Leonardo Vision XL - Image Generator

Advanced vision-focused AI image generation model by Leonardo AI. Specializes in creating highly detailed, visually striking imagery with exceptional clarity, precise composition, outstanding visual fidelity, and comprehensive creative controls including Alchemy enhancement and Prompt Magic for professional applications.

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	Feature type identifier. Must be `IMAGE_GENERATOR`
`model`	string	Yes	AI model identifier. Must be `5c232a9e-9061-4777-980a-ddc8e65647c6`
`promptObject`	object	Yes	Configuration object containing all generation parameters

Prompt Object Parameters

Basic Parameters

Parameter	Type	Required	Description	Default
`prompt`	string	Yes	Text description of the image to generate	-
`size`	string	Yes	Generated image dimensions	1024x1024
`n`	number	Yes	Number of images to generate (1-4)	1
`negativePrompt`	string	No	Describe what you don't want in the image	-

Leonardo Common Parameters

Parameter	Type	Required	Description	Default	Range
`leonardo_guidance_scale`	integer	No	How strongly generation reflects the prompt	7	1-20
`leonardo_num_inference_steps`	integer	No	Number of inference steps for generation	15	10-60
`leonardo_seed`	integer	No	Fixed seed for consistency across generations	-	0-9999999998
`leonardo_tilling`	boolean	No	Whether images should tile on all axes	false	-
`leonardo_transparency`	string	No	Type of transparency to use	-	disabled, foreground_only
`leonardo_preset_style`	string	No	Style preset for generation	-	Dynamic based on Alchemy settings

Image Guidance Parameters

Parameter	Type	Required	Description	Default	Range
`leonardo_image_prompts`	array	No	Upload images to use as image prompts	-	Max 4 images
`leonardo_init_image_id`	string	No	Init image ID to influence generation features	-	Required for Fantasy Avatar
`leonardo_init_strength`	float	No	How strongly generated images reflect init image	-	0.1-0.9
`leonardo_fantasy_avatar`	boolean	No	Enable Fantasy Avatar feature (requires Init Image ID when enabled)	false	-

Alchemy Parameters

Parameter	Type	Required	Description	Default	Range
`leonardo_alchemy`	boolean	No	Enable Alchemy enhancement	true	-
`leonardo_contrast_ratio`	float	No	Contrast ratio for Alchemy	-	0-1
`leonardo_expanded_domain`	boolean	No	Enable Expanded Domain feature	false	-
`leonardo_photo_real`	boolean	No	Enable PhotoReal feature	false	-
`leonardo_photo_real_version`	string	No	PhotoReal version (automatically set to v2 when PhotoReal is enabled)	v2	v2
`leonardo_photo_real_strength`	float	No	PhotoReal depth of field (v1 only)	0.55	0.45, 0.5, 0.55

Prompt Magic Parameters

Parameter	Type	Required	Description	Default	Range
`leonardo_prompt_magic`	boolean	No	Enable Prompt Magic	false	-
`leonardo_prompt_magic_version`	string	No	Prompt Magic version	v3	v2, v3
`leonardo_prompt_magic_strength`	float	No	Strength of Prompt Magic	-	0.1-1.0
`leonardo_hight_constrast`	boolean	No	Enable High Contrast (controls RAW mode)	false	-
`leonardo_hight_resolution`	boolean	No	Enable High Resolution	false	-

Enhance Prompt Parameters

Parameter	Type	Required	Description	Default
`leonardo_enhance_prompt`	boolean	No	Enable prompt enhancement	false
`leonardo_enhance_prompt_instruction`	string	No	Instructions for prompt enhancement	-

Supported Image Sizes

Size	Resolution	Use Case
512x512	Standard square	Quick concepts, thumbnails
1024x768	Landscape	Wide detailed scenes, environments
768x1024	Portrait	Detailed portraits, vertical compositions
1024x1024	High-res square	Maximum detail, professional work

Vision XL Features

Feature	Description
Exceptional Visual Clarity	Ultra-high detail resolution and precision
Advanced Detail Recognition	Superior fine detail preservation and enhancement
Professional Visual Fidelity	Commercial-grade image quality and accuracy
Precise Composition Control	Exact visual element placement and arrangement
Alchemy Enhancement	Advanced AI processing for superior visual quality
Prompt Magic	AI-powered prompt expansion for visual contexts
PhotoReal Technology	Photorealistic image generation capabilities
High Resolution	Enhanced detail for professional visual applications

Code Examples

cURL
JavaScript
Python

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "IMAGE_GENERATOR",
"model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
"promptObject": {
  "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
  "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
  "size": "1024x1024",
  "n": 1,
  "leonardo_alchemy": true,
  "leonardo_guidance_scale": 12,
  "leonardo_num_inference_steps": 40,
  "leonardo_prompt_magic": true,
  "leonardo_prompt_magic_version": "v3",
  "leonardo_hight_resolution": true
}
}'

