AI Image Upscaling API

AI Image Upscaling API for Marketplaces

Upscale images 4× via API at $0.060 per image. Photoreal quality, no halos, edge preservation.

Why marketplaces teams choose PixelAPI

$0.060 per image — 4-5× cheaper than premium upscaling APIs.
500 free credits on signup — no credit card. Test on real marketplaces data before committing.
Fixed credit pricing — predictable per-call cost, no per-second billing surprises.
No cold starts — always-warm infrastructure, sub-5-second response.
REST API — works from any backend (Node, Python, PHP, Go, .NET).
GST invoice (India) — registered Indian business, GST-compliant invoicing.

How marketplaces workflows use AI Image Upscaling API

Upscale low-res photos for marketplace listings, restore old scans, prep social images for high-DPI displays. Pass an image; receive a 4× higher-resolution output URL. Typical integration: a single POST request, a public output URL in seconds, store in your CDN. No GPU infrastructure to maintain, no cold-start delays.

Code sample

curl -X POST https://api.pixelapi.dev/v1/image/upscale \
  -H "X-API-Key: $PIXELAPI_KEY" \
  -F "[email protected]" \
  -F "scale=4"

Pricing for marketplaces volume

Volume per month	Plan	Cost
Under 100 calls	Free tier	$0
~10,000 calls	Starter	$10/mo
~60,000 calls	Pro	$50/mo
~300,000 calls	Scale	$200/mo

FAQ for Marketplaces developers

Is the output quality production-ready for marketplaces?

Yes. Edge-preserving 4× upscaling. No halos around hair, fur, fine print, or thin lines. Output is print-ready at full 4× resolution. We process tens of thousands of marketplaces calls per day for paying customers.

What's the rate limit?

Free 10/min, Starter 60/min, Pro 300/min, Scale unlimited. Higher tiers available on request.

How does this compare to Topaz Gigapixel?

Topaz Gigapixel and Adobe upscaling are desktop-only or expensive subscriptions. Other upscale APIs charge $0.10-0.30/image. PixelAPI is $0.060 — half the next-cheapest API.

Try free — 500 credits, no card See pricing REST API docs