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

# Sora-2 Video Generation Beta-Max

> - Sora 2 (sora-2-beta-max) model supports text-to-video, image-to-video and other modes
- Asynchronous processing mode, use the returned task ID to [query](/en/api-manual/task-management/get-task-detail)
- Generated video links are valid for 24 hours, please save them promptly

**Note:**
- Currently Sora2's content moderation mechanism is very strict, tasks may fail due to this
- Image input containing real human figures is not currently supported



## OpenAPI

````yaml /en/api-manual/video-series/sora2/sora-2-beta-max-video-generate.json POST /v1/videos/generations
openapi: 3.1.0
info:
  title: sora-2-beta-max Interface
  description: >-
    Use AI models to create video generation tasks, supporting text-to-video,
    image-to-video and other generation modes
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.evolink.ai
    description: Production environment
security:
  - bearerAuth: []
tags:
  - name: Video Generation
    description: AI video generation related APIs
paths:
  /v1/videos/generations:
    post:
      tags:
        - Video Generation
      summary: sora-2-beta-max Interface
      description: >-
        - Sora 2 (sora-2-beta-max) model supports text-to-video, image-to-video
        and other modes

        - Asynchronous processing mode, use the returned task ID to
        [query](/en/api-manual/task-management/get-task-detail)

        - Generated video links are valid for 24 hours, please save them
        promptly


        **Note:**

        - Currently Sora2's content moderation mechanism is very strict, tasks
        may fail due to this

        - Image input containing real human figures is not currently supported
      operationId: createVideoGeneration
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/VideoGenerationRequest'
            examples:
              text_to_video:
                summary: Text to Video
                value:
                  model: sora-2-beta-max
                  prompt: A cat playing piano
      responses:
        '200':
          description: Video generation task created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VideoGenerationResponse'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: invalid_request
                  message: Invalid request parameters
                  type: invalid_request_error
        '401':
          description: Unauthenticated, invalid or expired token
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: unauthorized
                  message: Invalid or expired token
                  type: authentication_error
        '402':
          description: Insufficient quota, recharge required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: insufficient_quota
                  message: Insufficient quota. Please top up your account.
                  type: insufficient_quota
        '403':
          description: Access denied
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: model_access_denied
                  message: 'Token does not have access to model: sora-2-beta-max'
                  type: invalid_request_error
        '429':
          description: Rate limit exceeded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: rate_limit_exceeded
                  message: Too many requests, please try again later
                  type: rate_limit_error
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: internal_error
                  message: Internal server error
                  type: api_error
components:
  schemas:
    VideoGenerationRequest:
      type: object
      required:
        - model
        - prompt
      properties:
        model:
          type: string
          description: Video generation model name
          enum:
            - sora-2-beta-max
          default: sora-2-beta-max
          example: sora-2-beta-max
        prompt:
          type: string
          description: >-
            Prompt describing what kind of video to generate, limited to 5000
            tokens
          example: A cat playing piano
          maxLength: 5000
        aspect_ratio:
          type: string
          description: >-
            Video aspect ratio, `16:9` generates landscape video, `9:16`
            generates portrait video
          enum:
            - '16:9'
            - '9:16'
          example: '16:9'
        duration:
          type: integer
          description: >-
            Specifies the generated video duration (seconds), default is `10`,
            representing `10 seconds`


            **Note:**

            - Only supports `10`, `15` values, representing `10 seconds`, `15
            seconds`

            - Billing is based on the `duration` value, `15 seconds` costs more
            than `10 seconds`
          example: 10
        image_urls:
          type: array
          description: >-
            Reference image URL list for image-to-video feature


            **Note:**

            - Images containing real human figures are not supported

            - Single request supports input image quantity: `1` image

            - Image size: no more than `10MB`

            - Supported file formats: `.jpg`, `.jpeg`, `.png`, `.webp`

            - Image URLs must be directly viewable by the server, or the image
            URL should trigger direct download when accessed (typically these
            URLs end with image file extensions, such as `.png`, `.jpg`)
          items:
            type: string
            format: uri
          maxItems: 1
          example:
            - http://example.com/image1.jpg
        remove_watermark:
          type: boolean
          description: >-
            Whether to remove video watermark, by default it will be removed


            **Note:**

            - `true`: Remove watermark, no additional charge. This is the
            default value

            - `false`: Keep watermark
          example: true
        callback_url:
          type: string
          description: >-
            HTTPS callback address after task completion


            **Callback Timing:**

            - Triggered when task is completed, failed, or cancelled

            - Sent after billing confirmation is completed


            **Security Restrictions:**

            - Only HTTPS protocol is supported

            - Callback to internal IP addresses is prohibited (127.0.0.1,
            10.x.x.x, 172.16-31.x.x, 192.168.x.x, etc.)

            - URL length must not exceed `2048` characters


            **Callback Mechanism:**

            - Timeout: `10` seconds

            - Maximum `3` retries on failure (retries after `1` second/`2`
            seconds/`4` seconds)

            - Callback response body format is consistent with the task query
            API response format

            - Callback address returning 2xx status code is considered
            successful, other status codes will trigger retry
          format: uri
          example: https://your-domain.com/webhooks/video-task-completed
    VideoGenerationResponse:
      type: object
      properties:
        created:
          type: integer
          description: Task creation timestamp
          example: 1757169743
        id:
          type: string
          description: Task ID
          example: task-unified-1757169743-7cvnl5zw
        model:
          type: string
          description: Actual model name used
          example: sora-2-beta-max
        object:
          type: string
          enum:
            - video.generation.task
          description: Specific task type
        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:
          $ref: '#/components/schemas/VideoTaskInfo'
          description: Video task detailed information
        type:
          type: string
          enum:
            - text
            - image
            - audio
            - video
          description: Task output type
          example: video
        usage:
          $ref: '#/components/schemas/VideoUsage'
          description: Usage and billing information
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: Error code identifier
            message:
              type: string
              description: Error description
            type:
              type: string
              description: Error type
    VideoTaskInfo:
      type: object
      properties:
        can_cancel:
          type: boolean
          description: Whether the task can be cancelled
          example: true
        estimated_time:
          type: integer
          description: Estimated completion time (seconds)
          minimum: 0
          example: 300
        video_duration:
          type: integer
          description: Video duration (seconds)
          example: 9
    VideoUsage:
      type: object
      description: Usage and billing information
      properties:
        billing_rule:
          type: string
          description: Billing rule
          enum:
            - per_call
            - per_token
            - per_second
          example: per_call
        credits_reserved:
          type: number
          description: Estimated credits consumed
          minimum: 0
          example: 7
        user_group:
          type: string
          description: User group category
          example: default
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        ##All APIs require Bearer Token authentication##


        **Get API Key:**


        Visit [API Key Management Page](https://evolink.ai/dashboard/keys) to
        get your API Key


        **Add to request header:**

        ```

        Authorization: Bearer YOUR_API_KEY

        ```

````