# seedance2.0-Fast/图生视频 ## OpenAPI Specification ```yaml openapi: 3.0.1 info: title: '' description: '' version: 1.0.0 paths: /openapi/v2/rhart-video/sparkvideo-2.0-fast/image-to-video: post: summary: seedance2.0-Fast/图生视频 deprecated: false description: >- seedance 2.0 Fast 图生视频，更注重生成速度与性价比。支持首帧图生视频和首尾帧图生视频两种模式，快速将静态图片转化为 4-15 秒的动态影像。 operationId: postOpenapiV2RhartVideoSparkvideo20FastImageToVideo tags: - 模型API/视频生成与处理/image-to-video/seedance2.0 - 标准模型API/视频生成与处理/image-to-video/seedance2.0 parameters: - name: Content-Type in: header description: '' required: false example: application/json schema: type: string default: application/json - name: Authorization in: header description: '' required: true example: Bearer [Your API KEY] schema: type: string default: Bearer [Your API KEY] requestBody: content: application/json: schema: type: object properties: prompt: type: string minLength: 0 maxLength: 20480 description: 视频生成提示词 resolution: type: string enum: - 480p - 720p - 1080p - 2k - 4k default: 720p description: >- 视频分辨率。分为模型原生输出的分辨率（480p、720p），与基于 720p 原生生成后进行超分放大的分辨率（1080p、2k、4k）。 x-option-metadata: - value: 480p description: 480p - value: 720p description: 720p - value: 1080p description: 1080p - value: 2k description: 2k - value: 4k description: 4k duration: type: string enum: - '-1' - '4' - '5' - '6' - '7' - '8' - '9' - '10' - '11' - '12' - '13' - '14' - '15' default: '5' description: 视频时长（秒） x-option-metadata: - value: '-1' description: '-1' - value: '4' description: '4' - value: '5' description: '5' - value: '6' description: '6' - value: '7' description: '7' - value: '8' description: '8' - value: '9' description: '9' - value: '10' description: '10' - value: '11' description: '11' - value: '12' description: '12' - value: '13' description: '13' - value: '14' description: '14' - value: '15' description: '15' firstFrameUrl: type: string format: uri default: >- https://www.runninghub.cn/view?filename=767f5a40041fa18eae8da0ad28a5312c97d6b9e276679dad1a687fbdbf5289a4.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzUwNDE3NjU5NjEsInRzIjoxNzc0NDM2OTY1OTYxLCJzaWduIjoiNDkyODZjYjFiYTBmMWFiYjRkODI4YTBjYTJjYWMzYTAifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.536881616310037 description: |- 首帧图片 支持的文件格式：JPG, JPEG, PNG, WEBP. lastFrameUrl: type: string format: uri default: >- https://www.runninghub.cn/view?filename=b8f1f59101a141f8a425378d6cd3a5aba812cec34797aa82822abb1fdc36e380.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzUwNDE3NjU5NjEsInRzIjoxNzc0NDM2OTY1OTYxLCJzaWduIjoiNDkyODZjYjFiYTBmMWFiYjRkODI4YTBjYTJjYWMzYTAifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.4442212472095596 description: |- 尾帧图片（可选，首尾帧模式） 支持的文件格式：JPG, JPEG, PNG, WEBP. generateAudio: type: boolean default: true description: 是否生成视频音频 ratio: type: string enum: - adaptive - '16:9' - '4:3' - '1:1' - '3:4' - '9:16' - '21:9' default: adaptive description: 视频宽高比 x-option-metadata: - value: adaptive description: 自适应 - value: '16:9' description: '16:9' - value: '4:3' description: '4:3' - value: '1:1' description: '1:1' - value: '3:4' description: '3:4' - value: '9:16' description: '9:16' - value: '21:9' description: '21:9' realPersonMode: type: boolean default: true description: 真人模式，开启后系统会自动将图片/视频/音频转为火山资产（asset://），提升生成效果。 conversionSlots: type: array items: type: string enum: - all - firstFrameUrl - lastFrameUrl default: - all description: 真人素材资产化槽位，多选；all 表示首帧与尾帧都做资产化。 x-option-metadata: - value: all description: all - value: firstFrameUrl description: firstFrameUrl - value: lastFrameUrl description: lastFrameUrl returnLastFrame: type: boolean default: false description: 是否返回视频尾帧图片 seed: type: integer minimum: -1 maximum: 2147483647 multipleOf: 1 default: -1 description: 种子整数，用于控制生成内容的随机性。 