happyhorse-1.1-i2v

curl https://api.aisa.one/v1/video/generations \
  -H "Content-Type: application/json" \
  -H 'Authorization: Bearer $AISA_API_KEY' \
  -d '{
    "model": "happyhorse-1.1-i2v",
    "input": {
        "prompt": "A cat dashes through the grass.",
        "media": [
            {
                "type": "first_frame",
                "url": "https://cdn.translate.alibaba.com/r/wanx-demo-1.png"
            }
        ]
    },
    "parameters": {
        "resolution": "720P",
        "duration": 5
    }
}'

# Use the returned task_id with the video-generation-fetch endpoint to check status.