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Stability AI Integration - Quick Start Guide

🚀 Quick Setup

1. Install Dependencies

cd backend
pip install -r requirements.txt

2. Configure API Key

# Copy example environment file
cp .env.stability.example .env

# Edit .env and add your Stability AI API key
STABILITY_API_KEY=your_api_key_here

3. Start the Server

python app.py

4. Test the Integration

# Run basic tests
python test_stability_basic.py

# Initialize and test service
python scripts/init_stability_service.py

🎯 Quick API Reference

Generate Images

Text-to-Image (Ultra Quality)

curl -X POST "http://localhost:8000/api/stability/generate/ultra" \
     -F "prompt=A majestic mountain landscape at sunset" \
     -F "aspect_ratio=16:9" \
     -F "style_preset=photographic" \
     -o generated_image.png

Text-to-Image (Fast & Affordable)

curl -X POST "http://localhost:8000/api/stability/generate/core" \
     -F "prompt=A cute cat in a garden" \
     -F "aspect_ratio=1:1" \
     -o cat_image.png

SD3.5 Generation

curl -X POST "http://localhost:8000/api/stability/generate/sd3" \
     -F "prompt=A futuristic cityscape" \
     -F "model=sd3.5-large" \
     -F "aspect_ratio=21:9" \
     -o city_image.png

Edit Images

Remove Background

curl -X POST "http://localhost:8000/api/stability/edit/remove-background" \
     -F "image=@input.png" \
     -o no_background.png

Inpaint (Fill Areas)

curl -X POST "http://localhost:8000/api/stability/edit/inpaint" \
     -F "image=@input.png" \
     -F "mask=@mask.png" \
     -F "prompt=a beautiful garden" \
     -o inpainted.png

Search and Replace

curl -X POST "http://localhost:8000/api/stability/edit/search-and-replace" \
     -F "image=@dog_image.png" \
     -F "prompt=golden retriever" \
     -F "search_prompt=dog" \
     -o golden_retriever.png

Outpaint (Expand Image)

curl -X POST "http://localhost:8000/api/stability/edit/outpaint" \
     -F "image=@input.png" \
     -F "left=200" \
     -F "right=200" \
     -F "prompt=continue the scene" \
     -o expanded.png

Upscale Images

Fast 4x Upscale

curl -X POST "http://localhost:8000/api/stability/upscale/fast" \
     -F "image=@low_res.png" \
     -o upscaled_4x.png

Conservative 4K Upscale

curl -X POST "http://localhost:8000/api/stability/upscale/conservative" \
     -F "image=@input.png" \
     -F "prompt=high quality detailed image" \
     -o upscaled_4k.png

Control Generation

Sketch to Image

curl -X POST "http://localhost:8000/api/stability/control/sketch" \
     -F "image=@sketch.png" \
     -F "prompt=a medieval castle on a hill" \
     -F "control_strength=0.8" \
     -o castle_image.png

Style Transfer

curl -X POST "http://localhost:8000/api/stability/control/style-transfer" \
     -F "init_image=@content.png" \
     -F "style_image=@style_ref.png" \
     -o styled_image.png

Generate 3D Models

Fast 3D Generation

curl -X POST "http://localhost:8000/api/stability/3d/stable-fast-3d" \
     -F "image=@object.png" \
     -o model.glb

Generate Audio

Text-to-Audio

curl -X POST "http://localhost:8000/api/stability/audio/text-to-audio" \
     -F "prompt=Peaceful piano music with rain sounds" \
     -F "duration=60" \
     -F "model=stable-audio-2.5" \
     -o music.mp3

Audio-to-Audio

curl -X POST "http://localhost:8000/api/stability/audio/audio-to-audio" \
     -F "prompt=Transform into jazz style" \
     -F "audio=@input.mp3" \
     -F "strength=0.8" \
     -o jazz_version.mp3

📊 Monitoring & Admin

Check Service Health

curl "http://localhost:8000/api/stability/health"

Get Account Balance

curl "http://localhost:8000/api/stability/user/balance"

