Image

Nano Banana 2 Lite API

Nano Banana 2 Lite API gives you Google's Gemini 3.1 Flash Lite Image on APIMart for low-latency, cost-effective 1K image generation and editing, with up to 14 reference images, on the official nano-banana-2-lite or nano-banana-2-lite-ext route.

Image GenerationImage Editing1K OutputCommercial use

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Service Highlights

Official Discounts
Pay-as-you-go
Fast & Low Latency

Input

Model

Prompt

67 characters

Size

Number of Images

Content Moderation

Reference Image

Output

Image link valid for 72 hours

Nano Banana 2 Lite API Pricing

Transparent pricing with no hidden fees. Pay only for what you use.

Variant	GoldCurrent price	Platinum	Diamond	Official	Your savings
`nano-banana-2-lite` Prices are estimates; actual cost is billed by token usage.	0.32Credits(~$0.032)/pic	0.304Credits(~$0.0304)/pic	0.288Credits(~$0.0288)/pic	0.4Credits(~$0.04)/pic	20%

* Actual costs are subject to final output.

Google Nano Banana 2 Lite API (Gemini 3.1 Flash Lite Image) on APIMart

Google built Nano Banana 2 Lite for ultra-low latency and cost-effective image generation and editing. Create 1K images in 10 aspect ratios, edit with up to 14 reference images and get results by polling or webhook. Affordable pay-as-you-go billing with up to 28% off for members.

Get API Key

50K+

Active Users

99.9%

Uptime

Faster

70%

Cost Savings

Key Features of the Nano Banana 2 Lite API

What Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) can do through one APIMart endpoint

Nano Banana 2 Lite Text to Image API

Describe the image in a prompt and Nano Banana 2 Lite returns a generated image from the same POST /v1/images/generations endpoint used for editing.

Image to Image with the Gemini 3.1 Flash Lite Image API

Add image_urls and Nano Banana 2 Lite edits or blends up to 14 reference images, ideally up to 10 objects and 4 characters. Public URLs and base64 data URIs are accepted, up to 10 MB each.

1K Output from the Nano Banana 2 Lite Model

Nano Banana 2 Lite outputs 1K images. Requests for 2K, 4K or 0.5K are generated at 1K, so choose Nano Banana 2 when you need higher resolutions.

10 Aspect Ratios plus Auto in the NanoBanana 2 Lite API

Nano Banana 2 Lite accepts size 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 5:4, 4:5 or 21:9, or auto. For Nano Banana 2 Lite image editing, set the ratio explicitly.

Ultra-Low Latency with Google Nano Banana 2 Lite

Google optimized Nano Banana 2 Lite for ultra-low latency and cost-effective generation, which suits drafts, in-app images and high-volume pipelines.

Webhook Callbacks for the Nano-Banana-2-Lite API

Pass a webhook URL and Nano Banana 2 Lite calls webhook + /callback when the task succeeds or fails, so you can poll less. Keep polling as a fallback.

Official and Ext Routes for the Nano Banana 2 Lite API

Call Nano Banana 2 Lite through the official gemini-3.1-flash-lite-image (alias nano-banana-2-lite) or gemini-3.1-flash-lite-image-ext (alias nano-banana-2-lite-ext). Both Nano Banana 2 Lite routes accept the same parameters.

Nano Banana 2 Lite API Pricing: Official and Ext

The official route is billed by actual input and output token usage; Ext is billed per successfully generated image. The pricing table on this page lists both routes. Gold members save 20%; Platinum and Diamond members save up to 28%.

What You Can Build with the Nano Banana 2 Lite AI Image Generator

Real-world Nano Banana 2 Lite applications on APIMart

Fast Drafts and Visual Exploration with Nano Banana 2 Lite

Try many compositions, styles and prompts quickly at 1K with Nano Banana 2 Lite before you render final assets with a higher-resolution Nano Banana model.

