Nano Banana Pro Image Generation

Generate ultra-high resolution, premium quality images using the Nano Banana Pro model

Tool Overview

The Nano Banana Pro Image Generation tool is the professional enhanced version of Nano Banana, providing higher image resolution and superior image quality. It supports generating images from text descriptions and high-quality image editing based on reference pictures.

Tool Identifier

nano-banana-image-pro-api

Parameters

Required Parameters

prompt

Type: string (required)
Description: Text description of the image content to guide AI image generation or editing
Validation: Must be a non-empty string
Example: "A hyper-realistic portrait of a cyberpunk character with neon lighting"

Optional Parameters

image_list

Type: string[] (optional)
Default: [] (empty array, no reference images)
Format: Array of complete HTTP/HTTPS URLs (e.g., ["https://cdn.sjinn.ai/uploads/image.jpg"])
Validation: If provided, must be an array with non-empty string elements

aspect_ratio

Type: string (optional)
Default: "auto"
Supported Values:
- "auto" - Automatically select the optimal aspect ratio
- "1:1" - Square format
- "16:9" - Widescreen landscape
- "9:16" - Portrait mobile
- "4:3" - Standard landscape
- "3:4" - Standard portrait
- "9:21" - Ultra-wide portrait
- "21:9" - Cinematic landscape
- "2:3" - Classic portrait
- "3:2" - Classic landscape
Validation: If an unsupported value is provided, defaults to "auto"

resolution

Type: string (optional)
Default: "1K"
Supported Values:
- "1K" - Standard resolution
- "2K" - High resolution
Validation: If an unsupported value is provided, defaults to "1K"

Pricing

Credits Consumed: 150 credits per task
Membership Requirement: None

Request Examples

Text-to-High-Resolution Image

curl -X POST https://sjinn.ai/api/un-api/create_tool_task \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tool_type": "nano-banana-image-pro-api",
    "input": {
      "prompt": "A breathtaking landscape of northern lights over snowy mountains",
      "aspect_ratio": "16:9",
      "resolution": "2K"
    }
  }'

Image Editing with Reference (2K Output)

curl -X POST https://sjinn.ai/api/un-api/create_tool_task \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tool_type": "nano-banana-image-pro-api",
    "input": {
      "prompt": "Enhance to professional photography quality with dramatic lighting",
      "image_list": ["https://cdn.sjinn.ai/uploads/photo.jpg"],
      "aspect_ratio": "16:9",
      "resolution": "2K"
    }
  }'

High Resolution (2K)

curl -X POST https://sjinn.ai/api/un-api/create_tool_task \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tool_type": "nano-banana-image-pro-api",
    "input": {
      "prompt": "A futuristic sci-fi cityscape with flying vehicles",
      "aspect_ratio": "16:9",
      "resolution": "2K"
    }
  }'

Using JavaScript

const response = await fetch('https://sjinn.ai/api/un-api/create_tool_task', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    tool_type: 'nano-banana-image-pro-api',
    input: {
      prompt: 'A breathtaking landscape of northern lights over snowy mountains',
      aspect_ratio: '16:9',
      resolution: '2K',
    },
  }),
});

const result = await response.json();
console.log('Task ID:', result.data.task_id);

Using Python

import requests

url = 'https://sjinn.ai/api/un-api/create_tool_task'
headers = {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
}
data = {
    'tool_type': 'nano-banana-image-pro-api',
    'input': {
        'prompt': 'A breathtaking landscape of northern lights over snowy mountains',
        'image_list': ['https://cdn.sjinn.ai/uploads/reference.jpg'],
        'aspect_ratio': '16:9',
        'resolution': '2K'
    }
}

response = requests.post(url, json=data, headers=headers)
result = response.json()
print('Task ID:', result['data']['task_id'])

Response Examples

Success Response

{
  "success": true,
  "errorMsg": "",
  "error_code": 0,
  "data": {
    "task_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

Error Response (Invalid Parameters)

{
  "success": false,
  "errorMsg": "image_list must be an array",
  "error_code": 400
}

Standard vs Pro Comparison

Standard Version

Max Resolution: 1K
Image Quality: High
Detail Rendering: Good
Generation Speed: 10-30 seconds
Credit Cost: 50 credits
Use Cases: Daily use, quick prototyping

Pro Version

Max Resolution: 2K
Image Quality: Very High
Detail Rendering: Excellent
Generation Speed: 30-90 seconds
Credit Cost: 150 credits
Use Cases: Professional work, commercial use

Resolution Guide

1K Resolution

Generation Time: 30-60 seconds
Use Cases: Web, social media, quick prototyping

2K Resolution

Generation Time: 60-90 seconds
Use Cases: HD display, printing, professional work

Best Practices

Prompt Optimization:
- Pro version is more sensitive to prompts, use more detailed descriptions
- Include specific style, material, and lighting descriptions
- Can use professional photography terms (e.g., "bokeh", "golden hour", "HDR")
Resolution Selection:
- Use 1K during testing phase to save time
- Use 2K for final products and professional work
Reference Image Usage:
- Pro version better understands and integrates reference image details
- Recommend using high-quality reference images
- For multi-image fusion, recommend no more than 3 images
Aspect Ratio Selection:
- Choose appropriate aspect ratio based on final use
- For print work, recommend 4:3 or 3:4
- For digital display, recommend 16:9 or 9:16
Image URL Format:
- All image URLs in image_list must be complete HTTP/HTTPS addresses
- Ensure images are publicly accessible
Generation Time:
- 1K: 30-60 seconds
- 2K: 60-90 seconds

Nano Banana Pro Image Generation