Flux 2 Max - Image Generator

The highest-fidelity image generation model from Black Forest Labs. Delivers maximum quality with top consistency across generations, making it the definitive choice for professional photography, fine art, and premium commercial work.

Also supports Image Editing

This model also supports IMAGE_EDITOR mode for text-based image editing. See Flux 2 Max - Image Editor.

Endpoint

POSThttps://api.1min.ai/api/features

Request Headers

Field	Value
API-KEY	<api-key>
Content-Type	application/json

Parameters

Parameter	Type	Required	Description
type	string	Yes	Must be IMAGE_GENERATOR
model	string	Yes	Must be black-forest-labs/flux-2-max
promptObject	object	Yes	Configuration object containing all generation parameters

Prompt Object Parameters

Parameter	Type	Required	Description	Default
prompt	string	Yes	Text description of the image to generate	-
aspect_ratio	string	No	Image aspect ratio (1:1, 16:9, 9:16, 3:2, 2:3, 4:5, 5:4)	1:1
output_format	string	No	Output file format (jpg, png)	png
output_quality	number	No	Output image quality (0-100)	80
steps	number	No	Number of diffusion steps (15-50)	50
guidance	number	No	Prompt adherence scale (2-5)	3
safety_tolerance	number	No	Content safety threshold (1=strictest, 6=most permissive)	2
prompt_upsampling	boolean	No	Automatically enhance prompt for more creative output	false
seed	number	No	Random seed for reproducibility	Random

Code Examples

cURL

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "IMAGE_GENERATOR",
"model": "black-forest-labs/flux-2-max",
"promptObject": {
  "prompt": "A cinematic portrait of a woman in a rainy street at night, bokeh lights, film grain, ultra detailed",
  "aspect_ratio": "2:3",
  "steps": 50,
  "guidance": 3.5,
  "output_format": "png",
  "output_quality": 95,
  "safety_tolerance": 2
}
}'

JavaScript

fetch('https://api.1min.ai/api/features', {
method: 'POST',
headers: {
  'Content-Type': 'application/json',
  'API-KEY': 'YOUR_API_KEY'
},
body: JSON.stringify({
  type: 'IMAGE_GENERATOR',
  model: 'black-forest-labs/flux-2-max',
  promptObject: {
    prompt: 'A cinematic portrait of a woman in a rainy street at night, bokeh lights, film grain, ultra detailed',
    aspect_ratio: '2:3',
    steps: 50,
    guidance: 3.5,
    output_format: 'png',
    output_quality: 95,
    safety_tolerance: 2
  }
})
})

Python

import requests

url = "https://api.1min.ai/api/features"
headers = {
"Content-Type": "application/json",
"API-KEY": "YOUR_API_KEY"
}

data = {
"type": "IMAGE_GENERATOR",
"model": "black-forest-labs/flux-2-max",
"promptObject": {
  "prompt": "A cinematic portrait of a woman in a rainy street at night, bokeh lights, film grain, ultra detailed",
  "aspect_ratio": "2:3",
  "steps": 50,
  "guidance": 3.5,
  "output_format": "png",
  "output_quality": 95,
  "safety_tolerance": 2
}
}

response = requests.post(url, headers=headers, json=data)

Interactive Playground

API Playground

GETPOSTPUTDELETEhttps://api.1min.ai/api/features

AI Model *Flux 2 Max - Black Forest Labs

Prompt *

Describe the image you want to generate

A cinematic portrait of a woman in a rainy street at night, bokeh lights, film grain, ultra detailed

Aspect Ratio 1:1 - Square16:9 - Widescreen9:16 - Vertical3:2 - Photography2:3 - Portrait4:5 - Instagram5:4 - Landscape

Steps

Number of diffusion steps (15-50)

Guidance

Prompt adherence scale (2-5)

Safety Tolerance

Content safety threshold (1=strictest, 6=most permissive)

Prompt Upsampling TrueFalse

Output Quality

Output image quality (0-100)

Seed

Random seed for reproducibility

Generated cURL Command:

curl -X POST "https://api.1min.ai/api/features" \
  -H "API-KEY: <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
  "type": "IMAGE_GENERATOR",
  "model": "black-forest-labs/flux-2-max",
  "promptObject": {
    "prompt": "A cinematic portrait of a woman in a rainy street at night, bokeh lights, film grain, ultra detailed",
    "aspect_ratio": "2:3",
    "steps": 50,
    "guidance": 3.5,
    "output_format": "png",
    "output_quality": 95,
    "safety_tolerance": 2
  }
}'

Response Format

{
"aiRecord": {
  "uuid": "f6a7b8c9-d0e1-2345-fabc-456789012345",
  "model": "black-forest-labs/flux-2-max",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2026-03-27T10:00:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "A cinematic portrait of a woman in a rainy street at night, bokeh lights, film grain, ultra detailed",
      "aspect_ratio": "2:3",
      "steps": 50,
      "guidance": 3.5,
      "output_format": "png",
      "output_quality": 95,
      "safety_tolerance": 2
    },
    "resultObject": [
      "development/images/2026_03_27_10_00_06_001_portrait.png"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2026_03_27_10_00_06_001_portrait.png?..."
}
}

Use Cases

• Professional Photography: Ultra high-fidelity photorealistic portraits and scenes
• Fine Art: Museum-quality digital artwork at maximum detail
• Film & Advertising: Premium campaign visuals requiring top production value
• E-commerce: Flawless product imagery with perfect consistency
• Brand Campaigns: Character and style consistency at the highest quality level