Heystack

How to Add eBay Store Categories to Your Listings

March 25, 2026

Screenshot of the HEYSTACK interface showing how to add eBay store categories to listings, with navigation instructions highlighted.

Screenshot of an interface showing the process of selecting a store category in eBay for consignments, with dropdown options for various categories.

Instructions for assigning store categories in eBay, highlighting options to select card types and saving the mappings.

Screenshot of eBay store category mapping interface with instructions to assign categories, including Sports Cards and gaming options, along with a 'Save Mappings' button.

Screenshot of an eBay store category mapping interface, with options for assigning categories like Baseball, Basketball, and Football.

Editing Title Templates in Stack Settings

March 19, 2026

Screenshot of a Stacks page in a software application, showing how to access settings for creating title templates. Includes a list of stacks with options for actions and a highlighted 'Settings' button.

Screenshot of Stack Settings in Template Studio, highlighting the 'Add' button to create a new client template.

Screenshot of a user interface for editing a client template, showing fields for naming the template and selecting a category to apply from a dropdown list, including options like Baseball, Gaming, and Soccer. A 'Save Template' button is highlighted.

Editing interface for a title template in a client management system. Instructions are provided for customizing the order of brackets in primary and secondary titles. Includes sections for template name, applicable category, and a preview of the title display.

Screenshot of a 'Stack Settings' interface displaying the 'Template Studio' section with an emphasis on the new 'TCG Gaming' template.

Screenshot of a user interface for editing title templates in stack settings, showcasing different card types with a list of unmatched and matched cards.

Heystack Sellers Dominate eBay’s Most-Watched Card Auctions

February 26, 2026

Graphic highlighting that 7 of the top 8 most watched card auctions on eBay are listed through Heystack, featuring various sports trading cards with prices and details.

The Cardboard Connection’s Top 100 eBay card auction tracker highlights the most-watched sports cards currently on the market. In this week’s update, seven of the top eight most-watched eBay card auctions are listed through Heystack, underscoring the platform’s growing presence in the hobby.

#1 Most-Watched Card on eBay

2024 Upper Deck Macklin Celebrini Outburst Red Young Guns RC /25
Seller: Slab Sharks
404 watchers | $12,141.16 current bid

2024 Upper Deck hockey trading card featuring Macklin Celebrini, labeled as Young Guns, with a red burst background, auction details from Slab Sharks

The ultra-rare Celebrini rookie leads all auctions in visibility and bidding activity.

Other Top eBay Card Auctions Powered by Heystack

2005 SP Authentic Sidney Crosby Future Watch Auto RC PSA 9 Auto 10

Slab Sharks | 249 watchers | $6,646.92

A 2005 SP Authentic trading card featuring Sidney Crosby, labeled as #181, showcasing an autograph and graded PSA 10. The card highlights Crosby as a rookie with the Pittsburgh Penguins and is for sale with a bid price.

2009-10 Topps Stephen Curry Gold Rookie PSA 9 (#/2009)

MC Sports Cards | 247 watchers | $13,801.00

2009 Topps Stephen Curry rookie card #321 in mint condition, PSA graded 9, featuring a gold border.

1997-98 Skybox Premium Kobe Bryant Star Rubies BGS 8 (#/50)

MC Sports Cards | 241 watchers | $9,200.00

A graded sports trading card of Kobe Bryant from the 1997-98 SkyBox Premium series, labeled as #226 with a grade of 8. The card features a holographic background and showcases Bryant in a Los Angeles Lakers uniform.

2013 Bowman Chrome Draft Aaron Judge RC Auto PSA 10

PC Sports Cards | 206 watchers | $6,500.00

2013 Bowman Chrome baseball card featuring Aaron Judge with a blue autograph, graded PSA 10, displayed in a protective case.

2025 National Treasures Shedeur Sanders Gold Vinyl RPA Shield 1/1

dcsports87 | 202 watchers | $10,100.00

2025 National Treasures football card featuring Shedeur Sanders with a gold vinyl design, rookie patch, and an autograph, displayed on a black background.

2021-22 Panini Immaculate Jokic / Doncic / Nowitzki Triple Auto /10

MC Sports Cards | 201 watchers | $4,600.00

A sports trading card featuring signatures from Luka Doncic, Dirk Nowitzki, and Nikola Jokic, with a limited edition numbered 2/10. The card is encased in a protective holder and displays the Panini Immaculate branding.

From iconic rookie cards to modern ultra-rare patch autos, Heystack is powering the sellers driving some of the most-watched sports card auctions on eBay.

Heystack powers consignors, card shops, breakers, and dealers with tools built to increase efficiency and maximize performance across marketplaces.

To learn how Heystack can help grow your card business, contact hello@heystack.tech.