Nano Banana - Image Generation API

Generate images from text prompts using Google Nano Banana (Gemini's native image generation).

Base URL

https://api.eng0.ai/api/data

Models

Model	ID	Best For	Max Resolution
Flash	flash	Fast generation, high-volume tasks	1024px
Pro	pro	Professional quality, complex prompts	4K

---

Generate Image

Create an image from a text description.

curl -X POST https://api.eng0.ai/api/data/images/generate \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A futuristic cityscape at sunset with flying cars",
    "model": "flash",
    "aspectRatio": "16:9"
  }'

Parameters:

Name	Type	Required	Default	Description
prompt	string	Yes	-	Text description of the image to generate
model	string	No	flash	flash (fast, 1024px) or pro (high-quality, up to 4K)
aspectRatio	string	No	1:1	Output aspect ratio
imageSize	string	No	1K	1K, 2K, or 4K (4K only with pro model)

Aspect Ratios:

Ratio	Use Case
1:1	Square (social media, icons)
16:9	Landscape (presentations, banners)
9:16	Portrait (mobile, stories)
4:3	Standard landscape
3:4	Standard portrait
21:9	Ultra-wide (cinematic)
2:3, 3:2, 4:5, 5:4	Various formats

Response:

{
  "image": {
    "base64": "iVBORw0KGgoAAAANSUhEUgAA...",
    "mimeType": "image/png",
    "dataUrl": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..."
  },
  "description": "A vibrant futuristic cityscape..."
}

Response Fields:

Field	Description
image.base64	Base64-encoded image data
image.mimeType	Image MIME type (typically image/png)
image.dataUrl	Ready-to-use data URL for HTML/CSS
description ...