Nano Banana 2 Edit API
Pricing — per image, in tokens (USD at $0.02/token):
| image_size | tokens | USD |
|---|---|---|
| 0.5k | 3 | $0.060 |
| 1k | 3.3 | $0.066 |
| 2k | 5 | $0.100 |
| 4k | 7.5 | $0.150 |
Returns an img_uuid; poll GET /api/v1/jobs/detail (or use custom_callback_url) to get the generated image.
Headers
Body
Text prompt describing the image.
1 - 2000Reference images, e.g. [{"url": "https://..."}].
1 - 9 elementsAspect ratio.
auto, 1:1, 16:9, 9:16, 4:3, 3:4, 2:3, 3:2, 4:5, 5:4, 21:9, 1:4, 4:1, 1:8, 8:1 Output resolution. Pricing (tokens/image): 0.5k: 3, 1k: 3.3, 2k: 5, 4k: 7.5.
0.5k, 1k, 2k, 4k Enable web search grounding.
Reasoning depth.
High, Minimal Optional. A publicly accessible HTTPS URL. When the task status changes (processing / success / failed), GoEnhance sends a POST request to this URL. The request body is identical to the response of GET /api/v1/jobs/detail. If your server does not respond with HTTP 200, the notification is retried up to 3 times, with a 3-second timeout per attempt.
"https://your-server.com/goenhance/callback"
