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Nano Banana, Nano Banana Pro, Nano Banana 2 - Google AI image generation models for AI agents. Ultra-high character consistency, 1K-4K resolution, up to 14 r...
---
name: nano-banana-skill
description: Nano Banana, Nano Banana Pro, Nano Banana 2 - Google AI image generation models for AI agents. Ultra-high character consistency, 1K-4K resolution, up to 14 reference images, extreme aspect ratios up to 21:9 and 8:1.
metadata:
openclaw:
requires:
env:
- MONET_API_KEY # Required: API key from monet.vision
bins: []
---
# Nano Banana Skill
Nano Banana is Google's cutting-edge AI image generation model series designed for AI agents. Part of the Monet AI unified API platform.
## When to Use
Use this skill when:
- **Character Consistent Image Series**: Create images with consistent characters using reference images
- nano-banana-1: Up to 5 reference images for character consistency
- nano-banana-1-pro: Up to 14 reference images with 1K-4K resolution
- nano-banana-2: Latest Gemini model with extreme aspect ratio support
- **High-Resolution Output**: Generate professional-grade images with 1K, 2K, or 4K resolution
- **Ultra-Wide Formats**: Create panoramic images with extreme aspect ratios (21:9, 8:1)
- **Style Transfer**: Use multiple reference images to guide style and character
## Getting API Key
1. Visit https://monet.vision to register an account
2. After login, go to https://monet.vision/skills/keys to create an API Key
3. Configure the API Key in environment variables or code
If you don't have an API Key, ask your owner to apply at monet.vision.
## Quick Start
### Create an Image Generation Task
```bash
curl -X POST https://monet.vision/api/v1/tasks/async \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $MONET_API_KEY" \
-d '{
"type": "image",
"input": {
"model": "nano-banana-1",
"prompt": "A cute cat in a garden",
"aspect_ratio": "16:9"
},
"idempotency_key": "unique-key-123"
}'
```
> ⚠️ **Important**: `idempotency_key` is **required**. Use a unique value (e.g., UUID) to prevent duplicate task creation if the request is retried.
Response:
```json
{
"id": "task_abc123",
"status": "pending",
"type": "image",
"created_at": "2026-02-27T10:00:00Z"
}
```
### Get Task Status and Result
Task processing is asynchronous. You need to poll the task status until it becomes `success` or `failed`. **Recommended polling interval: 5 seconds**.
```bash
curl https://monet.vision/api/v1/tasks/task_abc123 \
-H "Authorization: Bearer $MONET_API_KEY"
```
Response when completed:
```json
{
"id": "task_abc123",
"status": "success",
"type": "image",
"outputs": [
{
"model": "nano-banana-1",
"status": "success",
"progress": 100,
"url": "https://files.monet.vision/..."
}
],
"created_at": "2026-02-27T10:00:00Z",
"updated_at": "2026-02-27T10:01:30Z"
}
```
**Example: Poll until completion**
```typescript
const TASK_ID = "task_abc123";
const MONET_API_KEY = process.env.MONET_API_KEY;
async function pollTask() {
while (true) {
const response = await fetch(
`https://monet.vision/api/v1/tasks/${TASK_ID}`,
{
headers: {
Authorization: `Bearer ${MONET_API_KEY}`,
},
},
);
const data = await response.json();
const status = data.status;
if (status === "success") {
console.log("Task completed successfully!");
console.log(JSON.stringify(data, null, 2));
break;
} else if (status === "failed") {
console.log("Task failed!");
console.log(JSON.stringify(data, null, 2));
break;
} else {
console.log(`Task status: ${status}, waiting...`);
await new Promise((resolve) => setTimeout(resolve, 5000));
}
}
}
pollTask();
```
## Supported Models
### nano-banana-1
**nano-banana-1** - Google Nano Banana
_Ultra-high character consistency_
- 🎯 **Use Cases**: Image series requiring consistent character appearance
- 📐 **Max Reference Images**: 5
```typescript
{
model: "nano-banana-1",
prompt: string, // Required
images?: string[], // Optional: Up to 5 reference images
aspect_ratio?: "1:1" | "2:3" | "3:2" | "4:3" | "3:4" | "16:9" | "9:16"
}
```
### nano-banana-1-pro
**nano-banana-1-pro** - Nano Banana Pro
_Google flagship generation model_
- 🎯 **Use Cases**: Professional-grade high-quality image generation
- 📐 **Max Reference Images**: 14
- 🖥️ **Resolution**: 1K, 2K, 4K
```typescript
{
model: "nano-banana-1-pro",
prompt: string, // Required
images?: string[], // Optional: Up to 14 reference images
aspect_ratio?: "1:1" | "2:3" | "3:2" | "4:3" | "3:4" | "4:5" | "5:4" | "16:9" | "9:16" | "21:9",
resolution?: "1K" | "2K" | "4K"
}
```
### nano-banana-2
**nano-banana-2** - Nano Banana 2
_Google Gemini latest model_
- 🎯 **Use Cases**: Latest technology for high-quality image generation
- 📐 **Max Reference Images**: 14
- 🖥️ **Resolution**: 1K, 2K, 4K
- 🌍 **Special**: Ultra-wide aspect ratios including 8:1
```typescript
{
model: "nano-banana-2",
prompt: string, // Required
images?: string[], // Optional: Up to 14 reference images
aspect_ratio?: "1:1" | "2:3" | "3:2" | "4:3" | "3:4" | "4:5" | "5:4" | "16:9" | "9:16" | "21:9" | "4:1" | "1:4" | "8:1" | "1:8",
resolution?: "1K" | "2K" | "4K"
}
```
## API Reference
### Create Task (Async)
POST `/api/v1/tasks/async` - Create an async task. Returns immediately with task ID.
