Create Image
Generate images from text descriptions using Google’s Nano Banana Pro Flash model (Gemini 3.1 Flash), a faster variant of Nano Banana Pro optimized for quick image generation.
Key Features:
- Fast image generation with Gemini 3.1 Flash
- Google Search grounding for real-world accuracy
- Support for reference images for guided generation
- Multiple aspect ratios and resolutions up to 4K
Best for:
- Rapid image generation with shorter wait times
- Grounded image generation using Google Search
- Reference-guided generation
- Iterative creative workflows where speed matters
Authorizations
Your Magnific API key. Required for authentication. Learn how to obtain an API key
Body
Text prompt describing the image you want to generate.
Tips:
- Be specific about visual details, composition, and style
- Nano Banana Pro Flash is optimized for speed while maintaining quality
- Enable Google Search grounding for images that need real-world accuracy
Examples:
- Simple: "A suited raccoon smoking a pipe"
- Detailed: "A suited raccoon smoking a pipe in a vintage study room, warm lighting, leather armchair, bookshelves in background"
2 - 3000"A suited raccoon smoking a pipe in a vintage study room"
Optional callback URL that will receive asynchronous notifications whenever the task changes status. The payload sent to this URL is the same as the corresponding GET endpoint response, but without the data field.
"https://www.example.com/webhook"
Optional reference images for guided generation. Each image can include associated text and mime type.
Image requirements:
- Maximum 14 images
- Supported formats: PNG, JPEG, WebP
- Publicly accessible URLs or GCS format
14[
{
"image": "https://example.com/reference.jpg",
"text": "Reference style",
"mime_type": "image/jpeg"
}
]Aspect ratio for the generated image.
Available ratios:
1:1: Square (default)2:3,3:2: Portrait/Landscape4:3,3:4: Standard5:4,4:5: Photo print16:9,9:16: Widescreen/Social stories21:9: Ultra-wide cinematic
1:1, 2:3, 3:2, 4:3, 3:4, 5:4, 4:5, 16:9, 9:16, 21:9 "1:1"
Resolution quality for the generated image.
Available resolutions:
1K: Lower resolution, faster generation (default)2K: Standard resolution, balanced quality/speed4K: High resolution, best quality
1K, 2K, 4K, low, medium, high "1K"
Enable Google Search grounding during image generation. When enabled, the model uses Google Search to ground its output with real-world information, improving accuracy for prompts that reference real places, people, brands, or current events.
Note: When enabled, the task response may include grounding metadata with source information.
Response
OK - The request has succeeded and the Nano Banana Pro Flash process has started.
{
"task_id": "046b6c7f-0b8a-43b9-b35d-6489e6daee91",
"status": "CREATED",
"generated": [
"https://openapi-generator.tech",
"https://openapi-generator.tech"
]
}