In-App Images with the Nano Banana 2 Lite API

Use Nano Banana 2 Lite to generate avatars, stickers, cards and illustrations inside your app, where low latency matters more than 4K detail.

Agent-Generated Slides and Web Pages with Gemini 3.1 Flash Lite Image

Let AI agents create images for slides, reports and landing pages on the fly with Nano Banana 2 Lite.

Photo Effects and Simple Edits

Apply style changes, background swaps and simple edits to user photos with Nano Banana 2 Lite and reference images.

Product Catalog Variations with Nano Banana 2 Lite

Create quick Nano Banana 2 Lite product variations and lifestyle drafts for catalogs and marketplace tests with consistent objects.

Storyboard Thumbnails

Sketch scene thumbnails with Nano Banana 2 Lite and keep characters consistent with reference images while planning a story.

How to Get a Nano Banana 2 Lite API Key and Start Building

Follow these simple steps to set up your account, add funds, and start generating images

Create an APIMart Account

Create your free APIMart account to access Nano Banana 2 Lite. It works for individuals, teams and enterprise applications.

→

Add Funds (Pay As You Go)

Top up your account balance to start generating images. Your balance works across every model on APIMart, including Nano Banana 2 Lite.

→

Get Your Nano Banana 2 Lite API Key

Create an API key in the dashboard to authenticate every Nano Banana 2 Lite API request, then call Nano Banana 2 Lite with the sample code below.

Get API Key

Nano Banana 2 Lite API Example: Text to Image and Image to Image

Call Google Nano Banana 2 Lite on APIMart with one POST request. Nano Banana 2 Lite generation is asynchronous: submit a task, then poll the task endpoint or use a webhook to get the image URL.

1
Authenticate Nano Banana 2 Lite API requests
Save the key you created above in the APIMART_API_KEY environment variable and send it as Authorization: Bearer <key> on every request.
2
Submit a Nano Banana 2 Lite task
POST /v1/images/generations with the Nano Banana 2 Lite model, your prompt and size. Add image_urls to edit images. The response returns a task_id.
3
Get the Nano Banana 2 Lite result
Send GET /v1/tasks/{task_id} until the Nano Banana 2 Lite task is completed, then read the image URL from data.result.images[0].url[0], or receive it on your webhook. Download images you want to keep. A failed task returns the reason in error.message.
See the Nano Banana 2 Lite API documentation for every parameter and response field.

POST /v1/images/generations

curl -X POST https://api.apimart.ai/v1/images/generations \
  -H "Authorization: Bearer $APIMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-lite-image",
    "prompt": "A cheerful orange robot mascot waving, flat illustration on a pale blue background",
    "n": 1,
    "size": "16:9"
  }'

import os
import time
import requests

API_BASE = "https://api.apimart.ai"
headers = {"Authorization": f"Bearer {os.environ['APIMART_API_KEY']}"}

# 1. Submit the generation task
payload = {
  "model": "gemini-3.1-flash-lite-image",
  "prompt": "A cheerful orange robot mascot waving, flat illustration on a pale blue background",
  "n": 1,
  "size": "16:9"
}
resp = requests.post(f"{API_BASE}/v1/images/generations", headers=headers, json=payload, timeout=60)
resp.raise_for_status()
task_id = resp.json()["data"][0]["task_id"]

# 2. Poll the task until it finishes
for _ in range(200):
    task_resp = requests.get(f"{API_BASE}/v1/tasks/{task_id}", headers=headers, timeout=30)
    task_resp.raise_for_status()
    task = task_resp.json()["data"]
    if task["status"] == "completed":
        print(task["result"]["images"][0]["url"][0])
        break
    if task["status"] == "failed":
        raise RuntimeError(task.get("error", {}).get("message", "generation failed"))
    time.sleep(3)
else:
    raise TimeoutError(f"task {task_id} did not finish in time")

curl -X POST https://api.apimart.ai/v1/images/generations \
  -H "Authorization: Bearer $APIMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-lite-image",
    "prompt": "Place the product from this photo on a marble kitchen counter in soft morning light and keep the label unchanged",
    "n": 1,
    "size": "1:1",
    "image_urls": [
      "https://example.com/product.jpg"
    ]
  }'