**Request:**
```bash
curl -X POST https://monet.vision/api/v1/tasks/async \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $MONET_API_KEY" \
-d '{
"type": "image",
"input": {
"model": "nano-banana-1",
"prompt": "A cute cat"
},
"idempotency_key": "unique-key-123"
}'
```
> ⚠️ **Important**: `idempotency_key` is **required**. Use a unique value (e.g., UUID) to prevent duplicate task creation if the request is retried.
**Response:**
```json
{
"id": "task_abc123",
"status": "pending",
"type": "image",
"created_at": "2026-02-27T10:00:00Z"
}
```
### Create Task (Streaming)
POST `/api/v1/tasks/sync` - Create a task with SSE streaming. Waits for completion and streams progress.
**Request:**
```bash
curl -X POST https://monet.vision/api/v1/tasks/sync \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $MONET_API_KEY" \
-N \
-d '{
"type": "image",
"input": {
"model": "nano-banana-1",
"prompt": "A cute cat"
},
"idempotency_key": "unique-key-123"
}'
```
### Get Task
GET `/api/v1/tasks/{taskId}` - Get task status and result.
**Request:**
```bash
curl https://monet.vision/api/v1/tasks/task_abc123 \
-H "Authorization: Bearer $MONET_API_KEY"
```
**Response:**
```json
{
"id": "task_abc123",
"status": "success",
"type": "image",
"outputs": [
{
"model": "nano-banana-1",
"status": "success",
"progress": 100,
"url": "https://files.monet.vision/..."
}
],
"created_at": "2026-02-27T10:00:00Z",
"updated_at": "2026-02-27T10:01:30Z"
}
```
### List Tasks
GET `/api/v1/tasks/list` - List tasks with pagination.
**Request:**
```bash
curl "https://monet.vision/api/v1/tasks/list?page=1&pageSize=20" \
-H "Authorization: Bearer $MONET_API_KEY"
```
**Response:**
```json
{
"tasks": [
{
"id": "task_abc123",
"status": "success",
"type": "image",
"outputs": [
{
"model": "nano-banana-1",
"status": "success",
"progress": 100,
"url": "https://files.monet.vision/..."
}
],
"created_at": "2026-02-27T10:00:00Z",
"updated_at": "2026-02-27T10:01:30Z"
}
],
"page": 1,
"pageSize": 20,
"total": 100
}
```
### Upload File
POST `/api/v1/files` - Upload a file to get an online access URL.
> 📁 **File Storage**: Uploaded files are stored for **24 hours** and will be automatically deleted after expiration.
**Request:**
```bash
curl -X POST https://monet.vision/api/v1/files \
-H "Authorization: Bearer $MONET_API_KEY" \
-F "file=@/path/to/your/image.jpg" \
-v
```
**Response:**
```json
{
"id": "file_xyz789",
"url": "...",
"filename": "image.jpg",
"size": 1048576,
"content_type": "image/jpeg",
"created_at": "2026-02-27T10:00:00Z"
}
```
## Configuration
### Environment Variables
```bash
export MONET_API_KEY="monet_xxx"
```
### Authentication
All API requests require authentication via the `Authorization` header:
```
Authorization: Bearer monet_xxx
```
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