Leonardo Phoenix - Image Generator

Revolutionary next-generation AI image generation platform by Leonardo AI. Phoenix represents the pinnacle of AI creativity, featuring advanced Elements system, enhanced Alchemy technology, Prompt Magic, and comprehensive creative controls for professional and artistic applications requiring maximum quality and innovation.

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 6b645e3a-d64f-4341-a6d8-7a3690fbf042
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	-

Elements Parameters

Parameter	Type	Required	Description	Default	Range
leonardo_elements	array	No	Array of Elements to apply to generation	[]	Max 4 elements

Element Object Structure:

{
  "akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
  "weight": 0.1
}

Element Property	Type	Required	Description	Range
akUUID	string	Yes	Unique identifier for the Element	Valid Element UUID
weight	float	Yes	Strength/influence of the Element	0.1-1.0

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 generations, thumbnails
1024x768	Landscape	Wide aspect ratio images
768x1024	Portrait	Vertical aspect ratio images
1024x1024	High-res square	High-quality square images

Leonardo Phoenix Features

Feature	Description
Advanced Elements System	Revolutionary Elements technology for precise creative control
Next-Gen Alchemy	Enhanced Alchemy processing for superior quality and detail
Prompt Magic v3	AI-powered prompt expansion and optimization
PhotoReal Technology	Photorealistic image generation with Phoenix enhancements
Fantasy Avatar	Character-focused generation with init images
Expanded Domain	Enhanced creative possibilities and artistic range
Image Guidance	Use reference images to guide generation
High Resolution	Enhanced detail and clarity with Phoenix optimization
Professional Quality	Commercial-grade image output with revolutionary technology

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": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
"promptObject": {
  "prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
  "size": "1024x1024",
  "n": 1,
  "leonardo_alchemy": true,
  "leonardo_guidance_scale": 7,
  "leonardo_num_inference_steps": 15,
  "leonardo_prompt_magic": true,
  "leonardo_prompt_magic_version": "v3",
  "leonardo_elements": [
    {
      "akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
      "weight": 0.1
    }
  ]
}
}'

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: '6b645e3a-d64f-4341-a6d8-7a3690fbf042',
  promptObject: {
    prompt: 'Professional portrait of a business person in modern office, photorealistic, high quality',
    size: '1024x1024',
    n: 1,
    leonardo_alchemy: true,
    leonardo_guidance_scale: 7,
    leonardo_num_inference_steps: 15,
    leonardo_prompt_magic: true,
    leonardo_prompt_magic_version: 'v3',
    leonardo_elements: [
      {
        akUUID: '840f7698-2db2-4356-aa92-9444cea38223',
        weight: 0.1
      }
    ]
  }
})
})

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": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
"promptObject": {
  "prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
  "size": "1024x1024",
  "n": 1,
  "leonardo_alchemy": True,
  "leonardo_guidance_scale": 7,
  "leonardo_num_inference_steps": 15,
  "leonardo_prompt_magic": True,
  "leonardo_prompt_magic_version": "v3",
  "leonardo_elements": [
    {
      "akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
      "weight": 0.1
    }
  ]
}
}

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

Interactive Playground

API Playground

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

Prompt *

Describe the image you want to generate

Professional portrait of a business person in modern office, photorealistic, high quality

Negative Prompt

Describe what you don't want in the image

Image Size *

Generated image dimensions

512x512 - Square Standard1024x768 - Landscape768x1024 - Portrait1024x1024 - Square HD

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

Alchemy

Enable Alchemy enhancement

Contrast Ratio

Alchemy contrast ratio (0-1)

Expanded Domain

Enable Expanded Domain 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)

Elements

JSON array of Elements to apply (e.g., [{"akUUID": "840f7698-2db2-4356-aa92-9444cea38223", "weight": 0.1}])

Prompt Magic

Enable Prompt Magic

Prompt Magic Version

Prompt Magic version (v2 or v3)

v2v3

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": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
  "promptObject": {
    "prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
    "size": "1024x1024",
    "n": 1,
    "leonardo_alchemy": true,
    "leonardo_guidance_scale": 7,
    "leonardo_num_inference_steps": 15
  }
}'

Response Format

{
"aiRecord": {
  "uuid": "e4f5g6h7-i8j9-0123-4567-890123defghi",
  "userId": "user-12345",
  "teamId": "team-67890",
  "model": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2025-01-15T10:50:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
      "size": "1024x1024",
      "n": 1,
      "leonardo_alchemy": true,
      "leonardo_guidance_scale": 7,
      "leonardo_num_inference_steps": 15,
      "leonardo_prompt_magic": true,
      "leonardo_prompt_magic_version": "v3",
      "leonardo_elements": [
        {
          "akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
          "weight": 0.1
        }
      ]
    },
    "resultObject": [
      "development/images/2025_01_15_10_50_45_001_phoenix.webp"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_50_45_001_phoenix.webp?X-Amz-Algorithm=AWS4-HMAC-SHA256&..."
}
}