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: '5c232a9e-9061-4777-980a-ddc8e65647c6',
  promptObject: {
    prompt: 'ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution',
    negativePrompt: 'blurry, soft focus, low resolution, poor detail, unclear',
    size: '1024x1024',
    n: 1,
    leonardo_alchemy: true,
    leonardo_guidance_scale: 12,
    leonardo_num_inference_steps: 40,
    leonardo_prompt_magic: true,
    leonardo_prompt_magic_version: 'v3',
    leonardo_hight_resolution: true
  }
})
})

import requests

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

data = {
"type": "IMAGE_GENERATOR",
"model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
"promptObject": {
  "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
  "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
  "size": "1024x1024",
  "n": 1,
  "leonardo_alchemy": True,
  "leonardo_guidance_scale": 12,
  "leonardo_num_inference_steps": 40,
  "leonardo_prompt_magic": True,
  "leonardo_prompt_magic_version": "v3",
  "leonardo_hight_resolution": True
}
}

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

Interactive Playground

API Playground

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

Prompt *

Describe the high-detail image you want to generate

Negative Prompt

Describe what you don't want in the image

Image Size *

Generated image dimensions

Number of Images *

Number of images to generate (1-4)

Guidance Scale

How strongly generation reflects the prompt (1-20)

Inference Steps

Number of inference steps (10-60)

Seed

Fixed seed for consistency (0-9999999998)

Tilling

Enable tiling on all axes

Transparency

Type of transparency to use

Alchemy

Enable Alchemy enhancement

Contrast Ratio

Alchemy contrast ratio (0-1)

Expanded Domain

Enable Expanded Domain feature

Photo Real

Enable PhotoReal feature

Init Strength

How strongly generated images reflect init image (0.1-0.9)

Fantasy Avatar

Enable Fantasy Avatar feature (requires Init Image ID when enabled)

Prompt Magic

Enable Prompt Magic

Prompt Magic Version

Prompt Magic version (v2 or v3)

Prompt Magic Strength

Strength of Prompt Magic (0.1-1.0)

High Contrast

Enable High Contrast (controls RAW mode)

High Resolution

Enable High Resolution

Enhance Prompt

Enable prompt enhancement

Enhance Prompt Instruction

Instructions for prompt enhancement

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": "5c232a9e-9061-4777-980a-ddc8e65647c6",
  "promptObject": {
    "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
    "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
    "size": "1024x1024",
    "n": 1,
    "leonardo_alchemy": true,
    "leonardo_guidance_scale": 12,
    "leonardo_num_inference_steps": 40
  }
}'

Response Format

{
"aiRecord": {
  "uuid": "e4f5g6h7-i8j9-0123-4567-890123defghi",
  "userId": "user-12345",
  "teamId": "team-67890",
  "model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2025-01-15T10:50:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
      "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
      "size": "1024x1024",
      "n": 1,
      "leonardo_alchemy": true,
      "leonardo_guidance_scale": 12,
      "leonardo_num_inference_steps": 40,
      "leonardo_prompt_magic": true,
      "leonardo_prompt_magic_version": "v3",
      "leonardo_hight_resolution": true
    },
    "resultObject": [
      "development/images/2025_01_15_10_50_45_001_vision_detail.webp"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_50_45_001_vision_detail.webp?X-Amz-Algorithm=AWS4-HMAC-SHA256&..."
}
}

Use Cases

Professional Photography & Visual Arts

Macro Photography: Ultra-detailed close-up imagery with exceptional clarity
Product Photography: High-resolution product shots with precise detail
Fine Art Photography: Professional artistic imagery with superior visual quality
Portrait Photography: Crystal-clear portraits with exceptional detail rendering
Architectural Photography: Detailed building and interior photography

Scientific & Technical Visualization

Medical Imaging: Detailed anatomical and medical visualizations
Scientific Illustrations: Precise scientific diagrams and educational materials
Technical Documentation: High-clarity technical illustrations and manuals
Research Visualization: Detailed research presentations and academic materials
Engineering Graphics: Precise technical drawings and specifications

Commercial & Marketing Applications

High-End Advertising: Premium brand imagery requiring exceptional quality
Print Media: High-resolution imagery for magazines and publications
Digital Marketing: Crystal-clear web graphics and social media content
E-commerce: Detailed product imagery for online retail
Corporate Communications: Professional business imagery and presentations

Creative & Artistic Projects

Digital Art: High-detail digital artwork and creative compositions
Concept Art: Detailed conceptual imagery for creative projects
Illustration Work: Professional illustrations with exceptional clarity
Portfolio Development: High-quality imagery for artistic portfolios
Exhibition Work: Gallery-quality digital art and visual displays

Endpoint​

Request Headers​

Parameters​

Prompt Object Parameters​

Basic Parameters​

Leonardo Common Parameters​

Image Guidance Parameters​

Alchemy Parameters​

Prompt Magic Parameters​

Enhance Prompt Parameters​

Supported Image Sizes​

Vision XL Features​

Code Examples​

Interactive Playground​