Text to Image

nano-banana-2

Draft model pending operator verification

Commercial useAsync APIfrom 6 Credits

API reference

Submit this model to the capability endpoint, then poll the returned job until it is terminal. Only the parameters below are accepted.

POST /v1/images/generations

Required headers

Authorization: Bearer $ARTANY_API_KEY
Content-Type: application/json
Idempotency-Key: unique-request-id

Use a new 8–128 character Idempotency-Key for each logical generation. Retrying the same request with the same key will not double-charge.

Request body

{
  "model": "nano-banana-2",
  "prompt": "A small blue paper kite",
  "size": "auto",
  "resolution": "1K",
  "count": 1
}

Parameters

Field	Type	Required	Description	Default	Constraints
model	string	Yes	Stable Artany public model ID.	nano-banana-2	This exact public model ID.
size	string	No	Requested output image aspect ratio or canvas size. Available values are model-specific.	"auto"	Allowed: auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 5:4, 4:5, 21:9, 1:4, 4:1, 1:8, 8:1
count	integer	No	Number of images to generate in one request. The model-specific maximum is enforced.	1	Range: 1–1
prompt	string	Yes	Natural-language instruction describing the desired image or video. Include subject, setting, composition, motion, lighting, and style as needed.	—	Length: 1–12000
image_urls	array	No	Public image URLs or supported image data used as source or reference images.	—	Items: 0–14
resolution	string	No	Requested output quality tier. Available values are model-specific and can affect price.	"1K"	Allowed: 0.5K, 1K, 2K, 4K

Accepted response

The submit endpoint returns HTTP 202 with a normalized job. Poll GET /v1/jobs/{jobId} until the status is terminal.

{
  "id": "job_…",
  "object": "generation.job",
  "model": "nano-banana-2",
  "status": "queued",
  "progress": 0,
  "output": null,
  "error": null,
  "billing": {
    "estimated_credits": "6",
    "frozen_credits": "…",
    "charged_credits": "0",
    "state": "frozen",
    "price_version": "2026-07-18.picverse-parity"
  },
  "created_at": "2026-07-21T00:00:00.000Z",
  "completed_at": null
}

Lifecycle and failures

queued / running — wait and poll again.
succeeded — read output URLs from output; the actual charge is settled.
failed / canceled — inspect error; frozen Credits are released.
For a schema error, the API returns an error object and identifies the invalid field in param when applicable.

Input

Modelprompt*sizeresolutioncountimage_urls

Runs are billed to your Credits at the listed price — same engine as the public API.

Output

Run the model to see results here

Pricing details

Fixed catalog pricing — the listed price is exactly what a run settles for. Version 2026-07-18.picverse-parity.

Model	resolution	Price
nano-banana-2	0.5K	6Credits · ~$0.0600
nano-banana-2	1K	6Credits · ~$0.0600
nano-banana-2	2K	9Credits · ~$0.0900
nano-banana-2	4K	12Credits · ~$0.1200

Integrate in minutes

curl -X POST "https://api.artany.ai/v1/images/generations" \
  -H "Authorization: Bearer $ARTANY_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: unique-request-id" \
  -d '{"model":"nano-banana-2","prompt":"A small blue paper kite","size":"auto","resolution":"1K","count":1}'

# poll until terminal
curl "https://api.artany.ai/v1/jobs/{job_id}" \
  -H "Authorization: Bearer $ARTANY_API_KEY"