Nano Banana 2 Lite

Fast image generation and editing with long prompts, automatic aspect ratio, and up to 10 reference images

功能特性

Text-to-image generation
Image-to-image editing
Up to 10 reference images
Prompts up to 20,000 characters
Automatic and extreme aspect ratios

定价

Mode	Credits
Fixed 1K output	6 (~$0.07)

端点

POST/api/v1/images/generate

参数

参数	类型	必需	描述
model	string	必需	Must be "nano-banana-2-lite"
type	string	可选	"text-to-image" or "image-to-image" (default: text-to-image)
prompt	string	必需	Text description of the image to generate. Supports 3 to 20,000 characters.
aspect_ratio	string	可选	"auto", "1:1", "1:4", "1:8", "2:3", "3:2", "3:4", "4:1", "4:3", "4:5", "5:4", "8:1", "9:16", "16:9", or "21:9" (default: auto)
image_urls	string[]	可选	Input image URLs for image-to-image. Supports up to 10 JPEG, PNG, or WebP images, 30MB each.
input_image	string	可选	Deprecated. Alias for image_urls[0]
num_images	number	可选	Must be 1

请求示例（文生图）

{
  "model": "nano-banana-2-lite",
  "prompt": "A clean product photo of a translucent wireless speaker on a marble table, soft daylight, crisp details",
  "aspect_ratio": "auto"
}

请求示例（图生图）

{
  "model": "nano-banana-2-lite",
  "type": "image-to-image",
  "prompt": "Keep the product shape and materials, change the scene into a bright minimalist studio campaign image",
  "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"],
  "aspect_ratio": "16:9"
}

响应示例

{
  "success": true,
  "data": {
    "task_id": "task_nb2_lite_abc123",
    "credits_used": 6,
    "remaining_credits": 494,
    "model": "nano-banana-2-lite"
  }
}

代码示例（文生图）

curl -X POST https://gateway.bananapro.site/api/v1/images/generate \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nano-banana-2-lite",
    "prompt": "A clean product photo of a translucent wireless speaker on a marble table, soft daylight, crisp details",
    "aspect_ratio": "auto"
  }'

代码示例（图生图）

curl -X POST https://gateway.bananapro.site/api/v1/images/generate \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nano-banana-2-lite",
    "type": "image-to-image",
    "prompt": "Keep the product shape and materials, change the scene into a bright minimalist studio campaign image",
    "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"],
    "aspect_ratio": "16:9"
  }'

Mode

Credits

Fixed 1K output

6 (~$0.07)

参数

类型

必需

描述

model

string

必需

Must be "nano-banana-2-lite"

type

string

可选

"text-to-image" or "image-to-image" (default: text-to-image)

prompt

string

必需

Text description of the image to generate. Supports 3 to 20,000 characters.

aspect_ratio

string

可选

"auto", "1:1", "1:4", "1:8", "2:3", "3:2", "3:4", "4:1", "4:3", "4:5", "5:4", "8:1", "9:16", "16:9", or "21:9" (default: auto)

image_urls

string[]

可选

Input image URLs for image-to-image. Supports up to 10 JPEG, PNG, or WebP images, 30MB each.

input_image

string

可选

Deprecated. Alias for image_urls[0]

num_images

number

可选

Must be 1

{ "model": "nano-banana-2-lite", "type": "image-to-image", "prompt": "Keep the product shape and materials, change the scene into a bright minimalist studio campaign image", "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"], "aspect_ratio": "16:9" }

curl -X POST https://gateway.bananapro.site/api/v1/images/generate \ -H "Authorization: Bearer sk-your-api-key" \ -H "Content-Type: application/json" \ -d '{ "model": "nano-banana-2-lite", "prompt": "A clean product photo of a translucent wireless speaker on a marble table, soft daylight, crisp details", "aspect_ratio": "auto" }'

curl -X POST https://gateway.bananapro.site/api/v1/images/generate \ -H "Authorization: Bearer sk-your-api-key" \ -H "Content-Type: application/json" \ -d '{ "model": "nano-banana-2-lite", "type": "image-to-image", "prompt": "Keep the product shape and materials, change the scene into a bright minimalist studio campaign image", "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"], "aspect_ratio": "16:9" }'