What is Flux AI Image Generator?

Flux is a state-of-the-art AI image generation model developed by Black Forest Labs. Our free tool lets you create stunning images from text descriptions using the Flux.1 Schnell model.

Is this image generator really free?

Yes! We offer 5 free image generations per day. This allows you to experiment with different prompts and styles without any cost.

What is Nano Banana style?

Nano Banana is a viral 3D art style featuring cute, miniature scenes rendered in a clay-like aesthetic with soft lighting and pastel colors.

How many images can I generate for free?

You can generate up to 5 images per day for free. Your credits reset at midnight UTC.

Back to Generator

API Documentation

Flux Image Generation API

Integrate AI image generation into your applications with our simple REST API. Generate stunning images programmatically with support for multiple art styles.

Fast Generation

Rate Limited

5 Req/Day (Free)

Quick Start

curl -X POST https://fluximagegen.com/api/generate \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A serene mountain landscape at sunset",
    "style": "photorealism"
  }'

Base URL

https://fluximagegen.com/api

Endpoints

POST/api/generate

Generate an image from a text prompt

Request Body

prompt: string (required) - The text description of the image

style: string (optional) - Art style: standard, nano-banana, anime, photorealism, cyberpunk, watercolor

Response

success: boolean - Whether generation succeeded

imageUrl: string - URL of the generated image

prompt: string - The processed prompt used

remainingGenerations: number - Remaining daily generations

Available Styles

standard

Clean, high-quality default generation

nano-banana

Viral 3D clay render miniature style

anime

Japanese animation aesthetic

photorealism

Ultra-realistic photography style

cyberpunk

Neon-lit futuristic aesthetic

watercolor

Soft, artistic painting style

Code Examples

JavaScript / Node.js

const response = await fetch('https://fluximagegen.com/api/generate', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    prompt: 'A serene mountain landscape at sunset',
    style: 'photorealism'
  })
});

const data = await response.json();
console.log(data.imageUrl);

Python

import requests

response = requests.post(
    'https://fluximagegen.com/api/generate',
    json={
        'prompt': 'A serene mountain landscape at sunset',
        'style': 'photorealism'
    }
)

data = response.json()
print(data['imageUrl'])

Rate Limiting

Free Tier Limits

• 5 image generations per day per IP address
• Rate limits reset at midnight UTC
• Each generation takes approximately 10-30 seconds
• Remaining generations returned in remainingGenerations field

Error Codes

Status	Description
`200`	Success - Image generated
`400`	Bad Request - Missing or invalid prompt
`429`	Rate Limited - Daily limit exceeded
`500`	Server Error - Generation failed

Need Higher Limits?

Contact for Enterprise