Use Cases

Professional Applications

• Corporate Photography: Executive portraits, team photos, professional headshots
• Marketing Content: Product photography, advertising visuals, brand imagery
• E-commerce: Product shots, lifestyle imagery, catalog photography
• Real Estate: Property visualization, interior design concepts
• Fashion: Model photography, clothing displays, style concepts

Creative Projects

• Digital Art: Concept art, character design, fantasy illustrations
• Content Creation: Social media content, blog illustrations, thumbnails
• Entertainment: Game assets, movie concepts, book covers
• Educational Materials: Infographics, training materials, presentations
• Personal Projects: Portraits, artistic expression, hobby projects

Advanced Features Usage

• Alchemy Enhanced: Use for highest quality commercial work
• Prompt Magic: Ideal for users wanting AI-assisted prompt optimization
• PhotoReal: Perfect for realistic photography needs
• Fantasy Avatar: Character generation with reference images
• Image Guidance: Maintain style consistency across image series

Tips for Best Results

Prompt Optimization

1. Descriptive Language: Use specific, detailed descriptions
2. Technical Terms: Include photography terms (aperture, lighting, composition)
3. Style References: Mention specific art styles, artists, or movements
4. Quality Keywords: Add terms like "high quality", "detailed", "professional"

Parameter Tuning

1. Guidance Scale:

   • 7-10: Balanced, recommended for most use cases
   • 11-15: Higher prompt adherence, more detailed
   • 1-6: More creative freedom, less prompt constraint

2. Inference Steps:

   • 15-20: Standard quality, faster generation
   • 30-50: Higher quality, more refinement
   • 50-60: Maximum quality, slower generation

3. Alchemy Settings:

   • Enable for commercial work requiring highest quality
   • Use PhotoReal for photographic realism
   • Combine with High Resolution for maximum detail

Advanced Workflows

1. Batch Generation: Generate multiple images (n=2-4) to compare results
2. Iterative Refinement: Use successful generations as init images
3. Style Consistency: Use fixed seeds for consistent results across series
4. Enhancement Pipeline: Combine Alchemy + Prompt Magic + High Resolution

Model Specifications

Specification	Details
Model Type	Leonardo Phoenix Next-Gen Model
Resolution Support	512x512 to 1024x1024
Aspect Ratios	Square, Portrait, Landscape
Enhancement Features	Alchemy, Prompt Magic, PhotoReal
Quality Features	High Resolution, High Contrast
Creative Features	Fantasy Avatar, Image Guidance
Processing Speed	Fast to Ultra-High Quality modes

Cost Optimization

For experimentation, start with 512x512 resolution and fewer images. Use higher resolutions and multiple generations for final production work.

Notes

Leonardo Phoenix Advanced Features

Leonardo Phoenix excels with advanced features like Elements, Alchemy, and Prompt Magic enabled. These revolutionary features significantly improve output quality and creative control, making Phoenix ideal for professional applications requiring maximum innovation.

PhotoReal Limitation

PhotoReal feature is disabled for the Leonardo Phoenix model due to compatibility constraints. Use other Leonardo models for PhotoReal functionality.

Prompt Magic Versions

• v2: Established prompt enhancement with proven results
• v3: Latest version with improved understanding and optimization (recommended)

Authentication

This endpoint requires an API key to be provided in the API-KEY header.

Response Format

{
"aiRecord": {
  "uuid": "e4f5g6h7-i8j9-0123-4567-890123defghi",
  "userId": "user-12345",
  "teamId": "team-67890",
  "model": "stable-diffusion-xl-1024-v1-0",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2025-01-15T10:50:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "Realistic portrait of a person in natural lighting",
      "size": "1024x1024",
      "n": 1
    },
    "resultObject": [
      "development/images/2025_01_15_10_50_45_001_portrait.webp"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_50_45_001_portrait.webp?X-Amz-Algorithm=AWS4-HMAC-SHA256&..."
}
}

Use Cases

• Professional Photography: High-quality portraits and commercial imagery
• Marketing Content: Product photography and advertising visuals
• Creative Projects: Artistic and conceptual image creation
• Content Creation: Social media and web content
• Prototyping: Visual concepts and design mockups

Tips for Best Results

1. Prompt Quality:

   • Use descriptive, specific language
   • Include lighting and composition details
   • Specify style preferences (photorealistic, artistic, etc.)

2. Batch Generation:

   • Generate multiple images (n=2-4) for variety
   • Compare results to select the best output
   • Use consistent prompts for style consistency

3. Professional Applications:

   • Include technical photography terms
   • Specify camera settings for realistic looks
   • Mention specific art styles or movements

Notes

Leonardo Phoenix Quality

Leonardo Phoenix represents the pinnacle of AI image generation technology, excelling at photorealistic generation, artistic versatility, and revolutionary creative control through the Elements system, making it ideal for cutting-edge commercial and creative applications requiring maximum quality and innovation.

Authentication

This endpoint requires an API key to be provided in the API-KEY header.