Connecting marketplaces Connect where you sell, then choose where each card lists.
eBay
The main destination. Connect on the API credentials page, then run one-click setup — full walkthrough in the eBay setup guide.
Shopify
Connect your store on the API credentials page to also push listings to Shopify.
TCGplayer
A two-step connect: click the TCGplayer authorization link, then paste the code TCGplayer gives you back into the form on the API credentials page.
TikTok Shop
Connect via the TikTok Shop button on the API credentials page and approve access.
Choosing where a card lists
On the confirm page, pick the destination(s) for each card. It publishes to every selected, connected marketplace; if one fails the others still go through (see publishing errors).
Disconnecting
Each integration has a Disconnect button on the API credentials page.