Veo 视频生成

实际扣费 = $0.14 × 视频秒数

任意 Veo 模型生成 8 秒视频：
$0.14 × 8 = $1.12

{
  "metadata": {
    "aspectRatio": "9:16"
  }
}

黄昏海边的灯塔，海浪轻拍礁石，远处有低沉的风声和海鸟声，电影级光影，稳定运镜

export BASE_URL="https://nexaxis.ai"
export API_TOKEN="sk-xxxxxx"

-H "Authorization: Bearer $API_TOKEN"

curl -X POST "$BASE_URL/v1/videos" \
  -H "Authorization: Bearer $API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo-3.1-generate-preview",
    "prompt": "黄昏海边的灯塔，镜头缓慢推进，海浪轻拍礁石，电影级光影，稳定运镜",
    "duration": 8,
    "size": "1280x720",
    "metadata": {
      "negativePrompt": "blurry, watermark, distorted, low quality",
      "resolution": "720p",
      "aspectRatio": "16:9",
      "seed": 20260401
    }
  }'

{
  "id": "task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
  "task_id": "task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
  "object": "video",
  "model": "veo-3.1-generate-preview",
  "status": "queued",
  "progress": 0,
  "created_at": 1775025000
}

curl -X POST "$BASE_URL/v1/videos" \
  -H "Authorization: Bearer $API_TOKEN" \
  -H "Accept: application/json" \
  -F "model=veo-3.1-generate-preview" \
  -F "prompt=让画面中的女孩转头看向镜头，微风吹动头发，背景城市灯光轻微虚化，镜头平稳推进" \
  -F "input_reference=@./first-frame.png;type=image/png" \
  -F "seconds=8" \
  -F "size=1280x720" \
  -F "resolution=720p" \
  -F "aspectRatio=16:9" \
  -F "negativePrompt=blurry, watermark, deformed hands" \
  -F "seed=20260401"

curl -X POST "$BASE_URL/v1/videos" \
  -H "Authorization: Bearer $API_TOKEN" \
  -H "Accept: application/json" \
  -F "model=veo-3.1-generate-preview" \
  -F "prompt=从第一张女孩画面自然过渡到最后一张男孩画面，镜头平稳推进，城市灯光虚化，发丝和衣服有轻微风动，过渡自然真实" \
  -F "input_reference=@./first-frame.png;type=image/png" \
  -F "last_frame=@./last-frame.png;type=image/png" \
  -F "seconds=8" \
  -F "size=1280x720" \
  -F "resolution=720p" \
  -F "aspectRatio=16:9" \
  -F "negativePrompt=blurry, watermark, distorted face, deformed hands" \
  -F "seed=20260402"

curl -X POST "$BASE_URL/v1/videos" \
  -H "Authorization: Bearer $API_TOKEN" \
  -H "Accept: application/json" \
  -F "model=veo-3.1-generate-preview" \
  -F "prompt=参考两张图片中的人物外观和城市夜景氛围，生成一段电影感双人街头镜头，镜头平稳推进，背景灯光轻微虚化，人物自然看向镜头" \
  -F "reference_image=@./ref-1.png;type=image/png" \
  -F "reference_image=@./ref-2.png;type=image/png" \
  -F "reference_type=asset" \
  -F "seconds=8" \
  -F "size=1280x720" \
  -F "resolution=720p" \
  -F "aspectRatio=16:9" \
  -F "seed=20260403"

{
  "model": "veo-3.1-generate-preview",
  "prompt": "使用参考图中的产品外观生成广告镜头",
  "duration": 8,
  "metadata": {
    "resolution": "720p",
    "aspectRatio": "16:9",
    "referenceImages": [
      {
        "image": {
          "bytesBase64Encoded": "BASE64_IMAGE",
          "mimeType": "image/png"
        },
        "referenceType": "asset"
      }
    ]
  }
}

export TASK_ID="task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

curl -X GET "$BASE_URL/v1/videos/$TASK_ID" \
  -H "Authorization: Bearer $API_TOKEN"

{
  "id": "task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
  "object": "video",
  "model": "veo-3.1-generate-preview",
  "status": "in_progress",
  "progress": 50,
  "created_at": 1775025000
}

{
  "id": "task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
  "object": "video",
  "model": "veo-3.1-generate-preview",
  "status": "completed",
  "progress": 100,
  "created_at": 1775025000,
  "completed_at": 1775025068
}

curl -X GET "$BASE_URL/v1/video/generations/$TASK_ID" \
  -H "Authorization: Bearer $API_TOKEN"

{
  "code": "success",
  "message": "",
  "data": {
    "error": null,
    "format": "mp4",
    "metadata": null,
    "status": "succeeded",
    "task_id": "task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "url": "https://nexaxis.ai/v1/videos/task_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/content"
  }
}

curl -L "$BASE_URL/v1/videos/$TASK_ID/content" \
  -H "Authorization: Bearer $API_TOKEN" \
  -o veo-result.mp4