Topaz AI Image & VideoEnhancement API
Upscale and enhance images up to 12K resolution with industry-leading AI models. Production-ready REST API trusted by developers worldwide.


Professional Image Enhancement
Everything you need to enhance and upscale images in your application
Up to 12K Resolution
Enhance images to HD, FHD, 2K, 4K, 6K, 8K, or 12K resolution with AI-powered upscaling.
Smart Content Detection
Automatic content type detection: photos, illustrations, text documents, or standard images.
Face Enhancement
Optional face enhancement with multiple levels: off, subtle, moderate, or strong.
Multiple Output Formats
Export in JPEG, PNG, or TIFF formats to match your workflow requirements.
Production Ready
99.9% uptime SLA with automatic failover and load balancing for enterprise use.
Webhook Callbacks
Real-time notifications when your enhanced images are ready for download.
Simple Integration
Start enhancing images in minutes with our REST API
curl --location 'https://api.legnext.ai/api/v1/enhance-upscale' \
--header 'x-api-key: YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"image_url": "https://replicate.delivery/pbxt/Mto2sT3qwNZBRT3YMsI1TxiE3LWx0lECZYvV1TsjRDIZNFHN/0_2.jpg",
"content_type": "illustration",
"target_resolution": "4K",
"aspect_ratio": "keep",
"crop_mode": "letterbox",
"output_format": "jpg",
"face_enhancement_level": "off"
}'Parameters
- •image_url - Direct image URL or use jobId + imageNo for Midjourney tasks
- •target_resolution - HD, FHD, 2K, 4K, 6K, 8K, or 12K
- •content_type - standard, photo, illustration, text, or low_res
- •face_enhancement_level - off, none, subtle, moderate, or strong
- •output_format - jpeg, jpg, png, tiff, or tif
- •callback - Webhook URL for notifications
Response
Returns job ID. Poll the status endpoint to retrieve the enhanced image.
Built for developers
Better parameters than Replicate, Fal.ai, or Topaz's native API. Optimized for indie developers.
Simplified parameters
Intuitive options, sensible defaults. No complex configuration.
Developer-first
Clear documentation, straightforward responses.
Pricing
Pay per enhancement. No subscriptions, no commitments.
| Resolution | Long Edge | Cost | Recommended For |
|---|---|---|---|
| HD/FHD | 1920px | $0.12 | Web, social media |
| 2K | 2560px | $0.12 | Web, social media (default) |
| 4K | 3840px | $0.16 | Digital displays |
| 6K | 6144px | $0.20 | Professional printing |
| 8K | 7680px | $0.30 | Large format prints |
| 12K | 12288px | $0.54 |
API Capabilities
Complete control over image enhancement parameters
Resolution Options
Content Types
Enhancement Features
Output Formats
FAQ
How do I get started?
Sign up, get your API key, and make your first request. Code examples available in cURL, Node.js, Python, and PHP.
What resolutions are supported?
HD, FHD, 2K, 4K, 6K, 8K, and 12K. Processing time varies by resolution: 2K takes 30-60 seconds, 4K takes 60-120 seconds, 8K+ takes 2-5 minutes.
How much does it cost?
Enhancement tasks consume 80 credits in fast mode or 160 credits in turbo mode. Free tier includes 200 credits to get started.
What content types can be enhanced?
Photos, illustrations, text documents, standard images, and low-resolution images. Each content type uses optimized algorithms.
How does it work?
Send HTTP requests with your image URL and parameters. Returns a job ID immediately. Poll the status endpoint to retrieve the enhanced image when ready.
Is it secure?
HTTPS encryption, API key authentication, and secure webhook signatures. Images are processed securely and not stored beyond processing.
Enhance images at scale with AI-powered quality improvement.
Join thousands of developers using Topaz Enhancement API.