Nano Banana 2 Image Generator

Generate AI images using Nano Banana Pro via Media.io OpenAPI. State-of-the-art image quality with advanced reasoning, multi-image fusion, character consistency. Supports up to 4K resolution.

MediaIO Nano Banana Pro Image Generator Skill

Overview

This skill provides access to Nano Banana Pro through the Media.io OpenAPI. Nano Banana Pro utilizes next-gen multimodal reasoning to generate images that perfectly align with nuanced conceptual descriptions, featuring state-of-the-art image quality with advanced reasoning, multi-image fusion, and character consistency.

Trigger Keywords

Use this skill when you hear:

• "Nano Banana Pro", "Nano Banana Pro image generator"
• "Generate image with Nano Banana Pro"
• "Banana Pro AI image generation"

Requirements

Environment Variables

Variable	Required	Description
API_KEY	Yes	Media.io OpenAPI key, sent as X-API-KEY header. Apply at https://developer.media.io/.

API Details

Nano Banana Pro Image Generation

• API Name: Nano Banana Pro
• Model Code: i2i-banana-2
• Endpoint: POST https://openapi.media.io/generation/banana/i2i-banana-2
• Description: Utilizes next-gen multimodal reasoning to generate images that perfectly align with nuanced conceptual descriptions.

Key Features

• State-of-the-art image quality
• Advanced multimodal reasoning
• Multi-image fusion
• Character consistency
• Up to 4K resolution support
• Perfect alignment with nuanced conceptual descriptions

Request Parameters

Parameter	Type	Required	Description
prompt	string	Yes	Text description for image generation
image	string	No	Reference image URL for image-to-image
ratio	string	No	Image aspect ratio
fusion_strength	string	No	Multi-image fusion strength

Common Response Structure

json

{
  "code": 0,
  "msg": "",
  "data": {
    "task_id": "..."
  },
  "trace_id": "..."
}

Quick Start

1) Install Dependency

bash

pip install requests

2) Initialize Skill

python

import os
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

3) Configure Environment Variable API_KEY

Windows PowerShell:

powershell

$env:API_KEY="your-api-key"

macOS / Linux (bash/zsh):

bash

export API_KEY="your-api-key"

Usage Examples (Python)

High-Quality Image Generation

python

import os
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

result = skill.invoke(
    'Nano Banana Pro',
    {
        'prompt': 'a serene mountain landscape at sunset, photorealistic, 4K quality, dramatic lighting',
        'ratio': '16:9'
    },
    api_key=api_key
)
print(result)  # Returns task_id when code=0

Multi-Image Fusion

python

import os
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

result = skill.invoke(
    'Nano Banana Pro',
    {
        'prompt': 'a futuristic cityscape combining classical and modern architecture',
        'image': 'https://example.com/reference-image.jpg',
        'fusion_strength': '0.7'
    },
    api_key=api_key
)
print(result)

Query Task Result

python

import os
import time
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

task_id = 'your-task-id'

for _ in range(24):
    r = skill.invoke('Task Result', {'task_id': task_id}, api_key=api_key)
    print(r)
    status = (r.get('data') or {}).get('status')
    if status in ('completed', 'failed', 'succeeded'):
        break
    time.sleep(5)

Task Status Reference

• waiting: queued
• processing: running
• completed: completed successfully
• failed: failed
• timeout: timed out

Error Handling

Error Code	Description
374004	Not authenticated. Apply for an APP KEY at https://developer.media.io/
490505	Insufficient credits. Recharge before invoking generation APIs

External Resources

• API documentation: https://platform.media.io/docs/
• Product overview: https://developer.media.io/
• Credit purchase: https://developer.media.io/pricing.html

Related Files

• scripts/skill_router.py: core routing logic
• scripts/c_api_doc_detail.json: API definitions