Flux 2 Pro - Image Generator

High-quality image generation model by Black Forest Labs with multi-reference support. Generate photorealistic images from text prompts, with optional image references to guide style, composition, and subject consistency.

Also supports Image Editing

This model also supports IMAGE_EDITOR mode for text-based image editing. See Flux 2 Pro - 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-pro
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)	25
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-pro",
"promptObject": {
  "prompt": "A professional product photo of a minimalist watch on a marble surface, studio lighting",
  "aspect_ratio": "1:1",
  "steps": 25,
  "guidance": 3,
  "output_format": "png",
  "output_quality": 90,
  "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-pro',
  promptObject: {
    prompt: 'A professional product photo of a minimalist watch on a marble surface, studio lighting',
    aspect_ratio: '1:1',
    steps: 25,
    guidance: 3,
    output_format: 'png',
    output_quality: 90,
    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-pro",
"promptObject": {
  "prompt": "A professional product photo of a minimalist watch on a marble surface, studio lighting",
  "aspect_ratio": "1:1",
  "steps": 25,
  "guidance": 3,
  "output_format": "png",
  "output_quality": 90,
  "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 Pro - Black Forest Labs

Prompt *

Describe the image you want to generate

A professional product photo of a minimalist watch on a marble surface, studio lighting

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

Automatically enhance prompt for more creative output

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-pro",
  "promptObject": {
    "prompt": "A professional product photo of a minimalist watch on a marble surface, studio lighting",
    "aspect_ratio": "1:1",
    "steps": 25,
    "guidance": 3,
    "output_format": "png",
    "output_quality": 90,
    "safety_tolerance": 2
  }
}'

Response Format

{
"aiRecord": {
  "uuid": "c3d4e5f6-a7b8-9012-cdef-123456789012",
  "model": "black-forest-labs/flux-2-pro",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2026-03-27T10:00:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "A professional product photo of a minimalist watch on a marble surface, studio lighting",
      "aspect_ratio": "1:1",
      "steps": 25,
      "guidance": 3,
      "output_format": "png",
      "output_quality": 90,
      "safety_tolerance": 2
    },
    "resultObject": [
      "development/images/2026_03_27_10_00_03_001_watch.png"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2026_03_27_10_00_03_001_watch.png?..."
}
}

Use Cases

• Product Photography: High-fidelity commercial product imagery
• Marketing Campaigns: Premium advertising and brand visuals
• Creative Direction: Precise photorealistic concepts with strong prompt adherence
• Content Creation: Professional-grade imagery for editorial and digital media