PiAPIImage GenerationAI generation

Google: Gemini 3 Pro Image (Nano Banana Pro)

piapi.image-gen.gemini-3-pro-image

Generate or edit an image with Gemini 3 Pro Image at 1K, 2K or 4K from a prompt and up to 14 reference images.

Price: $0.181/successAt provider cost
Success rate: 100%Last 30 days · 2,779 calls
Latency p50: 560 msp95 824 ms
Last verified: Sep 14, 2026Verified working

POSThttps://toolswitch.dev/v1/tools/piapi.image-gen.gemini-3-pro-imagePreview

Try onlineProvider docs ↗

Uses platform quota
Asynchronous response
Reads public data

Parameters

This tool has no parameters. See provider docs ↗ Provider docs

Code samples

Replace $TOOLSWITCH_KEY with the key you created in the console.

Preview

curl -X POST 'https://toolswitch.dev/v1/tools/piapi.image-gen.gemini-3-pro-image' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY" \
  -H "Content-Type: application/json" \
  --data-raw '{"input":{"prompt":"A clean editorial illustration of a paper airplane.","resolution":"1K","aspect_ratio":"1:1","output_format":"png"},"model":"gemini","task_type":"nano-banana-pro"}'

import os
import json
import requests

response = requests.request(
    "POST",
    "https://toolswitch.dev/v1/tools/piapi.image-gen.gemini-3-pro-image",
    headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
    json=json.loads("{\"input\":{\"prompt\":\"A clean editorial illustration of a paper airplane.\",\"resolution\":\"1K\",\"aspect_ratio\":\"1:1\",\"output_format\":\"png\"},\"model\":\"gemini\",\"task_type\":\"nano-banana-pro\"}"),
)
response.raise_for_status()
print(response.text)

const response = await fetch("https://toolswitch.dev/v1/tools/piapi.image-gen.gemini-3-pro-image", {
  method: "POST",
  headers: {
    "X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
    "Content-Type": "application/json",
  },
  body: JSON.stringify(JSON.parse("{\"input\":{\"prompt\":\"A clean editorial illustration of a paper airplane.\",\"resolution\":\"1K\",\"aspect_ratio\":\"1:1\",\"output_format\":\"png\"},\"model\":\"gemini\",\"task_type\":\"nano-banana-pro\"}")),
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());

This gateway API is in preview; its URL and authentication may change. The example parameters are sample data. Calls are billed at $0.181/success, including the service fee.