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.
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.
Canal 03
Histórico de impressão digital
Sem dados de detecção
Uptime
Sem dados de detecção
Transparent per-image pricing by resolution — pay only for the images you generate.
Nano Banana 2 API — Pricing
| Model | Our price | Official | Save |
|---|---|---|---|
| Nano Banana 2 | $0.0375/img | $0.0672/img | 44% |
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
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 — Perguntas Frequentes
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
Como Começar
Crie Sua Chave de API
Cadastre-se e crie uma chave de API compatível com OpenAI em 3 segundos. Não é necessário cartão de crédito.
Criar Chave de APIAdicione Saldo
Adicione créditos via USDT ou Epay. Um único saldo funciona em todos os modelos e provedores.
Adicionar Saldo AgoraConecte ao Seu Código ou Agente
Substitua pela sua chave APIMaster e base URL — funciona com qualquer ferramenta compatível com OpenAI: Claude Code, Cursor, LangChain, LiteLLM e muito mais.
Ver Documentação