curl -X POST https://gogogotoken.com/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seedream-4.0",
    "prompt": "现代智能手表产品海报，白色背景，柔和棚拍光线，突出屏幕和金属质感",
    "n": 1,
    "size": "1024x1024"
  }'

{
  "created": 1730000000,
  "data": [
    {
      "url": "https://assets.example.com/generated-image.png"
    }
  ]
}

{
  "error": {
    "message": "Invalid API key",
    "type": "invalid_request_error",
    "code": "invalid_api_key"
  }
}