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

# Scribe V2 Speech Recognition

> - Scribe V2 audio file recognition model
 - Supports language specification, speaker diarization, audio event tagging, and keyterms biasing
- Asynchronous processing mode, use the returned task ID to [query status](/pages/en/api-manual/task-management/get-task-detail)
- Recognition results are returned in the `results` field of the task detail




## OpenAPI

````yaml openapi/en/scribe-v2.json POST /v1/audios/generations
openapi: 3.1.0
info:
  title: Scribe V2 Speech Recognition
  version: '1.0'
servers:
  - url: https://api.aihubmax.com
security:
  - BearerAuth: []
paths:
  /v1/audios/generations:
    post:
      tags:
        - Audio > Speech Recognition
      summary: Scribe V2 Speech Recognition
      description: >
        - Scribe V2 audio file recognition model
         - Supports language specification, speaker diarization, audio event tagging, and keyterms biasing
        - Asynchronous processing mode, use the returned task ID to [query
        status](/pages/en/api-manual/task-management/get-task-detail)

        - Recognition results are returned in the `results` field of the task
        detail
      operationId: scribe-v2
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ScribeV2Request'
            examples:
              basic_transcription_with_automatic_language_detection:
                summary: Basic transcription with automatic language detection
                value:
                  model: scribe-v2
                  audio_url: https://samplelib.com/lib/preview/mp3/sample-3s.mp3
              speaker_diarization_with_event_tagging:
                summary: Speaker diarization with event tagging
                value:
                  model: scribe-v2
                  audio_url: https://samplelib.com/lib/preview/mp3/sample-3s.mp3
                  diarize: true
                  tag_audio_events: true
              english_transcription_with_language_code_and_keyterm_biasing:
                summary: English transcription with language code and keyterm biasing
                value:
                  model: scribe-v2
                  audio_url: https://samplelib.com/lib/preview/mp3/sample-3s.mp3
                  language_code: en
                  keyterms:
                    - project kickoff
                    - quarterly results
                    - speech to text
      responses:
        '200':
          $ref: '#/components/responses/TaskCreated'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
        '429':
          $ref: '#/components/responses/TooManyRequests'
        '500':
          $ref: '#/components/responses/InternalServerError'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
components:
  schemas:
    ScribeV2Request:
      type: object
      required:
        - model
        - audio_url
      properties:
        model:
          description: >-
            `scribe-v2`: Speech recognition model supporting diarize, audio
            event tagging, and keyterms
          examples:
            - scribe-v2
          type: string
          default: scribe-v2
        audio_url:
          description: >
            Audio file URL to transcribe


            **Notes:**

            - Must be an HTTP/HTTPS accessible URL

            - The audio file must be directly accessible and readable by the
            system
          type: string
          example: https://samplelib.com/lib/preview/mp3/sample-3s.mp3
        language_code:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: |
            Audio language code

            **Notes:**
            - Supports ISO-639-1 or ISO-639-3 codes
            - Examples: `zh` / `zho` / `en` / `eng`
            - Auto-detected if not provided
          example: zh
        tag_audio_events:
          default: true
          description: >-
            Whether to tag audio events such as laughter and applause. Enabled
            by default.
          type: boolean
          example: true
        diarize:
          default: true
          description: Whether to perform speaker diarization. Enabled by default.
          type: boolean
          example: true
        keyterms:
          anyOf:
            - items:
                maxLength: 50
                type: string
              maxItems: 100
              type: array
            - type: 'null'
          default: null
          description: |-
            Bias terms / phrase list

            **Notes:**
            - Up to 100 entries
            - Each entry up to 50 characters
            - Used to boost recognition of specific terms or proper nouns


            > Do not pass this parameter unless necessary.
          x-advanced: true
          example:
            - project kickoff
            - quarterly results
            - speech to text
    TaskResponse:
      type: object
      properties:
        created:
          type: integer
          description: Task creation timestamp
          example: 1757165031
        id:
          type: string
          description: Task ID
          example: task-unified-1757165031-uyujaw3d
        model:
          type: string
          description: Actual model name used
        object:
          type: string
          description: Specific task type
          enum:
            - audio.generation.task
        progress:
          type: integer
          description: Task progress percentage (0-100)
          minimum: 0
          maximum: 100
          example: 0
        status:
          type: string
          description: Task status
          enum:
            - pending
            - processing
            - completed
            - failed
          example: pending
        task_info:
          type: object
          description: Asynchronous task info
          properties:
            can_cancel:
              type: boolean
              description: Whether the task can be cancelled
              example: true
            estimated_time:
              type: integer
              description: Estimated completion time (seconds)
              example: 45
        type:
          type: string
          description: Task output type
          enum:
            - audio
          example: audio
    ErrorResponse400:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Invalid request format
            type:
              type: string
              example: invalid_request_error
    ErrorResponse401:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Invalid API key
            type:
              type: string
              example: authentication_error
    ErrorResponse402:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Insufficient account balance
            type:
              type: string
              example: insufficient_quota
    ErrorResponse422:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Parameter validation failed
            type:
              type: string
              example: validation_error
    ErrorResponse429:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Rate limit exceeded
            type:
              type: string
              example: rate_limit_error
    ErrorResponse500:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Internal server error
            type:
              type: string
              example: server_error
    ErrorResponse503:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              example: Service temporarily unavailable, please try again later
            type:
              type: string
              example: service_unavailable
  responses:
    TaskCreated:
      description: Task created successfully
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/TaskResponse'
    BadRequest:
      description: Invalid request format
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse400'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse401'
    PaymentRequired:
      description: Insufficient balance
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse402'
    UnprocessableEntity:
      description: Parameter validation failed
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse422'
    TooManyRequests:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse429'
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse500'
    ServiceUnavailable:
      description: Service temporarily unavailable
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse503'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: |
        ## All APIs require Bearer Token authentication ##

        Add to request header:

        `Authorization: Bearer YOUR_API_KEY`

````