> ## Documentation Index
> Fetch the complete documentation index at: https://docs.unifically.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Nano Banana Pro

> Advanced image generation with Google Gemini 3

Generate high-quality images using Nano Banana Pro powered by Gemini 3.

## Model

```
google/nano-banana-pro
```

## Parameters

| Parameter      | Type    | Required | Description                                                                                     |
| -------------- | ------- | -------- | ----------------------------------------------------------------------------------------------- |
| `prompt`       | string  | Yes      | Text description of the image                                                                   |
| `aspect_ratio` | string  | No       | `auto`, `1:1`, `2:3`, `3:2`, `3:4`, `4:3`, `4:5`, `5:4`, `9:16`, `16:9`, `21:9`. Default: `1:1` |
| `image_urls`   | array   | No       | Reference image URLs                                                                            |
| `resolution`   | string  | No       | `1K`, `2K`, `4K`. Default: `1K`                                                                 |
| `seed`         | integer | No       | Seed for reproducible generation                                                                |

## Example Request

```bash theme={null}
curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "google/nano-banana-pro",
    "input": {
      "prompt": "A photorealistic portrait in golden hour lighting",
      "aspect_ratio": "3:4",
      "resolution": "4k"
    }
  }'
```

## Response

```json theme={null}
{
  "code": 200,
  "success": true,
  "data": {
    "task_id": "abc123def456",
    "status": "processing"
  }
}
```