> ## 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. # Seedance 2.0 文生视频 > - Seedance 2.0 文生视频模型，纯文本提示词生成视频 - 标准版支持 `480p` / `720p` / `1080p`，Fast 仅支持 `480p` / `720p` - 4–15 秒时长，多种宽高比 - 支持同步音频生成 - 异步处理模式，使用返回的任务ID [进行查询](/pages/zh/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 openapi/zh/seedance-2.0-text-to-video.json POST /v1/videos/generations openapi: 3.1.0 info: title: Seedance 2.0 文生视频 version: '1.0' servers: - url: https://api.aihubmax.com security: - BearerAuth: [] paths: /v1/videos/generations: post: tags: - Video > Seedance2.0 summary: Seedance 2.0 文生视频 description: > - Seedance 2.0 文生视频模型，纯文本提示词生成视频 - 标准版支持 `480p` / `720p` / `1080p`，Fast 仅支持 `480p` / `720p` - 4–15 秒时长，多种宽高比 - 支持同步音频生成 - 异步处理模式，使用返回的任务ID [进行查询](/pages/zh/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: seedance-2.0-text-to-video requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/Seedance2T2VRequest' examples: 文生视频标准版: summary: 文生视频（标准版） value: model: seedance-2.0-text-to-video prompt: 夜色中的纸船漂浮在发光水洼上，镜头缓慢推进，电影感 resolution: 480p aspect_ratio: '16:9' duration: 4 generate_audio: false 文生视频快速版: summary: 文生视频（快速版） value: model: seedance-2.0-fast-text-to-video prompt: >- A corgi running on a rain-soaked street, cinematic slow motion resolution: 720p aspect_ratio: adaptive duration: 5 generate_audio: true 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: Seedance2T2VRequest: type: object required: - model - prompt properties: model: description: |- `seedance-2.0-text-to-video`：标准版 `seedance-2.0-fast-text-to-video`：快速版 examples: - seedance-2.0-text-to-video - seedance-2.0-fast-text-to-video type: string default: seedance-2.0-text-to-video prompt: description: | 文本提示词，描述希望生成的视频内容。 **说明：** - 支持中英文 - 最大 5000 字符 maxLength: 5000 minLength: 1 type: string example: 一只柯基在雨后的街道上奔跑，电影感镜头 resolution: default: 720p description: | 输出视频分辨率 **可选值：** - `480p` - `720p` — 默认 - `1080p` — 仅标准版（`seedance-2.0-{text,image,reference}-to-video`）支持， Fast 变体不支持 examples: - 480p - 720p - 1080p type: string x-model-enum-overrides: seedance-2.0-fast-image-to-video: - 480p - 720p seedance-2.0-fast-reference-to-video: - 480p - 720p seedance-2.0-fast-text-to-video: - 480p - 720p aspect_ratio: default: adaptive description: | 输出视频宽高比 **可选值：** - `16:9`、`4:3`、`1:1`、`3:4`、`9:16`、`21:9` - `adaptive` — 由模型自动选择（默认） type: string example: adaptive duration: default: 5 description: 输出视频时长（秒）。支持 `4`–`15` 的整数，或 `-1` 让模型自动决定。默认 `5`。 type: integer example: -1 generate_audio: default: true description: 是否生成与画面同步的音频。默认为 `true`。 type: boolean example: true seed: default: -1 description: 随机种子。`-1` 表示由模型自动生成；传固定整数可提升结果复现性。 type: integer example: -1 TaskResponse: type: object properties: created: type: integer description: 任务创建时间戳 example: 1757165031 id: type: string description: 任务ID example: task-unified-1757165031-uyujaw3d model: type: string description: 实际使用的模型名称 object: type: string description: 任务的具体类型 enum: - video.generation.task 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: type: object description: 异步任务信息 properties: can_cancel: type: boolean description: 任务是否可以取消 example: true estimated_time: type: integer description: 预计完成时间（秒） example: 45 type: type: string description: 任务的输出类型 enum: - video example: video ErrorResponse400: type: object properties: error: type: object properties: message: type: string example: 请求格式错误 type: type: string example: invalid_request_error ErrorResponse401: type: object properties: error: type: object properties: message: type: string example: API密钥无效 type: type: string example: authentication_error ErrorResponse402: type: object properties: error: type: object properties: message: type: string example: 账户余额不足 type: type: string example: insufficient_quota ErrorResponse422: type: object properties: error: type: object properties: message: type: string example: 参数校验失败 type: type: string example: validation_error ErrorResponse429: type: object properties: error: type: object properties: message: type: string example: 请求频率超限 type: type: string example: rate_limit_error ErrorResponse500: type: object properties: error: type: object properties: message: type: string example: 服务器内部错误 type: type: string example: server_error ErrorResponse503: type: object properties: error: type: object properties: message: type: string example: 服务暂不可用，请稍后重试 type: type: string example: service_unavailable responses: TaskCreated: description: 任务创建成功 content: application/json: schema: $ref: '#/components/schemas/TaskResponse' BadRequest: description: 请求格式错误 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse400' Unauthorized: description: 未授权 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse401' PaymentRequired: description: 余额不足 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse402' UnprocessableEntity: description: 参数校验失败 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse422' TooManyRequests: description: 请求频率超限 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse429' InternalServerError: description: 服务器内部错误 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse500' ServiceUnavailable: description: 服务暂不可用 content: application/json: schema: $ref: '#/components/schemas/ErrorResponse503' securitySchemes: BearerAuth: type: http scheme: bearer description: | ## 所有接口均需要使用Bearer Token进行认证 ## 使用时在请求头中添加： `Authorization: Bearer YOUR_API_KEY` ````