curl https://api.venice.ai/api/v1/image/generate \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "hunyuan-image-v3",
    "prompt": "A retro travel poster with the bold headline \"VENICE\" in large condensed serif type, sunset color palette",
    "aspect_ratio": "1:1"
  }'