GradeThread

Reselling

Cross-list from Vinted to Mercari

A Vinted listing is read out of Vinted by the extension, checked once in FlipDesk, then filled into Mercari's own form by the browser extension — with the condition grade traveling with the item.

Getting the item out of Vinted

The extension reads your own Vinted closet and imports each listing as a FlipDesk item, with its photos, title, description and price.

What Mercari needs

  • Photos: Mercari takes up to 12. If the item has more, the first 12 go, cover photo first.
  • Title: 80 characters (Vinted allows 60, so a long title is trimmed rather than cut mid-word).
  • Condition: Mercari has its own list (New, Like new, Good…), so the condition is mapped rather than copied.
  • Size: every destination asks for its own size field. FlipDesk keeps the measurements with the item, so the size is filled from what you measured once rather than retyped.

Mercari has no listing API for sellers. The GradeThread browser extension fills Mercari's own listing form in your logged-in tab, and you press post.

Account risk. Poshmark, Mercari, Depop, Grailed, Facebook Marketplace and Vinted have not approved GradeThread or tools like it, and can limit or permanently ban an account they decide is automated. Vinted also allows only private sellers on a standard account.

The grade travels with the item

The listing that moves is not just words and photos. GradeThread grades the garment once on a published 1.0–10.0 scale and mints a certificate the buyer can check, and that grade rides into every channel the item is listed on — Mercari included. It is the part a crosslisting tool cannot copy across for you, because it has nothing to copy: condition is the seller’s own word everywhere else.

Questions sellers ask

Does the listing get removed from Vinted automatically?
Not unless you ask for it. Cross-listing puts the item on Mercari while it is still up on Vinted. When it sells on either one, FlipDesk ends the other listing so the same garment is not sold twice — on the channels with no API, that end runs in your own browser too.
Do my photos come across?
Yes. The closet import brings Vinted's own copies of your photos over with the listing, and Mercari gets them in order, cover first.
What about going the other way, Mercari to Vinted?
Same tool, different direction — cross-list from Mercari to Vinted.

Ready to Grade Smarter?

Join resellers who trust GradeThread to standardize condition grading, build buyer confidence, and sell faster.

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The GradeThread extension fills Mercari's own listing form from your Vinted item, in your logged-in tab.

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