Text to Image

nano-banana-2-lite

Draft model pending operator verification

POST /v1/images/generationsAsync generationFixed Credit pricing

Quick start

Submit a request with this public model ID. The API immediately returns a normalized job; poll GET /v1/jobs/{jobId} while its status is queued or running.

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-lite","prompt":"A small blue paper kite","size":"auto","resolution":"1K","count":1}'

Request

Headers

Header	Required	Description
Authorization	Yes	Bearer token for an Artany API key.
Content-Type	Yes	Must be application/json.
Idempotency-Key	Recommended	8–128 characters. Reusing it with an identical request prevents duplicate jobs and charges.

Body

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

Request Parameters

Only fields in this model’s public request contract are shown. Defaults are applied before validation and quoting.

modelstringrequireddefault: "nano-banana-2-lite"

Stable public model ID for this request.

promptstringrequired

Text instruction for image generation or editing. Describe the desired subject, composition, style, and changes.

Length: 1–12000

sizestringdefault: "auto"

Output image aspect ratio. Use auto when the model should select a suitable framing.

Allowed: auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 5:4, 4:5, 21:9

auto1:13:22:34:33:416:99:165:44:521:9

For reference-based generation, the input image can influence the resulting aspect ratio.

resolutionstringdefault: "1K"

Output resolution for the Lite model.

Allowed: 1K

Note:Lite output is fixed at 1K. Any other tier is reduced to 1K.

countintegerdefault: 1

Number of images to generate in this request.

Allowed: 1 · Range: 1–1

Note:Send a JSON number rather than a quoted string.

image_urlsarray

Reference images for image-to-image generation. Public http(s) URLs or complete Base64 Data URIs are supported.

Items: 1–14

Up to 14 reference images are supported.

Note:Base64 input must include its complete data URI prefix. Use accessible, stable source URLs.

Response and task status

A successful asynchronous submission returns HTTP 202 with a supplier-neutral job.

{
  "id": "job_…",
  "object": "generation.job",
  "model": "nano-banana-2-lite",
  "status": "queued",
  "progress": 0,
  "output": null,
  "error": null,
  "billing": {
    "estimated_credits": "…",
    "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
}

queued / running: continue polling.
succeeded: retrieve media URLs from output; billing has settled.
failed / canceled: inspect error; frozen Credits are released.

Pricing

The price shown for a matching configuration is the fixed amount settled on successful completion. Price version: 2026-07-18.picverse-parity.

Credits
3