceId:
          type: string
          description: ElevenLabs voice ID or OpenAI voice name.
        model:
          type: string
          description: Specifies model for this management platform access voice audio tt.
        text:
          type: string
          description: The text that was spoken.
        characters:
          type: integer
          description: Characters sent to the provider.
        keySource:
          allOf:
            - $ref: '#/components/schemas/management__PlatformAccessVoiceKeySource'
          description: >-
            Specifies key source for this management platform access voice audio
            tt.


            <!-- polymorfa-input-table -->

            **Allowed values**

            | Value | Meaning |

            | --- | --- |

            | `managed` | Managed. |

            | `customer` | Customer. |
        credentialId:
          type: string
          nullable: true
          format: uuid
          description: |-
            Your provider credential, when `keySource` is `customer`.

            <!-- polymorfa-input-table -->
            **Accepted alternatives**
            | Alternative | Accepted input |
            | --- | --- |
            | Alternative 1 | Type: `string`; Format: `uuid` |
            | Alternative 2 | `null` |

            **Value constraints**
            | Constraint | Accepted input |
            | --- | --- |
            | Format | `uuid` |
      required:
        - provider
        - voiceId
        - model
        - text
        - characters
        - keySource
        - credentialId
      description: How the speech was generated. Null for uploads.
    management__PlatformAccessVoiceProvider:
      type: string
      enum:
        - elevenlabs
        - openai
    management__PlatformAccessVoiceKeySource:
      type: string
      enum:
        - managed
        - customer
      description: '`managed`: Polymorfa''s provider key. `customer`: your stored key.'
  securitySchemes:
    management__ApiKeyAuth:
      type: http
      scheme: bearer
      description: >-
        Send your team API key or project token as `Authorization: Bearer
        <token>`. The credential must have the required permissions. Project
        tokens can access only their own project.

````