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Underpriced AI
Cross-Listing

List Once. Sell Everywhere.

One scan becomes a listing everywhere your buyers shop: straight to eBay, then Facebook, Poshmark, Mercari, Depop, Vinted and more.

One-Click Cross-Listing

With our free Chrome extension, one click on any item opens the marketplace's own create-listing form and fills it for you: title, price, description, and every photo. You pick the category, give it a once-over, and click Post.

Facebook Marketplace

Full form fill including condition. Local buyers, zero fees.

Poshmark

Title, price, description, photos. You pick size & brand and share.

Mercari

Filled and ready. Add category and shipping, then List.

Get the free Chrome extension

eBay and Bonanza listings post directly (Discogs too, for records). For Poshmark, Mercari and Facebook, our desktop Chrome extension fills the form for you; on your phone we copy each field for you to paste.

eBay

Direct eBay & Bonanza Publishing

eBay goes even further than one click on a form. We publish through eBay's own API to 10 country sites (US, UK, CA, AU, DE, FR, IT, ES, NL, BE), fixed price or auction, live or scheduled. Then manage the listing without leaving the app: reprice, edit the title and description, push new photos, set Best Offer auto-accept rules, end, or relist. Bonanza publishes directly too, and so does Discogs for records.

  • Publish in a couple of taps from any scan
  • Calculated shipping, so the buyer pays exact postage
  • Auction with reserve and Buy It Now
  • Full listing management after publishing

Never Double-Sell

The scary part of cross-listing is selling the same item twice. When your item sells on eBay, we detect it automatically. You get a reminder to take down your Facebook, Poshmark, Mercari, and other listings before a second buyer pays for something that's already in a box.

Your accounts stay yours

Everything runs in your own browser, in your own logged-in sessions. We never see or store your marketplace passwords, and nothing is ever posted without you clicking Post yourself.

On your phone

Phones can't run the extension, so on a phone each item has a copy kit instead. Tap "Copy it step by step": save the photos first, then copy each field in the order that marketplace's form asks for it, and open the app to paste and post it yourself. It covers Poshmark, Mercari, Facebook, Depop, Vinted and OfferUp.

Your buyers are on eight marketplaces. Your listings should be too.

Scan an item free. The price, the listing, and the cross-listing are all one flow.

Try a free scan