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04 / CardCat system
Collector to
collector.
Put selected cards in front of the hobby, receive offers, and keep every conversation connected to the card.
CardCat / Market
Market signal
Offer incoming.
CardCat charges no buyer or seller fees. External payment and shipping services may charge their own fees.
Live collection data
CC / 04
Inside the app
This is the
real workspace.
Built from real CardCat screens and cards from the CardCat catalog. Account credentials and private notes are never shown.
app.cardcat.io / market
CardCat workspace
Market
Discover cards from other collectors.
Search player, set, card #, seller...
Sport⌄
Price⌄
Newest⌄
NewShohei Ohtani
2026 · Topps · Series One · Base
Dodgers · Baseball · #200
Listed by @collector7
Asking
$2.00
Message seller
Make offer
Serial /299Pete Maravich
2024-25 · Panini · Prizm · Red Seismic
Jazz · Basketball · #278 · 087/299
Listed by @collector8
Asking
$5.00
Message seller
Make offer
NewDirk Nowitzki
2024-25 · Topps · Chrome · Blue Ball Refractor
Mavericks · Basketball · #197
Listed by @collector9
Asking
$3.00
Message seller
Make offer
How it moves
Three moves.
Zero mess.
- 01
Make it visible
Publish a prepared listing to the CardCat Market when you want collectors to find it.
- 02
Talk card-first
Messages and offers stay connected to the exact card instead of getting lost in a general inbox.
- 03
Close the loop
Accept the right offer and move the completed deal into your Sold history.
The hobby runs on connection.
What you get
- ↗No CardCat buyer or seller fees
- ↗Offers tied to the exact card
- ↗A clean trail from listing to sale
Keep exploring