使用 RunComfy 的 API 运行 bytedance/seedance-2.0-mini/video-to-video。 可接受的输入与输出请参阅模型的 数据结构说明。
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedance-2.0-mini/video-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Transform the autumn forest into a deep winter snowscape: frosted evergreen trees, steady falling snow, frozen mist over the valley, cold blue morning light, and white steam billowing from the train into the frigid air. Keep the original camera move and the train motion intact, cinematic color grade.",
"video": "https://playgrounds-storage-public.runcomfy.net/tools/7376/media-files/input.mp4"
}'将 YOUR_API_TOKEN 环境变量设置为您的 API 密钥（在 个人资料中管理密钥），并在每个请求的 Authorization 标头中以 Bearer 令牌形式携带： Authorization: Bearer $YOUR_API_TOKEN。
提交异步生成任务，将立即获得 request_id 以及用于查询状态、获取结果和取消的 URL。
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedance-2.0-mini/video-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Transform the autumn forest into a deep winter snowscape: frosted evergreen trees, steady falling snow, frozen mist over the valley, cold blue morning light, and white steam billowing from the train into the frigid air. Keep the original camera move and the train motion intact, cinematic color grade.",
"video": "https://playgrounds-storage-public.runcomfy.net/tools/7376/media-files/input.mp4"
}'根据 request_id 获取当前状态（"in_queue"、"in_progress"、"completed" 或 "cancelled"）。
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
--header "Authorization: Bearer <token>"获取指定 request_id 的最终输出与元数据；若任务未完成，响应会返回当前状态，便于继续轮询。
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
--header "Authorization: Bearer <token>"通过 request_id 取消排队中的任务；进行中的任务无法取消。
curl --request POST \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
--header "Authorization: Bearer <token>"请提供可公网访问的 HTTPS 地址。确保目标主机允许服务端拉取（无需登录或 Cookie）、未被限流或拦截爬虫。建议：图片 ≤ 50 MB（约 4K），视频 ≤ 100 MB（约 720p 下 2–5 分钟）。私有资源请使用稳定或预签名 URL。
{
"type": "object",
"title": "输入结构",
"required": [
"prompt",
"video"
],
"properties": {
"prompt": {
"title": "提示词",
"description": "描述希望对源视频进行的更改，例如调整视觉风格、光线、天气或背景。",
"type": "string",
"default": "Transform the autumn forest into a deep winter snowscape: frosted evergreen trees, steady falling snow, frozen mist over the valley, cold blue morning light, and white steam billowing from the train into the frigid air. Keep the original camera move and the train motion intact, cinematic color grade."
},
"video": {
"title": "源视频 URL",
"description": "要编辑的视频公开 URL。超过 15 秒的视频将截取前 15 秒。",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7376/media-files/input.mp4"
},
"reference_images": {
"title": "参考图像",
"description": "可选的图像 URL，用于引导编辑后的主体身份、风格或视觉方向。",
"type": "array",
"minItems": 0
},
"reference_audios": {
"title": "参考音频",
"description": "可选的音频 URL，用于引导生成的音轨。",
"type": "array",
"minItems": 0
},
"resolution": {
"title": "分辨率",
"description": "输出视频的分辨率档位。",
"type": "string",
"enum": [
"480p",
"720p"
],
"default": "720p"
},
"aspect_ratio": {
"title": "宽高比",
"description": "输出宽高比。可保留默认设置或选择画幅；未设置时，输出将自动适配输入视频。",
"type": "string",
"enum": [
"16:9",
"9:16",
"4:3",
"3:4",
"1:1",
"21:9"
],
"default": "16:9"
},
"duration": {
"title": "时长",
"description": "编辑后视频的时长，以秒为单位。保留默认值时，将根据输入视频自动检测。",
"type": "integer",
"minimum": 4,
"maximum": 15,
"default": 5
},
"generate_audio": {
"title": "生成音频",
"description": "为编辑后的输出生成原生音频。关闭后将保留输入视频的原始音轨。",
"type": "boolean",
"default": true
},
"enable_web_search": {
"title": "启用联网搜索",
"description": "允许模型在提示词需要时获取实时信息。",
"type": "boolean",
"default": false
}
}
}{
"output": {
"type": "object",
"properties": {
"image": {
"type": "string",
"format": "uri",
"description": "单张图片 URL"
},
"video": {
"type": "string",
"format": "uri",
"description": "单个视频 URL"
},
"images": {
"type": "array",
"description": "多张图片 URL",
"items": {
"type": "string",
"format": "uri"
}
},
"videos": {
"type": "array",
"description": "多个视频 URL",
"items": {
"type": "string",
"format": "uri"
}
}
}
}
}RunComfy 是首选的 ComfyUI 平台，提供 ComfyUI 在线 环境和服务，以及 ComfyUI 工作流 具有惊艳的视觉效果。 RunComfy还提供 AI Models, 帮助艺术家利用最新的AI工具创作出令人惊叹的艺术作品。