> ## 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. # Kling-O3 文生视频 > - Kling-O3 Text to Video (kling-o3-text-to-video) 纯文本驱动的视频生成，基于可灵 AI kling-v3-omni 模型 - 支持单镜头和多镜头模式，可生成带音效的视频 - 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-o3-text-to-video.json POST /v1/videos/generations openapi: 3.1.0 info: title: kling-o3-text-to-video接口 description: 使用AI模型创建文生视频任务 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-o3-text-to-video接口 description: >- - Kling-O3 Text to Video (kling-o3-text-to-video) 纯文本驱动的视频生成，基于可灵 AI kling-v3-omni 模型 - 支持单镜头和多镜头模式，可生成带音效的视频 - 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: 基础文生视频 value: model: kling-o3-text-to-video prompt: 一只猫在草地上奔跑，阳光明媚 duration: 5 aspect_ratio: '16:9' quality: 720p pro_with_sound: summary: 1080P 带音效 value: model: kling-o3-text-to-video prompt: 暴风雨中的海浪拍打岩石，雷声隆隆 duration: 10 aspect_ratio: '16:9' quality: 1080p sound: 'on' multi_shot: summary: 多镜头（自定义分镜） value: model: kling-o3-text-to-video duration: 10 aspect_ratio: '16:9' quality: 1080p sound: 'on' model_params: multi_shot: true shot_type: customize multi_prompt: - index: 1 prompt: 一个人站在山顶远眺日出 duration: '5' - index: 2 prompt: 镜头拉远，展现壮阔山景全貌 duration: '5' with_element: summary: 带主体控制 value: model: kling-o3-text-to-video prompt: <<>>在海边漫步，夕阳西下 duration: 8 aspect_ratio: '16:9' quality: 1080p model_params: element_list: - element_id: '123456' 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-o3-text-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 - prompt properties: model: type: string description: 视频生成模型名称 enum: - kling-o3-text-to-video default: kling-o3-text-to-video example: kling-o3-text-to-video prompt: type: string description: |- 文本提示词，描述想要生成什么样的视频 **说明：** - 最长 `2500` 字符 - `multi_shot=true` 且 `shot_type=customize` 时可空 - 可通过 `<<>>` 语法引用主体 example: 一只猫在草地上奔跑，阳光明媚 maxLength: 2500 duration: type: integer description: |- 规定生成视频的时长（秒），默认为`5`秒 **说明：** - 支持 `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 aspect_ratio: type: string description: |- 视频宽高比 **说明：** - `16:9`：横屏视频 - `9:16`：竖屏视频 - `1:1`：方形视频 enum: - '16:9' - '9:16' - '1:1' default: '16:9' example: '16:9' quality: type: string description: |- 分辨率档位 **说明：** - `720p`：标清 - `1080p`：高清 - `4k`：超高清 enum: - 720p - 1080p - 4k default: 720p example: 720p sound: type: string description: |- 音效控制 **说明：** - `on`：开启音效 - `off`：关闭音效 enum: - 'on' - 'off' default: 'off' example: 'off' model_params: type: object description: |- 高级参数配置 **约束：** 主体数量 ≤ 7 properties: multi_shot: type: boolean description: >- 是否启用多镜头模式。**开启后 `prompt` 参数将失效**，需通过 `multi_prompt` 定义各分镜内容。**所有分镜的 `duration` 之和必须等于视频总时长** default: false example: false shot_type: type: string description: |- 分镜方式 **说明：** - `customize`：自定义分镜 - `multi_shot=true` 时必填 enum: - customize example: customize multi_prompt: type: array description: |- 各分镜信息列表 **说明：** - `multi_shot=true` 且 `shot_type=customize` 时必填 - 最多 `6` 个分镜 items: type: object properties: index: type: integer description: 分镜序号 prompt: type: string description: 该分镜的提示词 duration: type: string description: 该分镜的时长（秒） required: - index - prompt - duration maxItems: 6 element_list: type: array description: |- 主体库列表 **约束：** 主体数量 ≤ 7 - 在 prompt 中通过 `<<>>` 语法引用 items: type: object properties: element_id: type: string description: 主体ID required: - element_id maxItems: 7 watermark_info: type: object description: 水印配置 properties: enabled: type: boolean description: 是否启用水印 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-o3-text-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: 9 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_call credits_reserved: type: number description: 预估消耗积分数 minimum: 0 example: 7 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 ``` ````