Shopify Marketplace Connect

My products do not exist in Amazon, it is assumed that new ASINs must be created, now I get this error: include the following attributes: product_type. Feed ID: 0. For more troubleshooting help, see
  the support does not look how to solve it, nor do they look at the emails that I have sent, calling Amazon repeatedly to tell me what is the problem of this application ... if it keeps giving me errors they will block my account ... if you put a negative comment they call you to take it away, but they do not look at what happens or explain anything to you

I installed this app to connect with Amazon.au on my recently launched Shopify store (switched over from Neto) and had no end of trouble. Only about 20 of my 600+ products were successfully synchronizing (all orders were synchronising properly) - so it was clear that the app was connecting to Amazon but Codisto could not work out why the other products weren't synching. I had previously listed to Amazon via my previous Neto store without a problem so all my product data in Shopify and my products in my Amazon account are fine (GTIN, images, pricing etc). Numerous email exchanges with tech support only produced progressively less realistic solutions to solve the problem, culminating in Codisto saying "everything looks fine at our end so there isn't a problem". Which is obviously not the case. Some of the suggestions were to change things in my product data for things that are not even used by Amazon to synchronise listings or were fine when it was Neto talking to Amazon but didn't work when it was Codisto talking to Amazon. Yesterday I deleted the app and installed a competitor's app which works perfectly. A couple of minutes updating settings and within half an hour all my products were successfully synched with Amazon. This shows that the problem was not with my products and not with Amazon - it is clearly a problem with Codisto but they refused to acknowledge it (or their tech support people are insufficiently experienced to resolve the issues they are employed to resolve). I can't fault the tech support people for their efforts to solve the issue but there is clearly something wrong with the software and their training to identify why some items were synching and most weren't (and all my products are the same brand/product type/Amazon category etc so it's not as though my problems were due to variations in what I am listing to Amazon). As a final note, Codisto really needs to install a text chat system or phone clients to talk through the problem in real-time. It is very hard to troubleshoot issues like this via email. (additional comment in response to Codisto reply) Given my products all synched properly previously with Neto and then later with an alternative Shopify app, then there is clearly something wrong with your software. To claim you are confident there is nothing wrong just sums up the problems with your service. Your customer service team is poorly trained and unwilling to acknowledge there was a problem.

This app has stopped us from getting any sales on Amazon for 6 months. Its help center has had 6 months to resolve it and is still unresolved. Their help center keeps saying to reauthorize Amazon, which we have done (more than 20 times) and it still keeps advising the same issue. Our Amazon store is working perfectly. Nothing wrong there, only the app.

does not seem to work for us. customer service has been incredibly unhelpful.

This app has published the same items to Etsy several times, I received a huge bill to pay from Etsy for those duplicated listing fees plus the time I spent to delete them from Etsy shop.

doesnt work good , too slow , requires a lot of fields that are already on Shopify to be filled manually , doesnt respond , in general not good

Since transitioning from Codisto to Marketplace Connect, we've encountered several issues with core functionality, including the inability to use HTML in descriptions, position photos, or fix variation pricing. This caused significant disruption, requiring 48 hours of downtime and 2 days to manually fix listing errors. While we appreciate the support team's acknowledgement of the issue, a faster resolution is crucial. We recommend prioritizing fixing these core functionalities and consider integrating with other listing management tools until stability improves. We hope Marketplace Connect can regain its potential as a valuable tool for eBay sellers

The staff is very friendly and answered my questions very fast but could not help me at all. 6 times eBay locked my account and 6 times I had to call eBay and ask for unlocking my account. Just embarrassing. This app definitely does not work properly.

I tried it 8 days. They are supposed to have a 14-day free trial, but they charge you $29 from the first day. They lie.

Amazon - The Stock doesn't sync correctly, Prices don't sync correctly, and after 4 hours of support, they have got no where and have no idea what is wrong with their own app and we have run out of time. I believe the App is no longer fit for purpose, and now looking for an alternative.