NanoBanana 2

Enhanced quality model with resolution control. The recommended choice for most production use cases, offering a great balance between quality and cost.

Model ID

nano-banana-2

Resolutions

1K · 2K · 4K

Cost range

40–90 credits

Credit costs

Resolution	Credits	USD equiv.
1K	40	$0.04
2K	60	$0.06
4K	90	$0.09

Additional parameters

resolutionstring

"1K" | "2K" | "4K" — controls output size. Defaults to "1K".

aspect_ratiostring

"1:1" | "16:9" | "9:16" | "4:3" | "3:4". Defaults to "1:1".

promptstring

Up to 2,000 characters. Highly detailed prompts dramatically improve output quality.

cURL request

bash

curl -X POST https://api.apinanobanana.com/v1/images/generate \
  -H "Authorization: Bearer nb_sk_sua_chave_aqui" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nano-banana-2",
    "prompt": "Professional product photography of a sneaker",
    "resolution": "4K",
    "aspect_ratio": "1:1"
  }'

Request body

json

{
  "model": "nano-banana-2",
  "prompt": "Professional product photography of a sneaker on white background, studio lighting",
  "resolution": "4K",
  "aspect_ratio": "1:1"
}

Response · 200 OK

json

{
  "id": "gen_b2c3d4e5",
  "model": "nano-banana-2",
  "image_url": "https://storage.apinanobanana.com/user123/4K_1712678400000.png",
  "credits_used": 90,
  "credits_remaining": 910,
  "created_at": "2026-04-09T17:00:00Z"
}

cURL request

bash

curl -X POST https://api.apinanobanana.com/v1/images/generate \
  -H "Authorization: Bearer nb_sk_sua_chave_aqui" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nano-banana-2",
    "prompt": "Professional product photography of a sneaker",
    "resolution": "4K",
    "aspect_ratio": "1:1"
  }'

Request body

json

{
  "model": "nano-banana-2",
  "prompt": "Professional product photography of a sneaker on white background, studio lighting",
  "resolution": "4K",
  "aspect_ratio": "1:1"
}

Response · 200 OK

json

{
  "id": "gen_b2c3d4e5",
  "model": "nano-banana-2",
  "image_url": "https://storage.apinanobanana.com/user123/4K_1712678400000.png",
  "credits_used": 90,
  "credits_remaining": 910,
  "created_at": "2026-04-09T17:00:00Z"
}