Text to Image

Nano Banana 2.1

High-fidelity multimodal visual synthesis engine specialized in crisp on-image typography, legible signage, photorealistic rendering, and multi-image context.

$0.035/run Studio Model Popular New 54 runs
Nano Banana 2.1
Generation time: 0s

Your result will appear here

Configure parameters and press Run, or press Ctrl - ↵ Enter.

Run the model to see raw JSON response

API Endpoint

POST https://lumozai.com/api/v4/run

Use this endpoint to run the model with your parameters. Authentication is required using your API key.

Sample Code (PHP cURL)

<?php
// API endpoint URL
$apiUrl = 'https://lumozai.com/api/v4/run';

// Your API key
$apiKey = 'YOUR_API_KEY';

// Model parameters
$params = [
    'model_id' => 'nano-banana-21',
    'prompt' => '',
    'images[]' => 'https://example.com/image.jpg', // Example image URL
    'aspect_ratio' => '1:1',
    'resolution' => '1K',
    'output_format' => 'jpg',
];

// Initialize cURL session
$curl = curl_init();

// Set cURL options
curl_setopt_array($curl, [
    CURLOPT_URL => $apiUrl,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => $params,
    CURLOPT_HTTPHEADER => [
        'Accept: application/json',
        'Authorization: Bearer ' . $apiKey
    ]
]);

// Execute the request
$response = curl_exec($curl);
$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);

// Check for errors
if (curl_errno($curl)) {
    echo 'cURL Error: ' . curl_error($curl);
} else {
    // Process the response
    $result = json_decode($response, true);
    
    if ($httpCode == 200 && isset($result['success']) && $result['success']) {
        // Handle successful response
        echo "Model output: ";
        print_r($result['data']['output']);
    } else {
        // Handle error response
        echo "Error: " . ($result['message'] ?? 'Unknown error');
    }
}

// Close cURL session
curl_close($curl);

Request Parameters

Parameter Type Required Description
model_id string Required The ID of the model to run (nano-banana-21)
api_key string Required Your API key for authentication (sent via Bearer token in the Authorization header)
prompt string Required Text description of the image to generate. Put exact words or typography in quotes.
images array Optional Up to 14 reference images for multi-modal guidance, editing, or visual continuity.
aspect_ratio string Optional Aspect ratio of the generated image.
resolution string Optional Output resolution target.
output_format string Optional Format of the output image.

Response Format

{
    "success": true,
    "data": {
        "output": "https://lumozai.com/storage/outputs/image_12345.jpg"
    }
}

Model Pricing

Pay only for what you run. Charges are deducted directly from your account balance with zero recurring commitments.

Rate per generation
$ 0.035 / generation
$35.00 per 1,000 generations
Cost Estimator
1,000 generations
Estimated Total $35.00
Add Balance
Automatic instant refund if any run fails • Credits never expire