ScanJunki

Updates

What's new in ScanJunki. Follow along as we build.

v0.3.028 March 2026

Full auth system, Google sign-in, and onboarding

  • Sign up with email/password or Google
  • 2-step onboarding: choose your eBay marketplace, then link your eBay account
  • eBay account linking via OAuth
  • Session management with auto token refresh
  • Scan page now requires sign-in
v0.2.028 March 2026

SellerAmp-style layout, profit calculator, and settings

  • Quick info panel: estimated sales, max cost, profit, and ROI at a glance
  • Full profit calculator with cost and sale price inputs
  • Category-specific eBay fees for UK, US, DE, and AU
  • Promoted Listings advertising fee support
  • Settings modal: VAT rate, ad fees, shipping cost
  • Top 5 competing offers with links to eBay
  • Price distribution chart for active listings
  • 30/60/90 day chart period toggles
v0.1.028 March 2026

Initial release

  • Barcode scanning via UPC/EAN input
  • eBay Browse API product lookup with keyword fallback
  • Active listing prices and competition data
  • Basic profit calculator with VAT support
  • 8 eBay marketplace configs (UK, US, DE, AU, FR, IT, ES, CA)
  • Pastel blue design system
  • Deployed to Vercel at scanjunki.com