TASK_ID="task_xxx"  # replace with the task_id returned by the POST request
curl "https://api.apimart.ai/v1/tasks/$TASK_ID" \
  -H "Authorization: Bearer $APIMART_API_KEY"

Nano Banana 2 Lite API Parameters

Parameter	Type	Required	Default	Description
`model`	string	Required	Default: gemini-3.1-flash-lite-image	Official gemini-3.1-flash-lite-image (alias nano-banana-2-lite) or gemini-3.1-flash-lite-image-ext (alias nano-banana-2-lite-ext).
`prompt`	string	Required	Default: —	Text description of the image or the edit.
`size`	string	Optional	Default: —	auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 5:4, 4:5 or 21:9. For text to image, auto resolves to 1:1 or 16:9; for image editing, set it explicitly.
`resolution`	string	Optional	Default: 1K	Only 1K is supported. Other values are generated at 1K.
`n`	integer	Optional	Default: 1	Number of images, sent as a number, not a string; 1 is recommended.
`image_urls`	array	Optional	Default: —	Up to 14 reference images (ideally up to 10 objects and 4 characters) as public http(s) URLs or full data URIs. JPEG, PNG or WebP, max 10 MB each.
`nsfw_check`	boolean	Optional	Default: false	Moderate the prompt and input images with omni-moderation-latest before submission.
`webhook`	string	Optional	Default: —	Callback base URL. When the task succeeds or fails, APIMart calls webhook + /callback. Keep polling as a fallback.

Nano Banana 2 Family User Reviews

What industry professionals say about the Nano Banana 2 family. These reviews describe the standard model; Lite supports 1K only.

“The speed of Nano Banana 2 is incredible! It handles our product images quickly, and keeping the same product consistent across scenes saves us a lot of reshoots.”

Sarah Chen

Architecture Firm Director

“Fast processing at a price that works for high volume - a game changer for our pipeline. Nano Banana 2 keeps our references consistent, which saves hours of manual fixes.”

James Rodriguez

Creative Technology Lead

“We mock up app screens and marketing visuals with Nano Banana 2, and the text in the UI comes out legible. It has noticeably sped up our design reviews.”

Alex Thompson

Mobile App Product Manager

“Nano Banana 2 delivers incredible value. It is fast while maintaining professional quality, which makes it a good fit for high-volume image generation.”

Emily Watson

Luxury Brand Marketing Director

“Professional storyboarding at AI speed. Nano Banana 2's character consistency makes it perfect for pre-visualization, and the pricing works for production workflows.”

David Kim

Film Production Creative Director

“Legible text rendering is perfect for our brand guidelines, and using reference images keeps our assets on brand across a whole campaign.”

Lisa Martinez

Enterprise Brand Designer

Nano Banana API Model Family

Compare every Nano Banana model on APIMart. One API key calls all of them, billed per image.

Model	Base model	Best for	Resolution
Nano Banana API	Gemini 2.5 Flash Image	Character consistency, multi-image blending and prompt-based edits	1K
Nano Banana Pro API	Gemini 3 Pro Image	Professional 4K images, legible multilingual text and consistency for up to 5 people	1K / 2K / 4K
Nano Banana 2 API	Gemini 3.1 Flash Image	Fast, cost-efficient generation from 0.5K to 4K	0.5K – 4K
Nano Banana 2 Lite APIThis page	Gemini 3.1 Flash Lite Image	Fast 1K images and editing, one image per request with up to 14 reference images	1K
Gemini Nano Banana 2.1 API	Gemini Nano Banana 2.1	Latest version: text-to-image and reference-image editing in 14 aspect ratios	1K / 2K / 4K

Nano Banana 2 Lite API FAQ

Everything you need to know about Nano Banana 2 Lite on APIMart

What is Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

Nano Banana 2 Lite is Google's Gemini 3.1 Flash Lite Image, the lightest model in the Nano Banana 2 family, optimized for ultra-low latency and cost-effective image generation and editing. It outputs 1K images, accepts up to 14 reference images and is also written Nano Banana Lite or Nano Banana Lite 2 (Nano Banana Lite API). On APIMart you call it as the Nano Banana 2 Lite API with one API key.