required: - resolution - duration - firstFrameUrl x-apifox-orders: - prompt - resolution - duration - firstFrameUrl - lastFrameUrl - generateAudio - ratio - realPersonMode - conversionSlots - returnLastFrame - seed example: resolution: 720p duration: '5' firstFrameUrl: >- https://www.runninghub.cn/view?filename=767f5a40041fa18eae8da0ad28a5312c97d6b9e276679dad1a687fbdbf5289a4.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzUwNDE3NjU5NjEsInRzIjoxNzc0NDM2OTY1OTYxLCJzaWduIjoiNDkyODZjYjFiYTBmMWFiYjRkODI4YTBjYTJjYWMzYTAifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.536881616310037 lastFrameUrl: >- https://www.runninghub.cn/view?filename=b8f1f59101a141f8a425378d6cd3a5aba812cec34797aa82822abb1fdc36e380.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzUwNDE3NjU5NjEsInRzIjoxNzc0NDM2OTY1OTYxLCJzaWduIjoiNDkyODZjYjFiYTBmMWFiYjRkODI4YTBjYTJjYWMzYTAifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.4442212472095596 generateAudio: true ratio: adaptive realPersonMode: true conversionSlots: - all returnLastFrame: false seed: -1 responses: '200': x-apifox-name: 成功 x-apifox-ordering: 0 description: 任务结果查询接口：`/openapi/v2/query` content: application/json: schema: type: object properties: taskId: type: string description: 任务 ID，用于后续查询任务结果。 status: type: string enum: - QUEUED - RUNNING - SUCCESS - FAILED description: 任务状态。 errorCode: type: string description: 错误码。 errorMessage: type: string description: 错误信息。 results: type: array items: type: object properties: url: type: string description: 输出文件 URL。 nullable: true outputType: type: string description: 输出类型或文件扩展名。 nullable: true text: type: string description: 文本输出内容。 nullable: true x-apifox-orders: - url - outputType - text description: 任务输出结果列表；处理中时可能为 null。 nullable: true clientId: type: string description: 客户端标识。 promptTips: type: string description: 提示词执行反馈，使用 JSON 字符串承载。 failedReason: type: object additionalProperties: true description: 失败详情对象。 x-apifox-orders: [] nullable: true usage: type: object description: 计费与耗时信息。 properties: thirdPartyConsumeMoney: type: string description: 第三方消耗金额。 nullable: true consumeMoney: type: string description: 平台消耗金额。 nullable: true consumeCoins: type: string description: 平台消耗点数。 nullable: true taskCostTime: type: string description: 任务耗时。 nullable: true x-apifox-orders: - thirdPartyConsumeMoney - consumeMoney - consumeCoins - taskCostTime nullable: true required: - taskId - status - errorCode - errorMessage - results - clientId - promptTips x-apifox-orders: - taskId - status - errorCode - errorMessage - results - clientId - promptTips - failedReason - usage examples: taskSubmitted: summary: 提交任务响应示例 value: taskId: '2013508786110730241' status: RUNNING errorCode: '' errorMessage: '' results: null clientId: f828b9af25161bc066ef152db7b29ccc promptTips: >- {"result": true, "error": null, "outputs_to_execute": ["4"], "node_errors": {}} taskSucceeded: summary: 任务完成（查询状态接口）响应示例 value: taskId: '2013508786110730241' status: SUCCESS errorCode: '' errorMessage: '' failedReason: {} usage: consumeMoney: null consumeCoins: null taskCostTime: '0' thirdPartyConsumeMoney: null results: - url: >- https://rh-images-1252422369.cos.ap-beijing.myqcloud.com/22820eb19d5010de41dbf6856e984340/2026-06-12/243d245f33959a7a6a28a756f6ee1402.mp4 outputType: mp4 text: null clientId: '' promptTips: '' headers: {} security: [] x-sku-id: '2034917373414539276' x-apifox-folder: 模型API/视频生成与处理/image-to-video/seedance2.0 x-apifox-status: released x-run-in-apifox: https://app.apifox.com/web/project/7913447/apis/api-448183115-run components: schemas: {} securitySchemes: {} servers: - url: https://www.runninghub.cn description: runninghub.cn security: [] ```