Nano Banana Pro

nano-banana-pro-text-to-image

post

Nano Banana Pro (a.k.a Nano Banana 2) is Google's new state-of-the-art image generation and editing model

Header parameters

AuthorizationstringRequiredExample: sk-mx9BKfE

Body

application/json

modelstringRequired

model is the model name

Example: nano-banana-pro-text-to-image

promptstringRequired

The text prompt to generate an image from.

Example: A cute baby sea otter.

sizestring · enumOptional

The aspect ratio of the generated image. Default value: "1:1"

Possible enum values: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16

Default: 1:1Example: 1:1Possible values:

resolutionstring · enumOptional

The resolution of the image to generate. Default value: "1K"

Possible enum values: 1K, 2K, 4K

Default: 1KExample: 1KPossible values:

enable_web_searchbooleanOptional

Enable web search for the image generation task. This will allow the model to use the latest information from the web to generate the image.

ninteger · enumOptional

The number of images to generate. Default value: 1

Default: 1Example: 1Possible values:

output_formatstring · enumOptional

output_format indicate the output format, default value is url.

Default: urlExample: urlPossible values:

Responses

200Success

application/json

post

/v1/images/generations

HTTPcURLJavaScriptPython

POST /v1/images/generations HTTP/1.1
Host: image.onerouter.pro
Authorization: text
Content-Type: application/json
Accept: */*
Content-Length: 160

{
  "model": "nano-banana-pro-text-to-image",
  "prompt": "A cute baby sea otter.",
  "size": "1:1",
  "resolution": "1K",
  "enable_web_search": false,
  "n": 1,
  "output_format": "url"
}

200Success

{
  "created": 1765366958,
  "data": [
    {
      "b64_json": "",
      "revised_prompt": "",
      "url": "https://resource.onerouter.pro/image/generated%2Fonerouter_85f1c0c9-869a-44d7-83e8-dd22342f9935.png"
    }
  ],
  "request_id": "7fd6a9a5eea94be381206f0fe6f55f66"
}