> ## Documentation Index
> Fetch the complete documentation index at: https://heygen-1fa696a7.mintlify.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Video Translation

> Updates the display title of a video translation job.



## OpenAPI

````yaml /openapi/external-api.json patch /v3/video-translations/{video_translation_id}
openapi: 3.1.0
info:
  title: HeyGen External API
  version: 1.0.0
  description: >-
    HeyGen's external API for programmatic AI video creation. See
    https://docs.heygen.com for full documentation.
  contact:
    name: HeyGen Product Infra
    url: https://heygen.com
servers:
  - url: https://api.heygen.com
    description: Production
security:
  - ApiKeyAuth: []
  - BearerAuth: []
tags:
  - name: Video Agent
    description: Create videos from text prompts using AI
  - name: Videos
    description: Create, list, retrieve, and delete videos
  - name: Voices
    description: Text-to-speech and voice management
  - name: Audio
    description: Search the background-music and sound-effects catalog
  - name: Video Translate
    description: Translate videos into other languages
  - name: User
    description: Account information and billing
  - name: Avatars
    description: List and manage avatars and looks
  - name: Assets
    description: Upload files for use in video creation
  - name: Webhooks
    description: Manage webhook endpoints and events
  - name: Lipsync
    description: Dub or replace audio on existing videos
  - name: Brand
    description: >-
      Brand-related resources — brand kits (colors, fonts, logos) and brand
      glossaries (custom term translations)
paths:
  /v3/video-translations/{video_translation_id}:
    patch:
      tags:
        - Video Translate
      summary: Update Video Translation
      description: Updates the display title of a video translation job.
      operationId: updateVideoTranslationV3
      parameters:
        - name: video_translation_id
          in: path
          required: true
          schema:
            type: string
          description: Unique video translation identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateVideoTranslationRequest'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/VideoTranslationDetail'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    $ref: '#/components/schemas/StandardAPIError'
              example:
                error:
                  code: invalid_parameter
                  message: At least one field must be provided for update.
                  param: null
                  doc_url: null
        '401':
          description: Authentication failed
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    $ref: '#/components/schemas/StandardAPIError'
              example:
                error:
                  code: authentication_failed
                  message: Invalid or expired API key. Verify your x-api-key header.
                  param: null
                  doc_url: null
        '404':
          description: Resource not found
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    $ref: '#/components/schemas/StandardAPIError'
              example:
                error:
                  code: not_found
                  message: Video translation not found.
                  param: null
                  doc_url: null
        '429':
          description: Rate limit exceeded
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    $ref: '#/components/schemas/StandardAPIError'
              example:
                error:
                  code: rate_limit_exceeded
                  message: >-
                    Too many requests. Retry after the duration specified in the
                    Retry-After header.
                  param: null
                  doc_url: null
          headers:
            Retry-After:
              description: Seconds to wait before retrying
              schema:
                type: integer
      security:
        - ApiKeyAuth: []
        - BearerAuth: []
components:
  schemas:
    UpdateVideoTranslationRequest:
      additionalProperties: false
      description: Request body for PATCH /v3/video-translations/{id}.
      properties:
        title:
          description: New title for the video translation
          title: Title
          type: string
      required:
        - title
      title: UpdateVideoTranslationRequest
      type: object
    VideoTranslationDetail:
      description: Detailed video translation resource.
      properties:
        id:
          description: Unique video translation identifier
          title: Id
          type: string
        title:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: Title of the translation job
          title: Title
        status:
          $ref: '#/components/schemas/VideoTranslationStatus'
          description: Current status of the translation
        output_language:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: Target language code
          title: Output Language
        input_language:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: Detected or specified source language code
          title: Input Language
        duration:
          anyOf:
            - type: number
            - type: 'null'
          default: null
          description: Video duration in seconds
          title: Duration
        translate_audio_only:
          anyOf:
            - type: boolean
            - type: 'null'
          default: null
          description: Whether only the audio was translated, keeping the original video
          title: Translate Audio Only
        video_url:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: >-
            Presigned download URL for the translated video. Only present when
            status is completed.
          title: Video Url
        audio_url:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: >-
            Presigned download URL for the translated audio. Only present when
            status is completed.
          title: Audio Url
        srt_caption_url:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: >-
            Presigned download URL for the SRT caption file. Only present when
            completed and enable_caption=true.
          title: Srt Caption Url
        vtt_caption_url:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: >-
            Presigned download URL for the VTT caption file. Only present when
            completed and enable_caption=true.
          title: Vtt Caption Url
        callback_id:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: Client-provided callback ID
          title: Callback Id
        created_at:
          anyOf:
            - type: integer
            - type: 'null'
          default: null
          description: Unix timestamp when the translation was created
          title: Created At
        failure_message:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          description: Error description. Only present when status is failed.
          title: Failure Message
      required:
        - id
        - status
      title: VideoTranslationDetail
      type: object
    StandardAPIError:
      type: object
      properties:
        code:
          type: string
          description: Machine-readable error code
          example: invalid_parameter
        message:
          type: string
          description: Human-readable error message
          example: Video not found
        param:
          type:
            - string
            - 'null'
          description: Which request field caused the error
        doc_url:
          type:
            - string
            - 'null'
          description: Link to error documentation
      required:
        - code
        - message
    VideoTranslationStatus:
      enum:
        - pending
        - running
        - completed
        - failed
      title: VideoTranslationStatus
      type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: HeyGen API key. Obtain from your HeyGen dashboard.
    BearerAuth:
      type: http
      scheme: bearer
      description: OAuth2 bearer token.

````