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POST
/
api
/
generate
/
submit
curl --request POST \
  --url https://api.poyo.ai/api/generate/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "nano-banana-2",
  "callback_url": "https://your-domain.com/callback",
  "input": {
    "prompt": "A cyberpunk street scene with neon signs and rain",
    "size": "16:9",
    "resolution": "2K"
  }
}
'
{
  "code": 200,
  "data": {
    "task_id": "task-unified-1757165031-uyujaw3d",
    "status": "not_started",
    "created_time": "2025-11-12T10:30:00"
  }
}
  1. After submission, a task_id will be returned. If you provided a callback_url, when the task status becomes finished or failed, a POST request will be sent to the callback_url.
  2. Regardless of whether callback_url is provided, you can retrieve the response result through the unified Query Task Status endpoint.

​
Nano Banana Pro / Nano Banana 2 Image Generation

This page documents both the legacy nano-banana-2 models and the new nano-banana-pro models.
  • nano-banana-2 / nano-banana-2-edit: classic Nano Banana 2 models
  • nano-banana-pro / nano-banana-pro-edit: Nano Banana Pro models with output_format, enable_web_search, and size=auto

​
Available Models

  • nano-banana-2 - Text-to-image and image-to-image generation
  • nano-banana-2-edit - Advanced image editing capabilities
  • nano-banana-pro - Text-to-image generation with output_format, enable_web_search, and size=auto
  • nano-banana-pro-edit - Image editing with up to 14 reference images, output_format, enable_web_search, and size=auto

​
Nano Banana Pro Notes

  • size supports auto and defaults to auto
  • resolution supports 1K, 2K, 4K
  • output_format supports png and jpg
  • enable_web_search supports true / false

Authorizations

​
Authorization
string
header
required

All API endpoints require Bearer Token authentication

Get your API Key:

Visit the API Key Management Page to get your API Key

Add it to the request header:

Authorization: Bearer YOUR_API_KEY

Body

application/json
​
model
enum<string>
required

Nano Banana model identifier

Available options:
nano-banana-2,
nano-banana-2-edit,
nano-banana-pro,
nano-banana-pro-edit
​
callback_url
string<uri>

Webhook callback URL for result notifications

Example:

"https://your-domain.com/callback"

​
input
object

Input parameters for generation

Response

Task submitted successfully

​
code
integer
required

HTTP status code

Example:

200

​
data
object
required