FREE Nano Banana API: Cut Costs, Scale Faster, Stay On-Brand

The wait is over. After months of speculation, the “mystery model” powering insanely good edits and consistent character shots has been revealed: Nano Banana.
This model, also known as Google Gemini 2.5 Flash Image, is designed for fast, flexible, and affordable AI image editing.
Now, you can access the Nano Banana API via PiAPI and utilise Google AI's ground-breaking capabilities.
Try Nano Banana API for free*!
*Get free credits when you sign up for our Creator and Pro subscription plans.
Why Nano Banana API Is The Best AI Image Generator
Unlike traditional Google AI tools, Nano Banana is tuned for:
1. Flexible edits
Swap, remove, or add objects while keeping everything looking natural — no awkward mismatches or broken details.
2. Scene + character identity preservation
Maintain a consistent style and character identity across multiple generations. Perfect for brands that need recognizable mascots, figurines, or recurring visuals.
3. Multi-image workflows
Combine multiple reference photos in one workflow to guide outputs more precisely. This makes it a powerful tool for complex projects and custom branding.
4. Product and creative use cases
From e-commerce product shots to creative mockups, virtual try-ons, or storytelling campaigns, Nano Banana unlocks a wide range of business and marketing applications.
Nano Banana API Free Trial & Pricing (2025)
Simple, transparent pricing with a free playground trial.
- i. Free Trial: Test Nano Banana in the no-code Playground (no billing required).
- ii. Per-Image Cost: $0.03 per image (JPEG & PNG).
- iii. Max Images per Request: Up to 4 images.
- iv. Free API Key: Instantly available after signup on PiAPI.
PiAPI Nano Banana (Gemini 2.5 Flash) Vs Gemini API
While the official Gemini API is powerful, it often leads to trial-and-error costs and wasted tokens. With Nano Banana API via PiAPI, you only pay for generated images (no hidden token leakage) as pricing is simple and predictable at $0.03 per image (JPEG & PNG). Furthermore, our Free subscription gives you access to a free Playground trial to experiment before committing! We also offer a webhook-ready, JSON-based integration for easy use.
Explore the Nano Banana API documentation for full technical details and enjoy FREE credits upon signing up for our Creator and Pro subcription! Check detailed pricing and features here.
Nano Banana API Documentation & Integration Guide
PiAPI keeps it's straightforward.
1. Get Your Free API Key
Sign up for your FREE API key and visit the Gemini API Documentation or explore the Playground!
2. Make Your First API Request (Code Example)
Endpoint
POST https://api.piapi.ai/api/v1/task
Headers
X-API-Key: YOUR_API_KEY
Content-Type: application/json
Request Body
{ "model": "gemini", "task_type": "gemini-2.5-flash-image", "input": { "prompt": "An action shot of a black lab swimming in an inground suburban swimming pool. The camera is placed meticulously on the water line, dividing the image in half, revealing both the dogs head above water holding a tennis ball in it's mouth, and it's paws paddling underwater.", "num_images": 1, "output_format": "png" }, "config": { "webhook_config": { "endpoint": "https://webhook.site/8c547d77-8ff1-4cf0-8cd7-b66b18953a88", "secret": "" } } }
For the full version of the code to copy, visit the Gemini Doc.
3. Build Into Your Apps, Workflows or Automations
Plug the API into n8n automations and many more!
Nano Banana Prompt Examples
1. Product Photography


2. E-Commerce Shoots and Virtual Try On Without Extra Training

3. Image Refinement
If you're not satisfied with the ouput, refine the image by prompting “Keep the photo the same, but brighten lighting”. Nano AI will generate the small yet precise edits.
4. Character Consistency for Figurines, Comics & Mascots

Needless to say, Nano Banana is a powerhouse for all AI-enthusiasts, content creators and businesses.
Why Use PiAPI Instead of Gemini API?
- 1. Cheaper & predictable pricing ($0.03/image).
- 2. Free Nano Banana Playground before committing.
- 3. Webhook support for async workflows (n8n, Zapier, custom apps).
- 4. One API portal with 20+ AI models: image, video, chat, music, and more.
Frequently Asked Questions
How do I get a free Nano Banana API key?
Sign up at PiAPI to instantly receive a free key and Playground trial.
What is the price per image using Nano Banana API?
Flat $0.03 per image, up to 4 images per request.
Can I use Nano Banana API commercially?
Yes, outputs come with full commercial rights.
Does PiAPI support webhooks?
Yes — specify your endpoint, and we’ll notify you when images are ready.
What’s the no-code Nano Banana Playground?
A browser-based workspace to test prompts and outputs without coding.
How can I get in touch with your team?
Please email us at contact@piapi.ai - we'd love to talk more regarding our product offering!
Final Thoughts: Try Google Gemini 2.5 Flash (Nano Banana) for Free Today
Nano Banana is challenging new boundaries and reshaping how creators and businesses work with AI. Nano Banana API puts Google AI power in your hands for free.
Unlock the power of 20+ AI models with PiAPI — image, video, chat, music, and more. Sign up today and start building smarter, faster, and at scale. Check out our pricing plans to see which fits your needs best.