Image Upscaler API

Increase image resolution up to 4x while sharpening detail and removing compression artifacts. Turn small, low-res, or pixelated images into crisp, print-ready photos in one API call — for e-commerce, marketplaces, and photo apps.

Endpoint

POST https://api.pixelapi.dev/v1/image/upscale

curl -X POST https://api.pixelapi.dev/v1/image/upscale \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "[email protected]" \
  -F "scale=4"

Pass a file as image or a URL as image_url. scale: 2 or 4, or set target_width/target_height.

Get the result

curl https://api.pixelapi.dev/v1/image/upscale/JOB_ID \
  -H "Authorization: Bearer YOUR_API_KEY"

Jobs run async on always-warm infrastructure — poll until status is completed. No cold starts.

What people use it for

Print-ready resolution from small product photos
Enhance user-uploaded images in apps
Restore detail in old or compressed images
Upscale AI-generated art for printing

Also see: Restore Old Photos • vs Topaz Gigapixel