Nano Banana Pro

Google Nano Banana Pro – higher quality step-up from Nano Banana. Better detail and prompt adherence at moderate cost.

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Imagegoogle/nano-banana-pro$0.1300 / image

Base URL

https://api.zekron.tech/api/v1

Supported modes

text-to-imageimage-to-image

Parameters

Pass these inside the input object when creating a task.

Field	Required
prompt	required
aspect_ratio	optional
image_url	optional
seed	optional
width	optional
height	optional
count	optional

promptrequired

aspect_ratiooptional

image_urloptional

seedoptional

widthoptional

heightoptional

countoptional

Example request

bash

curl -X POST https://api.zekron.tech/api/v1/tasks \
  -H "Authorization: Bearer zk_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "google/nano-banana-pro",
  "input": {
    "prompt": "a cinematic shot of a lighthouse at golden hour",
    "aspect_ratio": "16:9",
    "width": 1024,
    "height": 1024,
    "seed": 42,
    "count": 1
  }
}'

Example response

json

{
  "id": "zk_task_8f3a2b1c9d",
  "model": "google/nano-banana-pro",
  "status": "processing",
  "created_at": "2026-06-10T12:00:00Z"
}

Poll GET https://api.zekron.tech/api/v1/tasks/{id} until status is success or failed.

Pricing

This model is billed at $0.1300 / image. You are only charged for successful generations — failed tasks are never billed. Generated outputs are retained for 30 days before they expire.