# Get presigned URLs for recording uploads

> POST /api/v1/workflow-recordings/upload-url — request parameters and responses from the Menace Voice API schema.

`POST /api/v1/workflow-recordings/upload-url`

{/* Generated by scripts/sync_docs_api.mjs. Edit the API schema source to change the contract. */}

See [authentication](/api-reference/authentication) for workspace API access. Public embed and artifact endpoints use their documented session or access tokens.

## API contract for documentation tools

Generated from the OpenAPI schema. Do not infer a different parameter type from an example. Authentication headers are alternatives as explained in the authentication guide.

### Parameters

| Name | Location | Type | Required | Description and constraints |
| --- | --- | --- | --- | --- |
| authorization | header | string or null | no |  |
| X-API-Key | header | string or null | no |  |

### Request body: application/json

Required body. Schema: BatchRecordingUploadRequestSchema (object).

| Field | Type | Required | Description and constraints |
| --- | --- | --- | --- |
| files | array of FileDescriptor (object) | yes | List of files to upload |

### Response 200

Successful Response

application/json: BatchRecordingUploadResponseSchema (object).

| Field | Type | Required | Description and constraints |
| --- | --- | --- | --- |
| items | array of RecordingUploadResponseSchema (object) | yes | Upload URLs for each file |

### Response 404

Not found

### Response 422

Validation Error

application/json: HTTPValidationError (object).

| Field | Type | Required | Description and constraints |
| --- | --- | --- | --- |
| detail | array of ValidationError (object) | no |  |

## OpenAPI

````yaml api-reference/openapi.json post /api/v1/workflow-recordings/upload-url
openapi: 3.1.0
info:
  title: Menace Voice API
  description: API for Menace Voice agents
  version: 1.0.0
servers:
  - url: https://voice.menaceui.com
    description: Production
  - url: http://localhost:8000
    description: Local development
paths:
  /api/v1/workflow-recordings/upload-url:
    post:
      tags:
        - main
        - workflow-recordings
      summary: Get presigned URLs for recording uploads
      description: Generate presigned PUT URLs for uploading one or more audio recordings.
      operationId: get_upload_urls_api_v1_workflow_recordings_upload_url_post
      parameters:
        - name: authorization
          in: header
          required: false
          schema:
            anyOf:
              - type: string
              - type: "null"
            title: Authorization
        - name: X-API-Key
          in: header
          required: false
          schema:
            anyOf:
              - type: string
              - type: "null"
            title: X-Api-Key
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/BatchRecordingUploadRequestSchema"
      responses:
        "200":
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BatchRecordingUploadResponseSchema"
        "404":
          description: Not found
        "422":
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HTTPValidationError"
components:
  schemas:
    BatchRecordingUploadRequestSchema:
      properties:
        files:
          items:
            $ref: "#/components/schemas/FileDescriptor"
          type: array
          maxItems: 20
          minItems: 1
          title: Files
          description: List of files to upload
      type: object
      required:
        - files
      title: BatchRecordingUploadRequestSchema
      description: Request schema for getting presigned upload URLs for one or more files.
    BatchRecordingUploadResponseSchema:
      properties:
        items:
          items:
            $ref: "#/components/schemas/RecordingUploadResponseSchema"
          type: array
          title: Items
          description: Upload URLs for each file
      type: object
      required:
        - items
      title: BatchRecordingUploadResponseSchema
      description: Response schema with presigned upload URLs.
    FileDescriptor:
      properties:
        filename:
          type: string
          title: Filename
          description: Original filename of the audio file
        mime_type:
          type: string
          title: Mime Type
          description: MIME type of the audio file
          default: audio/wav
        file_size:
          type: integer
          maximum: 5242880
          exclusiveMinimum: 0
          title: File Size
          description: File size in bytes (max 5MB)
      type: object
      required:
        - filename
        - file_size
      title: FileDescriptor
      description: Descriptor for a single file in a batch upload request.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: "#/components/schemas/ValidationError"
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    RecordingUploadResponseSchema:
      properties:
        upload_url:
          type: string
          title: Upload Url
          description: Presigned URL for uploading the audio
        recording_id:
          type: string
          title: Recording Id
          description: Short unique recording ID
        storage_key:
          type: string
          title: Storage Key
          description: Storage key where file will be uploaded
      type: object
      required:
        - upload_url
        - recording_id
        - storage_key
      title: RecordingUploadResponseSchema
      description: Response schema with presigned upload URL.
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
````