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GPT Image 1 Mini - Image Generator

Generate high-quality images from text prompts using OpenAI's cost-effective GPT Image 1 Mini model. Perfect for rapid prototyping, iterations, and cost-sensitive projects while maintaining good image quality across multiple quality levels.

Endpoint

Request Headers

FieldValue
API-KEY<api-key>
Content-Typeapplication/json

Parameters

ParameterTypeRequiredDescription
typestringYesFeature type identifier. Must be IMAGE_GENERATOR
modelstringYesAI model identifier. Must be gpt-image-1-mini
promptObjectobjectYesConfiguration object containing all generation parameters

Prompt Object Parameters

ParameterTypeRequiredDescriptionDefault
promptstringYesText description of the image to generate-
nnumberNoNumber of images to generate (1-10)1
sizestringNoImage dimensions1024x1024
qualitystringNoImage quality levelmedium
output_formatstringNoOutput format for the generated imagepng
output_compressionnumberNoCompression level (0-100, higher = better quality)85
backgroundstringNoBackground mode for transparent subjectsopaque

Supported Image Sizes

SizeResolutionAspect RatioBest For
1024x10241024×10241:1Square images, social media posts
1024x15361024×15362:3Portrait orientation, tall images
1536x10241536×10243:2Landscape orientation, wide images

Quality Options

QualityDescriptionUse Case
lowFast, cost-effective generationQuick prototypes, multiple iterations
mediumBalanced quality and speedMost use cases, good quality
highEnhanced quality with good detailProfessional work, final assets

Output Format Options

FormatDescriptionBest For
pngLossless format with transparency supportProfessional use, highest quality
jpegCompressed formatWeb optimization, smaller files
webpModern format with superior compressionWeb applications

Background Options

BackgroundDescriptionUse Case
opaqueSolid background (default)Standard images, no transparency needed
transparentTransparent background for supported subjectsLogos, cutouts, compositing

Code Examples

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "IMAGE_GENERATOR",
"model": "gpt-image-1-mini",
"promptObject": {
"prompt": "A cozy coffee shop interior with warm lighting and plants",
"n": 2,
"size": "1024x1024",
"quality": "medium",
"output_format": "png",
"background": "opaque"
}
}'

Interactive Playground

API Playground

https://api.1min.ai/api/features
Describe the image you want to generate
Number of images to generate (1-10)
Choose image dimensions and aspect ratio
Image quality level
Format of the output image
Compression level (0-100, higher = better quality)
Background mode for transparent subjects

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": "gpt-image-1-mini",
"promptObject": {
"prompt": "A cozy coffee shop interior with warm lighting and plants",
"n": 1,
"size": "1024x1024",
"quality": "medium",
"output_format": "png",
"background": "opaque"
}
}'

Response Format

{
"aiRecord": {
"uuid": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"userId": "user-12345",
"teamId": "team-67890",
"teamUser": {
"teamId": "team-67890",
"userId": "user-12345",
"userName": "John Doe",
"userAvatar": "https://example.com/avatar.jpg",
"status": "ACTIVE",
"role": "ADMIN",
"creditLimit": 100000000,
"usedCredit": 11000,
"createdAt": "2025-01-01T00:00:00.000Z",
"createdBy": "SYSTEM",
"updatedAt": "2025-01-15T10:30:00.000Z",
"updatedBy": "SYSTEM"
},
"model": "gpt-image-1-mini",
"type": "IMAGE_GENERATOR",
"metadata": null,
"rating": null,
"feedback": null,
"conversationId": null,
"status": "SUCCESS",
"createdAt": "2025-01-15T10:30:00.000Z",
"aiRecordDetail": {
"promptObject": {
"prompt": "A cozy coffee shop interior with warm lighting and plants",
"n": 2,
"size": "1024x1024",
"quality": "medium",
"output_format": "png",
"background": "opaque"
},
"resultObject": [
"development/images/2025_01_15_10_30_15_001_coffee_shop.png",
"development/images/2025_01_15_10_30_15_002_coffee_shop.png"
],
"responseObject": {}
},
"additionalData": null,
"temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_30_15_001_coffee_shop.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=EXAMPLE_CREDENTIAL&X-Amz-Date=20250115T103000Z&X-Amz-Expires=604800&X-Amz-Signature=example_signature&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject"
}
}

Use Cases

  • Rapid Prototyping: Quick visual concepts and iterations
  • Content Drafts: Initial design ideas and mockups
  • Educational Projects: Student work and learning exercises
  • Brainstorming: Visual exploration and ideation
  • A/B Testing: Generate multiple variations for testing
  • Presentations: Quick visuals for slides and reports
  • Practice and Exploration: Experiment with different styles and concepts
  • Social Media: Cost-effective content creation for regular posting