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POST
/
vendors
/
google
/
v1
/
nano-banana-pro
/
generation
Text to Image Generation
curl --request POST \
  --url https://api.mulerun.com/vendors/google/v1/nano-banana-pro/generation \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "A beautiful sunset over the mountains",
  "aspect_ratio": "5:4",
  "resolution": "2K"
}
'
{
  "task_info": {
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "status": "pending",
    "created_at": "2025-09-21T00:00:00.000Z",
    "updated_at": "2025-09-21T00:00:00.000Z"
  }
}

Documentation Index

Fetch the complete documentation index at: https://mulerun.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

Beta
This model is currently in public testing. Not everyone has access, and API requests may also be unstable.

​
Overview

Generate ultra-sharp, cinematic frames from short text prompts using Google’s Gemini Nano Banana Pro model. Compared with the base Nano Banana release, the Pro tier unlocks:
  • Wider aspect ratios (from square up to 21:9 panoramic)
  • Higher fidelity presets (resolution up to 4K)
  • Better prompt adherence thanks to an upgraded vision-language alignment stack

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json

Text to image generation request body

​
prompt
string
required

Text prompt for image generation

​
aspect_ratio
enum<string>
default:1:1

Aspect ratio of the generated image

Available options:
1:1,
2:3,
3:2,
3:4,
4:3,
4:5,
5:4,
9:16,
16:9,
21:9
​
resolution
enum<string>
default:2K

Output resolution preset (longest side in pixels)

Available options:
1K,
2K

Response

202 - application/json

Task created successfully

​
task_info
object