When was Nano Banana 2 Lite released?

Google released Nano Banana 2 Lite (gemini-3.1-flash-lite-image) to general availability on June 30, 2026, and the Nano Banana 2 Lite API is available on APIMart.

What parameters does the Nano Banana 2 Lite API support?

Nano Banana 2 Lite API requests need model and prompt. Optional parameters are size (auto or 10 aspect ratios), resolution (1K), n (default 1), image_urls (up to 14 reference images), nsfw_check and webhook. Google Search grounding, official_fallback and mask editing are not supported.

Can the Nano Banana 2 Lite Edit API do image to image?

Yes. Add image_urls to the same POST /v1/images/generations request and describe the edit in the prompt. You can send up to 14 images as public URLs or base64 data URIs in JPEG, PNG or WebP up to 10 MB each, and Nano Banana 2 Lite returns the edited image.

Nano Banana 2 Lite vs Nano Banana 2: what is the difference?

Nano Banana 2 Lite is the lighter, lower-latency model and outputs 1K images only. Nano Banana 2 (Gemini 3.1 Flash Image) adds 0.5K, 2K and 4K output, extreme aspect ratios (1:4, 4:1, 1:8, 8:1) and Google Search grounding. Choose Lite for fast, high-volume 1K images and Nano Banana 2 for higher resolutions. For Lite models and their prices, use this page.

What is the difference between the official and Ext Nano Banana 2 Lite API?

nano-banana-2-lite (gemini-3.1-flash-lite-image) is the official route and nano-banana-2-lite-ext (gemini-3.1-flash-lite-image-ext) is the Ext route. Both Nano Banana 2 Lite routes accept the same parameters and limits, and they are priced separately in the table above. The official route is billed by actual input and output token usage; Ext is billed per successfully generated image.

What resolutions and aspect ratios does Nano Banana 2 Lite support?

Nano Banana 2 Lite outputs 1K images. Supported Nano Banana 2 Lite sizes are auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 5:4, 4:5 and 21:9. For text to image, auto resolves to 1:1 or 16:9; for edits, set the ratio explicitly.

Nano Banana 2 Lite pricing: how much does the API cost per image?

The Nano Banana 2 Lite price depends on the route: the official route is settled on actual input and output token usage, while Ext is billed per successfully generated image at the rate for the selected specification. An estimated price per image for the official route is not a fixed final charge. Check this page's live pricing table for current rates and the completed task's cost for the final amount. Gold members save 20%; Platinum and Diamond members save up to 28%.

Is the Nano Banana 2 Lite API free?

No. The Nano Banana 2 Lite API has no free quota on APIMart. It is pay-as-you-go, with billing determined by the selected route, and you only pay for successful requests. Gold members save 20%; Platinum and Diamond members save up to 28%.

How do I get a Nano Banana 2 Lite API key?

Sign up for APIMart, open the API Keys page in your dashboard and create a key. The same key calls the Google Nano Banana 2 Lite API and every other model on the platform, with pay-as-you-go billing and no subscription.

How do I use the Nano Banana 2 Lite API, and where are the docs?

Send POST https://api.apimart.ai/v1/images/generations with your API key, model gemini-3.1-flash-lite-image and your prompt. The response returns a task_id: poll GET /v1/tasks/{task_id} until status is completed, or pass a webhook URL. Copy-ready cURL and Python examples are on this page, and the Nano Banana 2 Lite API docs are at docs.apimart.ai.

Can I use Nano Banana 2 Lite for commercial projects?

