APIMaster.ai

Nano Banana 2 API

Google Gemini 3.1 Flash Image Preview — fast text-to-image and image-to-image with native 4K output and up to 14 reference images.

Access Nano Banana 2 through APIMaster's OpenAI-compatible images endpoint. Generate text-to-image or image-to-image with extreme aspect ratios, optional Google search grounding, and resolution tiers from 0.5K to 4K — billed per image, pay-as-you-go.

Ввод
Референсные изображения (несколько)
JPEG / PNG / WebP (макс. 10 МБ) · Up to 14 reference images
Результат
Ваш результат появится здесь.

What is the Nano Banana 2 API?

Nano Banana 2 is powered by Google's gemini-3.1-flash-image-preview model. It delivers fast multimodal image generation with strong prompt following, up to 14 reference images for editing workflows, and native 4K output. Use the sync endpoint for one-shot results or async submit + poll for batch pipelines.

Выберите модель
03
gemini-3.1-flash-image-preview

Channel 03

За изображение$0.0375/ изобр$0.0672/ изобрЭкономия 44%

История отпечатков

Нет данных проверки

Аптайм

Нет данных проверки

Transparent per-image pricing by resolution — pay only for the images you generate.

Nano Banana 2 API — Pricing

ModelOur priceOfficialSave
Nano Banana 2$0.0375/img$0.0672/img44%

Capabilities

Native 4K output

Generate up to 4K resolution images with sharp detail — resolution billed in 0.5K / 1K / 2K / 4K tiers.

Text & image-to-image

Up to 14 reference images for editing, style transfer, and multi-image fusion workflows.

Extreme aspect ratios

Supports auto sizing plus ratios from 1:1 through 21:9 and extreme 1:4 / 4:1 — ideal for banners and social formats.

Use cases

E-commerce product shotsUI mockups & app screensMarketing visualsImage editing pipelines4K creative assets

Quick start

curl https://apimaster.ai/v1/images/generations \
  -H "Authorization: Bearer $APIMASTER_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-image-preview",
    "prompt": "An orange cat at sunset, watercolor"
  }'

Nano Banana 2 API — Часто задаваемые вопросы

Which model id do I use?

Always gemini-3.1-flash-image-preview in the model field. Nano Banana 2 is the product name on APIMaster.

Which endpoint do I call?

POST /v1/images/generations (sync) or /v1/images/generations/async — not /chat/completions. See Quick start below.

How is billing calculated?

Per image, multiplied by resolution tier (0.5K/1K base, 2K ≈ 4/3×, 4K ≈ 2×). See the price table and usage logs for exact charges.

Can I use reference images?

Yes — up to 14 reference images via image_urls or multipart upload in the playground. JPEG, PNG, WebP, max 10MB each.

Is my data safe?

Yes. Your API data is not stored or used for training, and all requests are sent over encrypted connections.

Other models

Как начать

01

Создайте свой API Key

Зарегистрируйтесь и создайте API key, совместимый с OpenAI, за 3 секунды. Кредитная карта не требуется.

Создать API Key
02

Пополните баланс

Добавьте кредиты через USDT или Epay. Один баланс работает для всех моделей и провайдеров.

Пополнить сейчас
03

Подключите к своему коду или агенту

Замените на свой APIMaster key и base URL — работает с любым инструментом, совместимым с OpenAI: Claude Code, Cursor, LangChain, LiteLLM и другие.

Посмотреть документацию