curl https://api.openference.com/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "sensenova-u1-fast",
    "prompt": "A minimal flat vector icon of a paper airplane, blue on white",
    "size": "2048x2048"
  }'

{
  "created": 1783970000,
  "model": "SenseNova U1 Fast",
  "data": [
    { "url": "https://api.openference.com/assets/gen/9b6d2c1e-....png" }
  ],
  "usage": { "input_tokens": 13, "output_tokens": 16384, "total_tokens": 16397 }
}