Image GenerationNano Banana
Nano Banana Pro
Professional-grade image generation with accurate text rendering, advanced reasoning, and resolution up to 4K.
POST /v2/images/generate — model: "nano-banana-pro"
Professional-grade image generation built on Gemini 3 Pro. Creates detailed visuals with legible text in multiple languages, supports blending up to 14 reference images, and offers resolutions up to 4K.
See Image Generation overview for common request fields, response format, and error codes.
Model-specific parameters
| Parameter | Type | Description |
|---|---|---|
nanoBananaParams.aspect_ratio | string | "match_input_image" or "W:H" format (e.g. "16:9") |
nanoBananaParams.output_format | string | "jpg" (default), "png", or "webp" |
nanoBananaParams.image_input | string[] | Up to 14 reference image URLs |
nanoBananaParams.resolution | string | "512px", "1K", "2K" (default), or "4K" |
Credit cost
| Resolution | Credits |
|---|---|
| 512px / 1K / 2K | 10 |
| 4K | 20 |
Code examples
curl -X POST https://api.apiframe.ai/v2/images/generate \
-H "X-API-Key: afk_your_api_key_here" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A minimalist poster with the text HELLO WORLD in bold serif font",
"model": "nano-banana-pro",
"nanoBananaParams": {
"resolution": "2K",
"output_format": "png"
}
}'import requests
response = requests.post(
"https://api.apiframe.ai/v2/images/generate",
headers={
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
json={
"prompt": "A minimalist poster with the text HELLO WORLD in bold serif font",
"model": "nano-banana-pro",
"nanoBananaParams": {
"resolution": "2K",
"output_format": "png",
},
},
)
print(response.json())const response = await fetch("https://api.apiframe.ai/v2/images/generate", {
method: "POST",
headers: {
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
body: JSON.stringify({
prompt: "A minimalist poster with the text HELLO WORLD in bold serif font",
model: "nano-banana-pro",
nanoBananaParams: {
resolution: "2K",
output_format: "png",
},
}),
});
console.log(await response.json());Multi-image blending
curl -X POST https://api.apiframe.ai/v2/images/generate \
-H "X-API-Key: afk_your_api_key_here" \
-H "Content-Type: application/json" \
-d '{
"prompt": "Place this product in a modern kitchen setting",
"model": "nano-banana-pro",
"nanoBananaParams": {
"image_input": ["https://example.com/product.jpg", "https://example.com/kitchen.jpg"],
"resolution": "4K"
}
}'response = requests.post(
"https://api.apiframe.ai/v2/images/generate",
headers={
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
json={
"prompt": "Place this product in a modern kitchen setting",
"model": "nano-banana-pro",
"nanoBananaParams": {
"image_input": ["https://example.com/product.jpg", "https://example.com/kitchen.jpg"],
"resolution": "4K",
},
},
)const response = await fetch("https://api.apiframe.ai/v2/images/generate", {
method: "POST",
headers: {
"X-API-Key": "afk_your_api_key_here",
"Content-Type": "application/json",
},
body: JSON.stringify({
prompt: "Place this product in a modern kitchen setting",
model: "nano-banana-pro",
nanoBananaParams: {
image_input: ["https://example.com/product.jpg", "https://example.com/kitchen.jpg"],
resolution: "4K",
},
}),
});Try it
POST
/v2/images/generateTry it