POST /v1beta/models/{model}:generateContent

curl "https://api.crazyrouter.com/v1beta/models/gemini-3.1-pro:generateContent?key=YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [
      {
        "role": "user",
        "parts": [
          {
            "fileData": {
              "mimeType": "video/mp4",
              "fileUri": "https://example.com/demo.mp4"
            }
          },
          {
            "text": "请用一句中文回答：视频里的主体是什么，如何运动，镜头是否固定。"
          }
        ]
      }
    ],
    "generationConfig": {
      "maxOutputTokens": 512
    }
  }'

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "text": "视频里的主体是一个红色小球，它从左向右滚动，镜头是固定的。"
          }
        ]
      }
    }
  ]
}