Image Generation

Nano Banana 2 liteAPI

Gemini 2.5 Flash Image (codename "Nano Banana") is Google's fast, multimodal image generation and editing model. It delivers low-latency creative workflows, conversational multi-turn edits, character consistency, and image blending via Google AI Studio and Vertex AI.

Test in Dashboard View Docs ← All Tools

Three ways to use this tool

REST API

One POST request. Get the result back directly — as an image, video, or JSON depending on the tool.

terminal
curl -X POST https://apiai.me/api/workflow/nano-banana-2-lite \
     -H "X-API-Key: YOUR_API_KEY" \
     -F "image=@input.jpg" \
     -F "aspect_ratio=1:1" \
     -F "image_size=1K" \
     -F "max_output_tokens=VALUE" \
     -F "negative_prompt=VALUE" \
     -F "number_of_images=4" \
     -F "person_generation=dont_allow" \
     -F "PROMPT=VALUE" \
     -F "safety_filter_level=BLOCK_ONLY_HIGH" \
     -F "temperature=1" \
     -F "top_k=64" \
     -F "top_p=0.95"
     --output result.png

Dashboard Playground

Test this tool visually before writing any code. Upload an image, set parameters, and see the result live. When it looks right, copy the auto-generated curl command and paste it into your app.

  1. Open the dashboard → API Toolbox
  2. Find Nano Banana 2 lite and click it
  3. Upload your input and adjust parameters
  4. Copy the curl command and ship
Open Dashboard →

Batch Processing

Process hundreds of images at once without writing a loop. Upload a CSV with one row per item, set your parameters, and download the results as a ZIP when they're done.

  1. Open the dashboard → Batches
  2. Select Nano Banana 2 lite
  3. Add your content and start the batch
  4. Download results ZIP when complete
Go to Batches →

Parameters

Name Type Required Description Default / Options
aspect_ratio string optional Aspect ratio of the generated image 1:13:44:39:1616:9
image_size string optional Output resolution. Nano Banana 2 (gemini-3.1-flash-image-preview): 512, 1K, 2K, 4K. Nano Banana Pro (gemini-3-pro-image-preview) and Imagen: 1K, 2K, 4K. Not supported by gemini-2.5-flash-image. 5121K2K4K
max_output_tokens string optional Maximum output tokens (up to 65,536) —
negative_prompt string optional Elements or styles to exclude from the generated image —
number_of_images string optional Number of images to generate (1–4, API default is 4) 4
person_generation string optional Allow people in the generated image. Leave empty to use the API's region default. EU/UK/CH/MENA reject 'allow_all' (and may reject 'allow_adult' on newer Veo models). dont_allowallow_adultallow_all
PROMPT string required Text prompt for the Gemini model —
safety_filter_level string optional Content safety filter level BLOCK_LOW_AND_ABOVEBLOCK_MEDIUM_AND_ABOVEBLOCK_ONLY_HIGHBLOCK_NONE
temperature string optional Controls randomness (0 = deterministic, max 1) 1
top_k string optional Top-K sampling: number of highest probability tokens to consider (max 64) 64
top_p string optional Nucleus sampling: cumulative probability cutoff (0-1) 0.95

Ready to integrate?

Get an API key, test Nano Banana 2 lite in the dashboard, and copy the curl command.

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