Pyramid Comics & Cards review for Shopify Marketplace Connect

Jan. 8, 2026

I listed three items at the same time, all with a flat shipping rate clearly set in Marketplace Connect app. All three went live on eBay with no shipping charge applied. When one of the items sold, eBay collected $0 shipping, even though the app showed the correct rate in the listing settings. I contacted support I did everything support asked for: – Uploaded screenshots of the Shopify order – Uploaded screenshots of the eBay order – Uploaded screenshots of the Marketplace Connect shipping settings – Provided the SKU and order ID The evidence clearly showed the problem was not on my side. The app simply failed to pass the shipping cost to eBay. Instead of acknowledging this, the support rep dismissed the issue and even responded with “Whatt Code” when I said this needed to be escalated to their programming team. That kind of response is not only unhelpful but also unprofessional and it shows a lack of understanding of how serious this issue is. My problem involved a $10 item, but what happens when another seller lists a $100 or $1000 item and the app silently drops the shipping fee? This isn’t a minor inconvenience. It’s a systemic sync failure that can cost sellers real money. Nothing happens in a vacuum, and I’m not special, if it happened to me three times in a row, it’s happening to others who simply haven’t noticed yet. This is a coding issue, not a user error, and it should have been escalated immediately. I’m posting this review in hopes that someone higher up sees it and gets this in front of the engineering team to fix this app before sellers lose money.