pth.bz — Short Links & QR Codes API

pth.bz provides a simple JSON API to shorten links, create interstitial redirect pages, and generate high-res PNG QR codes. Make permanent 301 or JS interstitial links via POST /api/shorten {url}, then access QR codes via /?qr=CODE or /?qi=CODE with &px=200–2048 for sizing. Supports CORS, no auth needed. Limits: 30 reqs per 10 mins per IP, URL <=2000 chars.