Nano Banana Pro Image Generation

Generate or edit images with multilingual text rendering, structured layouts, and multiple visual references.

Provider

Google

Model ID

nano-banana-pro

Endpoint

POST /v1/generations

Open model playground Create API key

Model notes

Use reference_images only when the source URLs are publicly reachable.
The size tier changes the billed API price.

Request parameters

Parameter	Type	Required	Description
`model`	string	Yes	Stable PixMind model ID. Use `nano-banana-pro`. Allowed values: `nano-banana-pro`
`prompt`	string	Yes	Natural-language generation or editing instructions.
`size`	string	No	Output resolution tier. This field affects request pricing. Allowed values: `1K`, `2K`, `4K` Default: `1K`
`aspect_ratio`	string	No	Requested output aspect ratio. Allowed values: `1:1`, `16:9`, `9:16`, `4:3`, `3:4` Default: `1:1`
`reference_images`	string[] (URI)	No	Reference image URLs used for editing, composition, subject, or style guidance.
`callback_url`	string (URI)	No	HTTPS endpoint that receives the terminal task event. Polling remains available when omitted.

Request example

cURL

curl https://aihub-admin.aimix.pro/v1/generations \
  -H "Authorization: Bearer $PIXMIND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "nano-banana-pro",
  "prompt": "A multilingual product poster with clean information hierarchy",
  "size": "2K",
  "aspect_ratio": "4:3",
  "reference_images": [
    "https://example.com/product.jpg"
  ]
}'

JavaScript

const response = await fetch("https://aihub-admin.aimix.pro/v1/generations", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.PIXMIND_API_KEY}`,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
  "model": "nano-banana-pro",
  "prompt": "A multilingual product poster with clean information hierarchy",
  "size": "2K",
  "aspect_ratio": "4:3",
  "reference_images": [
    "https://example.com/product.jpg"
  ]
})
});

const task = await response.json();

Accepted task response

Generation is asynchronous. Save the id from the response and poll GET /v1/generations/{id} until it reaches a terminal status.

202 Accepted

{
  "id": "img_01JXYZ...",
  "model": "nano-banana-pro",
  "status": "processing"
}

API pricing

Configuration	Price
1K output	$0.120 / image
2K output	$0.160 / image
4K output	$0.240 / image

API pricing uses the apiPlatform role and is separate from PixMind Studio credits. The accepted task response is the final pricing snapshot.