Nano Banana 2.1 API: price per image at 1K, 2K and 4K

# Requires bash, curl and uuidgen. One idempotency key per request.
IDEMPOTENCY_KEY="$(uuidgen)" || exit 1
curl --fail-with-body --max-time 30 \
  -X POST https://api.rendergrid.io/api/public/v1/images/generate \
  -H "Authorization: Bearer $RENDERGRID_API_KEY" \
  -H "Content-Type: application/json" \
  -H "X-Idempotency-Key: $IDEMPOTENCY_KEY" \
  -d '{
    "model": "nano-banana-2.1",
    "prompt": "Center a frosted cylindrical bottle with a white cap on a pale stone slab. Two fern fronds flank it without obscuring the bottle. Diffuse light creates delicate leaf shadows and reveals the fern veins and rough stone. Leave open margins around the complete product. No lettering, logos, people, or watermarks.",
    "resolution": "2K",
    "aspect_ratio": "1:1"
  }'

import os
import uuid

import requests

key = os.environ["RENDERGRID_API_KEY"]
payload = {
    "model": "nano-banana-2.1",
    "prompt": "Center a frosted cylindrical bottle with a white cap on a pale stone slab. Two fern fronds flank it without obscuring the bottle. Diffuse light creates delicate leaf shadows and reveals the fern veins and rough stone. Leave open margins around the complete product. No lettering, logos, people, or watermarks.",
    "resolution": "2K",
    "aspect_ratio": "1:1",
}
response = requests.post(
    "https://api.rendergrid.io/api/public/v1/images/generate",
    headers={
        "Authorization": f"Bearer {key}",
        # a new key for every request; the same key when you repeat one
        "X-Idempotency-Key": str(uuid.uuid4()),
    },
    json=payload,
    timeout=(10, 120),
)
response.raise_for_status()
creation = response.json()
print(creation["id"], creation["status"], creation["cost"])

// Node.js 22+, .mjs file
import { randomUUID } from "node:crypto";

const API = "https://api.rendergrid.io/api/public/v1";
const response = await fetch(`${API}/images/generate`, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.RENDERGRID_API_KEY}`,
    "Content-Type": "application/json",
    // a new key for every request; the same key when you repeat one
    "X-Idempotency-Key": randomUUID(),
  },
  body: JSON.stringify({
    model: "nano-banana-2.1",
    prompt: "Center a frosted cylindrical bottle with a white cap on a pale stone slab. Two fern fronds flank it without obscuring the bottle. Diffuse light creates delicate leaf shadows and reveals the fern veins and rough stone. Leave open margins around the complete product. No lettering, logos, people, or watermarks.",
    resolution: "2K",
    aspect_ratio: "1:1",
  }),
  signal: AbortSignal.timeout(120_000),
});
if (response.status !== 202) {
  throw new Error(`HTTP ${response.status}: ${await response.text()}`);
}
const creation = await response.json();
console.log(creation.id, creation.status, creation.cost);