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

# Kling-V3-Turbo 图生视频

> - Kling-V3 Turbo Image to Video (kling-v3-turbo-image-to-video) 模型支持图生视频功能
- 以首帧图为基础生成视频，清晰度支持 720P / 1080P（不支持 4K），时长 3 ~ 15 秒
- 画面比例由首帧图决定，**不接受 `aspect_ratio`**
- 异步处理模式，使用返回的任务ID [进行查询](/cn/api-manual/task-management/get-task-detail)
- 生成的视频链接，有效期为24小时，请尽快保存



## OpenAPI

````yaml cn/api-manual/video-series/kling/kling-v3-turbo-image-to-video.json POST /v1/videos/generations
openapi: 3.1.0
info:
  title: kling-v3-turbo-image-to-video接口
  description: 使用AI模型创建图生视频任务
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.evolink.ai
    description: 生产环境
security:
  - bearerAuth: []
tags:
  - name: 视频生成
    description: AI视频生成相关接口
paths:
  /v1/videos/generations:
    post:
      tags:
        - 视频生成
      summary: kling-v3-turbo-image-to-video接口
      description: >-
        - Kling-V3 Turbo Image to Video (kling-v3-turbo-image-to-video)
        模型支持图生视频功能

        - 以首帧图为基础生成视频，清晰度支持 720P / 1080P（不支持 4K），时长 3 ~ 15 秒

        - 画面比例由首帧图决定，**不接受 `aspect_ratio`**

        - 异步处理模式，使用返回的任务ID
        [进行查询](/cn/api-manual/task-management/get-task-detail)

        - 生成的视频链接，有效期为24小时，请尽快保存
      operationId: createVideoGeneration
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/VideoGenerationRequest'
            examples:
              basic:
                summary: 首帧图生视频
                value:
                  model: kling-v3-turbo-image-to-video
                  image_start: https://your-cdn.com/start-frame.jpg
                  prompt: 微风拂过画面，带来细微的运动感
                  quality: 720p
                  duration: 5
              hd_1080p:
                summary: 1080P 较长时长
                value:
                  model: kling-v3-turbo-image-to-video
                  image_start: https://your-cdn.com/portrait.png
                  prompt: 让画面中的人物缓缓转头并微笑
                  quality: 1080p
                  duration: 10
      responses:
        '200':
          description: 视频生成任务创建成功
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VideoGenerationResponse'
        '400':
          description: 请求参数错误
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: invalid_request
                  message: Invalid request parameters
                  type: invalid_request_error
        '401':
          description: 未认证、Token无效或过期
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: unauthorized
                  message: Invalid or expired token
                  type: authentication_error
        '402':
          description: 配额不足、需要充值
          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: 无权限访问
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  code: model_access_denied
                  message: >-
                    Token does not have access to model:
                    kling-v3-turbo-image-to-video
                  type: invalid_request_error
        '429':
          description: 请求频率超限
          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: 服务器内部错误
          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
        - image_start
      properties:
        model:
          type: string
          description: 视频生成模型名称
          enum:
            - kling-v3-turbo-image-to-video
          default: kling-v3-turbo-image-to-video
          example: kling-v3-turbo-image-to-video
        image_start:
          type: string
          description: |-
            首帧图 URL，作为视频的第一帧

            **图片要求：**
            - 格式：`.jpg` / `.jpeg` / `.png`
            - 大小：≤ `50MB`
            - 尺寸：宽、高均 ≥ `300px`
            - 宽高比：在 `1:2.5` ~ `2.5:1` 之间

            视频的画面比例由首帧图决定
          format: uri
          example: https://your-cdn.com/start-frame.jpg
        prompt:
          type: string
          description: 文本提示词，描述期望的运动或画面变化（选填）
          example: 微风拂过画面，带来细微的运动感
          maxLength: 2500
        quality:
          type: string
          description: |-
            分辨率档位

            **说明：**
            - `720p`：标准画质
            - `1080p`：高品质画质
            - 不支持 `4k`
          enum:
            - 720p
            - 1080p
          default: 720p
          example: 720p
        duration:
          type: integer
          description: |-
            视频时长（秒），默认为`5`秒

            **说明：**
            - 范围：`3` ~ `15` 的整数
            - 单次请求会根据`duration`的值进行扣费，时长越长价格越高
          minimum: 3
          maximum: 15
          default: 5
          example: 5
        callback_url:
          type: string
          description: |-
            任务完成后的HTTPS回调地址

            **回调时机：**
            - 任务完成（completed）、失败（failed）或取消（cancelled）时触发
            - 在计费确认完成后发送

            **安全限制：**
            - 仅支持HTTPS协议
            - 禁止回调到内网IP地址（127.0.0.1、10.x.x.x、172.16-31.x.x、192.168.x.x等）
            - URL长度不超过`2048`字符

            **回调机制：**
            - 超时时间：`10`秒
            - 失败后最多重试`3`次（会分别在失败的`1`秒/`2`秒/`4`秒后进行重试）
            - 回调响应体格式与任务查询接口返回的格式一致
            - 回调地址若返回2xx状态码视为成功，其他状态码会触发重试
          format: uri
          example: https://your-domain.com/webhooks/video-task-completed
    VideoGenerationResponse:
      type: object
      properties:
        created:
          type: integer
          description: 任务创建时间戳
          example: 1757169743
        id:
          type: string
          description: 任务ID
          example: task-unified-1757169743-7cvnl5zw
        model:
          type: string
          description: 实际使用的模型名称
          example: kling-v3-turbo-image-to-video
        object:
          type: string
          enum:
            - video.generation.task
          description: 任务的具体类型
        progress:
          type: integer
          description: 任务进度百分比 (0-100)
          minimum: 0
          maximum: 100
          example: 0
        status:
          type: string
          description: 任务状态
          enum:
            - pending
            - processing
            - completed
            - failed
          example: pending
        task_info:
          $ref: '#/components/schemas/VideoTaskInfo'
          description: 视频任务详细信息
        type:
          type: string
          enum:
            - text
            - image
            - audio
            - video
          description: 任务的输出类型
          example: video
        usage:
          $ref: '#/components/schemas/VideoUsage'
          description: 使用量和计费信息
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: 错误代码标识符
            message:
              type: string
              description: 错误描述信息
            type:
              type: string
              description: 错误类型
    VideoTaskInfo:
      type: object
      properties:
        can_cancel:
          type: boolean
          description: 任务是否可以取消
          example: true
        estimated_time:
          type: integer
          description: 预估完成时间(秒)
          minimum: 0
          example: 300
        video_duration:
          type: integer
          description: 视频时长(秒)
          example: 5
    VideoUsage:
      type: object
      description: 使用量和计费信息
      properties:
        billing_rule:
          type: string
          description: 计费规则
          enum:
            - per_call
            - per_token
            - per_second
          example: per_second
        credits_reserved:
          type: number
          description: 预估消耗积分数
          minimum: 0
          example: 270000
        user_group:
          type: string
          description: 用户组类别
          example: default
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: |-
        ##所有接口均需要使用Bearer Token进行认证##

        **获取 API Key：**

        访问 [API Key 管理页面](https://evolink.ai/dashboard/keys) 获取您的 API Key

        **使用时在请求头中添加：**
        ```
        Authorization: Bearer YOUR_API_KEY
        ```

````