使用 RunComfy 的 API 运行 ltx/ltx-2/pro/image-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/ltx/ltx-2/pro/image-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "A woman stands still amid a busy neon-lit street at night. The camera slowly dollies in toward her face as people blur past, their motion emphasizing her calm presence. ",
"image_url": "https://playgrounds-storage-public.runcomfy.net/tools/7233/media-files/input-1-1.jpg"
}'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/ltx/ltx-2/pro/image-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "A woman stands still amid a busy neon-lit street at night. The camera slowly dollies in toward her face as people blur past, their motion emphasizing her calm presence. ",
"image_url": "https://playgrounds-storage-public.runcomfy.net/tools/7233/media-files/input-1-1.jpg"
}'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",
"image_url"
],
"properties": {
"image_url": {
"title": "图片",
"description": "必填源图片，接受 `jpg`、`jpeg`、`png`、`webp`、`gif`、`avif`。",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7233/media-files/input-1-1.jpg"
},
"prompt": {
"title": "提示词",
"description": "必填指令，用于描述主体运动、场景变化和镜头运动。",
"type": "string",
"default": "A woman stands still amid a busy neon-lit street at night. The camera slowly dollies in toward her face as people blur past, their motion emphasizing her calm presence. "
},
"duration": {
"title": "时长",
"description": "视频时长（秒），精确值为 6、8、10。",
"type": "integer",
"enum": [
6,
8,
10
],
"default": 6
},
"resolution": {
"title": "分辨率",
"description": "输出分辨率，精确值为 `1080p`、`1440p`、`2160p`。",
"type": "string",
"enum": [
"1080p",
"1440p",
"2160p"
],
"default": "1080p"
},
"aspect_ratio": {
"title": "宽高比（宽:高）",
"description": "输出宽高比，唯一支持的值为 `16:9`。",
"type": "string",
"enum": [
"16:9"
],
"default": "16:9"
},
"fps": {
"title": "帧率",
"description": "输出帧率，精确值为 25、50 FPS。",
"type": "integer",
"enum": [
25,
50
],
"default": 25
},
"generate_audio": {
"title": "生成音频",
"description": "是否随视频生成音频。该布尔值默认是 `true`。",
"type": "boolean",
"default": true
}
}
}{
"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。