Nano Banana Pro — Text-to-Image

curl -X POST https://routerbase.com/v1/images/generations \
  -H "Authorization: Bearer sk-rb-xxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3-pro-image-t2i",
    "prompt": "A photorealistic portrait of a golden retriever in a meadow",
    "aspect_ratio": "16:9",
    "size": "4K"
  }'

from openai import OpenAI

client = OpenAI(
    api_key="sk-rb-xxxxxxxxxxxx",
    base_url="https://routerbase.com/v1",
)

img = client.images.generate(
    model="google/gemini-3-pro-image-t2i",
    prompt="A photorealistic portrait of a golden retriever in a meadow",
    extra_body={"aspect_ratio": "16:9", "size": "4K"},
)
print(img.data[0].url)