Nano Banana · Image Generation

Image to Image

📌 What is this：Generate a new image from a reference image + text (e.g. restyle).

💡 When to use：Use to restyle or remix an existing image.

Endpoints

Usage	Method	Path
Submit task	POST	/api/cqt/generator/nano
Query result	GET	/api/cqt/info/nano?id={taskId}

⏱ Recommended polling interval：Poll every 5s until status = succeeded / failed.

Request Parameters

Param	Type	Required	Description
model	string	—	Same as above
prompt	string	Required	Image description
filesUrl	string[]	Required	Reference image URL(s)
numImages	integer	—	Number of images 1-4
aspectRatio	string	—	Output ratio

Request Example

curl -X POST https://api.cqtai.com/api/cqt/generator/nano \
  -H 'Authorization: Bearer <API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "nano-banana-pro",
    "prompt": "turn this into an oil painting",
    "filesUrl": ["https://example.com/input.jpg"],
    "aspectRatio": "16:9",
    "numImages": 2
  }'
# -> { "code":200, "data":"<taskId>" }

Response Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "id": "<taskId>",
    "status": "succeeded",
    "resultUrl": "https://.../result.png",
    "createTime": "2026-06-15 10:00:00",
    "completeTime": "2026-06-15 10:00:20"
  }
}

Billing & Credits

10 / 20 credits per image (by model); x count for multiple (x your user rate). Auto-refunded on failure.