View Service Statistics

curl "http://localhost:8000/api/stability/admin/stats"

Get Model Information

curl "http://localhost:8000/api/stability/models/info"

🔧 Utilities

Analyze Image

curl -X POST "http://localhost:8000/api/stability/utils/image-info" \
     -F "image=@test.png"

Validate Prompt

curl -X POST "http://localhost:8000/api/stability/utils/validate-prompt" \
     -F "prompt=A beautiful landscape with mountains"

Compare Models

curl -X POST "http://localhost:8000/api/stability/advanced/compare/models" \
     -F "prompt=A sunset over the ocean" \
     -F "models=[\"ultra\", \"core\", \"sd3.5-large\"]" \
     -F "seed=42"

📋 Available Endpoints

Core Generation (25+ endpoints)

  • /api/stability/generate/ultra - Highest quality generation
  • /api/stability/generate/core - Fast and affordable
  • /api/stability/generate/sd3 - SD3.5 model suite
  • /api/stability/edit/erase - Remove objects
  • /api/stability/edit/inpaint - Fill/replace areas
  • /api/stability/edit/outpaint - Expand images
  • /api/stability/edit/search-and-replace - Replace via prompts
  • /api/stability/edit/search-and-recolor - Recolor via prompts
  • /api/stability/edit/remove-background - Background removal
  • /api/stability/upscale/fast - 4x fast upscaling
  • /api/stability/upscale/conservative - 4K conservative upscale
  • /api/stability/upscale/creative - Creative upscaling
  • /api/stability/control/sketch - Sketch to image
  • /api/stability/control/structure - Structure-guided generation
  • /api/stability/control/style - Style-guided generation
  • /api/stability/control/style-transfer - Style transfer
  • /api/stability/3d/stable-fast-3d - Fast 3D generation
  • /api/stability/3d/stable-point-aware-3d - Advanced 3D
  • /api/stability/audio/text-to-audio - Text to audio
  • /api/stability/audio/audio-to-audio - Audio transformation
  • /api/stability/audio/inpaint - Audio inpainting
  • /api/stability/results/{id} - Async result polling

Advanced Features

  • /api/stability/advanced/workflow/image-enhancement - Auto enhancement
  • /api/stability/advanced/workflow/creative-suite - Multi-step workflows
  • /api/stability/advanced/compare/models - Model comparison
  • /api/stability/advanced/batch/process-folder - Batch processing

Admin & Monitoring

  • /api/stability/admin/stats - Service statistics
  • /api/stability/admin/health/detailed - Detailed health check
  • /api/stability/admin/usage/summary - Usage analytics
  • /api/stability/admin/costs/estimate - Cost estimation

Utilities

  • /api/stability/utils/image-info - Image analysis
  • /api/stability/utils/validate-prompt - Prompt validation
  • /api/stability/health - Basic health check
  • /api/stability/models/info - Model information
  • /api/stability/supported-formats - Supported formats

💡 Pro Tips

Cost Optimization

  • Use Core model for drafts and iterations (3 credits)
  • Use Ultra model for final high-quality outputs (8 credits)
  • Use Fast Upscale for quick 4x enhancement (2 credits)
  • Batch similar operations together

Quality Tips

  • Include style descriptors in prompts ("photographic", "digital art")
  • Add quality terms ("high quality", "detailed", "sharp")
  • Use negative prompts to avoid unwanted elements
  • Optimize image dimensions before upload

Performance Tips

  • Enable caching for repeated operations
  • Use appropriate models for your speed/quality needs
  • Monitor rate limits (150 requests/10 seconds)
  • Process large batches using batch endpoints

🔗 Useful Links

🆘 Quick Troubleshooting

"API key missing" → Set STABILITY_API_KEY in .env file
"Rate limit exceeded" → Wait 60 seconds or implement request queuing
"File too large" → Compress images under 10MB
"Invalid dimensions" → Check image size requirements for operation
"Network error" → Verify internet connection to api.stability.ai

🎉 You're all set! The complete Stability AI integration is ready to use.