Help centre
How Demondex works
Everything about tracking your collection, where our prices come from, buying and selling cards, getting paid in KBucks and what Demondex Pro adds.
Getting started
What Demondex is and what you can do without paying anything.
Market values & price history
Where every number on the site comes from.
Buying cards
Orders, shipping, payment and what to do if something goes wrong.
Selling your cards
Listing on the marketplace, approval, commission and instant Sell Now offers.
KBucks & payouts
How you get paid for what you sell.
Demondex Pro
What the membership unlocks and how the free month works.
Account & support
Signing in, notifications and getting help.
Still stuck?
Start with the catalog to see live values, or compare what Pro unlocks.