Yes. Images you create with the Nano Banana 2 Lite API can be used commercially for apps, marketing drafts, e-commerce and content workflows, which suits teams that need many images quickly.

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View All Models →

Nano Banana 2 Lite API FAQ

Everything you need to know about Nano Banana 2 Lite on APIMart

What is Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

When was Nano Banana 2 Lite released?

Google released Nano Banana 2 Lite (gemini-3.1-flash-lite-image) to general availability on June 30, 2026, and the Nano Banana 2 Lite API is available on APIMart.

What parameters does the Nano Banana 2 Lite API support?

Can the Nano Banana 2 Lite Edit API do image to image?

Nano Banana 2 Lite vs Nano Banana 2: what is the difference?

What is the difference between the official and Ext Nano Banana 2 Lite API?

What resolutions and aspect ratios does Nano Banana 2 Lite support?

Nano Banana 2 Lite pricing: how much does the API cost per image?

Is the Nano Banana 2 Lite API free?

How do I get a Nano Banana 2 Lite API key?

How do I use the Nano Banana 2 Lite API, and where are the docs?

Can I use Nano Banana 2 Lite for commercial projects?

Yes. Images you create with the Nano Banana 2 Lite API can be used commercially for apps, marketing drafts, e-commerce and content workflows, which suits teams that need many images quickly.

Nano Banana 2 Lite API

Nano Banana 2 Lite API Pricing

Google Nano Banana 2 Lite API (Gemini 3.1 Flash Lite Image) on APIMart

Key Features of the Nano Banana 2 Lite API

What You Can Build with the Nano Banana 2 Lite AI Image Generator

How to Get a Nano Banana 2 Lite API Key and Start Building

Create an APIMart Account

Add Funds (Pay As You Go)

Get Your Nano Banana 2 Lite API Key

Nano Banana 2 Lite API Example: Text to Image and Image to Image

Authenticate Nano Banana 2 Lite API requests

Submit a Nano Banana 2 Lite task

Get the Nano Banana 2 Lite result

Nano Banana 2 Lite API Parameters

Nano Banana 2 Family User Reviews

Nano Banana API Model Family

Nano Banana 2 Lite API FAQ

What is Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

When was Nano Banana 2 Lite released?

What parameters does the Nano Banana 2 Lite API support?

Can the Nano Banana 2 Lite Edit API do image to image?

Nano Banana 2 Lite vs Nano Banana 2: what is the difference?

What is the difference between the official and Ext Nano Banana 2 Lite API?

What resolutions and aspect ratios does Nano Banana 2 Lite support?

Nano Banana 2 Lite pricing: how much does the API cost per image?

Is the Nano Banana 2 Lite API free?

How do I get a Nano Banana 2 Lite API key?

How do I use the Nano Banana 2 Lite API, and where are the docs?

Can I use Nano Banana 2 Lite for commercial projects?

Related Models

Key Features of the Nano Banana 2 Lite API

What You Can Build with the Nano Banana 2 Lite AI Image Generator

How to Get a Nano Banana 2 Lite API Key and Start Building

Create an APIMart Account

Add Funds (Pay As You Go)

Get Your Nano Banana 2 Lite API Key

Nano Banana 2 Family User Reviews

Nano Banana 2 Lite API FAQ

What is Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

When was Nano Banana 2 Lite released?

What parameters does the Nano Banana 2 Lite API support?

Can the Nano Banana 2 Lite Edit API do image to image?

Nano Banana 2 Lite vs Nano Banana 2: what is the difference?

What is the difference between the official and Ext Nano Banana 2 Lite API?

What resolutions and aspect ratios does Nano Banana 2 Lite support?

Nano Banana 2 Lite pricing: how much does the API cost per image?

Is the Nano Banana 2 Lite API free?

How do I get a Nano Banana 2 Lite API key?

How do I use the Nano Banana 2 Lite API, and where are the docs?

Can I use Nano Banana 2 Lite for commercial projects?

Related Models