Nano Banana Pro

High-quality image generation with resolution options up to 4K

Features

Text-to-image generation
Image-to-image transformation
Multiple resolutions (1K/2K/4K)
Higher quality output

Pricing

Resolution	Credits
1K	8 (~$0.09)
2K	12 (~$0.13)
4K	16 (~$0.18)

Endpoint

POST/api/v1/images/generate

Parameters

Parameter	Type	Required	Description
model	string	Required	Must be "nano-banana-pro"
type	string	Optional	"text-to-image" or "image-to-image" (default: text-to-image)
prompt	string	Required	Text description of the image to generate
resolution	string	Optional	"1K", "2K", or "4K"
aspect_ratio	string	Optional	"1:1", "16:9", "9:16", "4:3", "3:4"
image_urls	string[]	Optional	Input image URLs or base64 for image-to-image. The active generation channel accepts up to 8 or 14 images.
input_image	string	Optional	Deprecated. Alias for image_urls[0]
num_images	number	Optional	Must be 1

Request Example (Text-to-Image)

{
  "model": "nano-banana-pro",
  "resolution": "2K",
  "prompt": "A majestic dragon flying over a medieval castle",
  "aspect_ratio": "16:9"
}

Request Example (Image-to-Image)

{
  "model": "nano-banana-pro",
  "type": "image-to-image",
  "resolution": "2K",
  "prompt": "Transform this photo into a Studio Ghibli anime style",
  "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"],
  "aspect_ratio": "16:9"
}

Response Example

{
  "success": true,
  "data": {
    "task_id": "task_xyz789",
    "credits_used": 12,
    "remaining_credits": 488,
    "model": "nano-banana-pro"
  }
}

Code Examples (Text-to-Image)

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-pro",
    "resolution": "2K",
    "prompt": "A majestic dragon flying over a medieval castle",
    "aspect_ratio": "16:9"
  }'

Code Examples (Image-to-Image)

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-pro",
    "type": "image-to-image",
    "resolution": "2K",
    "prompt": "Transform this photo into a Studio Ghibli anime style",
    "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"],
    "aspect_ratio": "16:9"
  }'

Resolution

Credits

8 (~$0.09)

12 (~$0.13)

16 (~$0.18)

Parameter

Type

Required

Description

model

string

Required

Must be "nano-banana-pro"

type

string

Optional

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

prompt

string

Required

Text description of the image to generate

resolution

string

Optional

"1K", "2K", or "4K"

aspect_ratio

string

Optional

"1:1", "16:9", "9:16", "4:3", "3:4"

image_urls

string[]

Optional

Input image URLs or base64 for image-to-image. The active generation channel accepts up to 8 or 14 images.

input_image

string

Optional

Deprecated. Alias for image_urls[0]

num_images

number

Optional

Must be 1

{ "model": "nano-banana-pro", "type": "image-to-image", "resolution": "2K", "prompt": "Transform this photo into a Studio Ghibli anime style", "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-pro", "type": "image-to-image", "resolution": "2K", "prompt": "Transform this photo into a Studio Ghibli anime style", "image_urls": ["https://tempfile.aiquickdraw.com/workers/nano/image_1772780968156_ygk0zm.png"], "aspect_ratio": "16:9" }'