生成图片或视频

POST /api/generate/v2

{
  "success": true,
  "generationId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "processing",
  "creditsUsed": 6,
  "modelId": "gpt-image-2.5",
  "aspectRatio": "1:1",
  "credits": {
    "daily": 2,
    "purchased": 50,
    "unlimited": false
  }
}

GET /api/generate/v2/status/:generationId

{
  "jobId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "processing",
  "imageUrl": null,
  "imageUrls": null,
  "videoUrl": null,
  "mediaType": "image",
  "error": null,
  "aspectRatio": "16:9",
  "expectedWaitSeconds": 25,
  "pollHintSeconds": 20
}

{
  "jobId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "completed",
  "imageUrl": "https://images.meigen.ai/generations/xxx.png",
  "imageUrls": ["https://images.meigen.ai/generations/xxx.png"],
  "videoUrl": null,
  "mediaType": "image",
  "error": null,
  "aspectRatio": "16:9"
}

{
  "jobId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "completed",
  "imageUrl": null,
  "imageUrls": null,
  "videoUrl": "https://images.meigen.ai/generations/xxx.mp4",
  "mediaType": "video",
  "error": null,
  "aspectRatio": "16:9"
}

{
  "jobId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "failed",
  "creditsStatus": "refunded",
  "imageUrl": null,
  "imageUrls": null,
  "videoUrl": null,
  "mediaType": "image",
  "error": "Content policy violation",
  "aspectRatio": "16:9"
}

POST /api/upload/reference-video

# 1. 申请预签名 URL
curl -X POST https://www.meigen.ai/api/upload/reference-video \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filename": "theme.mp3",
    "contentType": "audio/mpeg",
    "size": 1843200,
    "modelId": "seedance-2-5",
    "kind": "audio"
  }'

# 2. 把文件字节 PUT 到返回的 presignedUrl
curl -X PUT "<presignedUrl>" \
  -H "Content-Type: audio/mpeg" \
  --data-binary @theme.mp3

# 3. 把返回的 publicUrl 填进 referenceAudios

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A minimalist logo of a mountain, vector style, blue gradient",
    "aspectRatio": "1:1"
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A studio product photo of a ceramic coffee mug, soft window light",
    "modelId": "gpt-image-2.5",
    "aspectRatio": "4:5",
    "resolution": "2K",
    "quality": "low",
    "modelVariant": "sunburst"
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Similar style landscape but with autumn colors",
    "modelId": "seedream-4.5",
    "aspectRatio": "16:9",
    "referenceImages": ["https://example.com/reference.jpg"]
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "a warrior princess in an enchanted forest",
    "modelId": "midjourney-v8.1",
    "aspectRatio": "3:4",
    "referenceImages": ["https://example.com/style-ref.jpg"],
    "referenceType": "style",
    "niji7Options": {
      "stylize": 300,
      "sw": 500
    }
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A majestic eagle soaring over a misty mountain valley at sunrise, cinematic camera movement",
    "modelId": "seedance-2-5",
    "aspectRatio": "16:9",
    "resolution": "720p",
    "duration": 5
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Continue the scene as the eagle dives toward a river below",
    "modelId": "seedance-2-5",
    "aspectRatio": "adaptive",
    "resolution": "480p",
    "duration": 5,
    "referenceVideos": ["https://images.meigen.ai/generations/eagle-clip.mp4"]
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Continue the dive from [video1], then cut to the river camera move of [video2], scored to the rhythm of [audio1]",
    "modelId": "seedance-2-5",
    "aspectRatio": "adaptive",
    "resolution": "480p",
    "duration": 5,
    "referenceVideos": [
      "https://images.meigen.ai/generations/eagle-dive.mp4",
      "https://images.meigen.ai/ref-videos/2026-09-17/river-pan.mp4"
    ],
    "referenceAudios": ["https://images.meigen.ai/ref-videos/2026-09-17/theme.mp3"]
  }'

curl -X POST https://www.meigen.ai/api/generate/v2 \
  -H "Authorization: Bearer meigen_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Blog hero banner image, abstract gradient background with code snippets"
  }'