Seedance 2.0 / 2.5 按秒 API

curl -X POST https://www.salpx.com/v1/videos \
  -H "Authorization: Bearer $SALPX_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "LK-seedance-2.0-mini-480p",
    "prompt": "霓虹都市夜景，镜头缓缓推进，雨后街道倒映灯光",
    "duration": 4,
    "ratio": "16:9"
  }'

curl -X POST https://www.salpx.com/v1/videos \
  -H "Authorization: Bearer $SALPX_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "LK-seedance-2.5-720p",
    "prompt": "角色与参考图一致，动作节奏贴合参考音频",
    "duration": 5,
    "ratio": "16:9",
    "metadata": {
      "content": [
        {"type":"image_url","image_url":{"url":"https://your-cdn.com/char.png"},"role":"reference_image"},
        {"type":"audio_url","audio_url":{"url":"https://your-cdn.com/bgm.mp3"},"role":"reference_audio"}
      ]
    }
  }'

curl -X POST https://www.salpx.com/v1/videos \
  -H "Authorization: Bearer $SALPX_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "LK-seedance-2.5-ref-720p",
    "prompt": "角色跟参考图一致，运镜跟参考视频，节奏贴合参考音频",
    "duration": 5,
    "ratio": "16:9",
    "metadata": {
      "content": [
        {"type":"image_url","image_url":{"url":"https://your-cdn.com/char.png"},"role":"reference_image"},
        {"type":"video_url","video_url":{"url":"https://your-cdn.com/motion.mp4"},"role":"reference_video"},
        {"type":"audio_url","audio_url":{"url":"https://your-cdn.com/bgm.mp3"},"role":"reference_audio"}
      ]
    }
  }'

curl -X POST https://www.salpx.com/v1/videos \
  -H "Authorization: Bearer $SALPX_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "LK-seedance-2.0-720p",
    "prompt": "从第一张图自然过渡到第二张图",
    "duration": 4,
    "metadata": {
      "content": [
        {"type":"image_url","image_url":{"url":"https://your-cdn.com/first.png"},"role":"first_frame"},
        {"type":"image_url","image_url":{"url":"https://your-cdn.com/last.png"},"role":"last_frame"}
      ]
    }
  }'

{
  "id": "task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L",
  "task_id": "task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L",
  "object": "video",
  "model": "LK-seedance-2.0-mini-480p",
  "status": "queued",
  "progress": 0,
  "created_at": 1789980686
}

curl -X POST https://www.salpx.com/v1/videos \
  -H "Authorization: Bearer $SALPX_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance-2.5-bk",
    "prompt": "角色与参考图一致，在海边奔跑，电影感镜头",
    "seconds": 30,
    "size": "1280x720",
    "images": [
      "https://your-cdn.com/char-1.png",
      "https://your-cdn.com/char-2.png"
    ]
  }'

curl -X POST https://www.salpx.com/v1/videos \
  -H "Authorization: Bearer $SALPX_KEY" \
  -F "model=seedance-2.5-bk" \
  -F "prompt=人物动作跟随参考音频的节奏" \
  -F "seconds=10" \
  -F "image_urls=https://your-cdn.com/char-1.png" \
  -F "audio_urls=https://your-cdn.com/bgm.mp3"

{
  "model": "LK-seedance-2.5-ref-720p",
  "resolution": { "fixed": "720p", "supported": ["720p"] },
  "speed_version": "标准",
  "duration": { "min": 4, "max": 30, "unit": "second" },
  "aspect_ratio": {
    "supported": ["16:9","1:1","21:9","3:4","4:3","9:16","adaptive"],
    "default": null,
    "default_note": "不传 ratio 时本网关不代填，由上游决定；要锁定画幅必须显式传",
    "first_last_frame_forces_adaptive": true
  },
  "first_last_frame": { "supported": true, "max_images": 2,
                        "roles": ["first_frame","last_frame"] },
  "omni_reference": { "supported": true, "max_images": 30, "max_videos": 10,
                      "max_audios": 10, "reference_video_required": true,
                      "audio_only_supported": true },
  "media_constraints": {
    "max_file_size_mb": 10,
    "reference_video_seconds": { "min_per_clip": 2, "max_per_clip": 30, "max_total": 30 },
    "reference_audio_seconds": { "max_total": 30 },
    "image_formats": ["jpeg","png","webp","bmp","tiff","gif","heic","heif"],
    "video_formats": ["mp4","mov"],
    "audio_formats": ["wav","mp3"]
  },
  "white_model": { "supported": true, "parameter": "draft", "type": "boolean",
                   "default": false, "verified": true },
  "billing": { "mode": "per-second", "counted": "出片秒数",
               "not_counted": ["参考视频时长","参考图","参考音频"] },
  "cancellation": { "supported": true, "window_seconds": 20 },
  "prompt_options": { "supported": ["--duration","--resolution","--ratio","--draft"] }
}

curl https://www.salpx.com/v1/videos/task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L   -H "Authorization: Bearer $SALPX_KEY"

{
  "id": "task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L",
  "task_id": "task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L",
  "object": "video",
  "model": "LK-seedance-2.0-mini-480p",
  "status": "completed",
  "progress": 100,
  "created_at": 1789980686,
  "completed_at": 1789980844,
  "metadata": {
    "url": "https://video.example.com/20260921/20260921165358_xxxx.mp4"
  }
}

{
  "id": "task_KnXwJpBG5mE05tuK0CzN0hDTaAUQChKr",
  "object": "video",
  "model": "LK-seedance-2.5-ref-480p",
  "status": "failed",
  "progress": 100,
  "error": {
    "code": "InternalServiceError",
    "message": "参考素材无法下载(请提供公网可直接访问的链接): video[0]（已退款）"
  }
}

curl -X POST https://www.salpx.com/v1/videos/task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L/cancel   -H "Authorization: Bearer $SALPX_KEY"

{
  "id": "task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L",
  "object": "video",
  "status": "cancelled",
  "progress": 100,
  "refunded": 96450
}

curl -L -o out.mp4   https://www.salpx.com/v1/videos/task_wD4efMzF414I6eMTQ7j2A3bW1Wluh44L/content   -H "Authorization: Bearer $SALPX_KEY"