Hey is there a way I can post my product on eBay from Shopify
Hello @Aymz
You absolutely can do it, pls follow this blog to do it : https://www.shopify.com/blog/shopify-ebay-integration
In the article, there are all the installation steps so you can setup and sell products on eBay.
I hope the above is useful to you.
Best regards,
GemPages Support Team