Nano Banana Pro API - Kie.ai

Nano Banana Pro API is a next-generation image model powered by Google’s Gemini 3 Pro Image stack. It supports native 2K image generation with optional 4K output, enhanced text rendering for UI and marketing assets, stable character identity across multiple generations, and multi-image reference inputs for style and composition control.

Designed for professional creative workflows, product visuals, scene editing, and high-volume API applications, Nano Banana Pro delivers sharper materials, improved structure reasoning, layout-aware aspect ratios, and more reliable inpainting and refinements compared to the original Nano Banana (Gemini 2.5 Flash Image).

Built on Kie.ai, the API provides scalable usage, pay-as-you-go pricing, and commercial use support, making it ideal for builders, designers, and developers shipping production-level imaging tools.

How to Use

1. Visit https://kie.ai/nano-banana-pro
2. Enter a text prompt or upload reference images (up to 8).
3. Select resolution (2K or 4K) and aspect ratio.
4. Click “Generate” to preview output.
5. Retrieve your API key from the dashboard for programmatic integration.

Nano Banana Pro API - Kie.ai's

Key Features

• 2K native generation with optional 4K output
• Advanced text rendering for UI, banners, and product assets
• Multi-image reference support (up to 8 inputs)
• Consistent character identity and style across generations
• Flexible aspect ratios: 1:1, 4:5, 16:9, 21:9, 9:16, and more
• Scene-aware editing, inpainting, background replacement
• Higher detail accuracy with clean materials and edges

Use Cases

• Product and e-commerce visuals
• Marketing assets with clear typography
• Character consistency across sequential images or stories
• Multi-style character adaptation for games and media
• Scene editing and background replacement
• Localization workflows with multilingual text
• UI assets, posters, packaging mockups

FAQ

Is there a free tier? Nano Banana Pro API - Kie.ai