This is the Shopify documentation for Sello’s app ChannelConnector that is used to connect your Shopify webshop with Sello and the marketplaces Sello supports. We will go through all necessary steps of installing the app in your webshop, pushing your products to Sello for a selected marketplace and looking at how orders are managed in Shopify for the marketplaces.
You need to combine the app with the Sello platform if needed. To work with your marketplaces from the Sello platform is better then if we would try to implement a interface for this in Shopify for Sello and your marketplaces. The app will send all product data to Sello and the Sello platform will push the data from your Sello account to the desired marketplaces.

You will need to have the following for setting up Shopify, Sello and a marketplace. First of all you will need a Shopify webshop, then you will need to register a Sello account and choose what marketplace you want to sell at, the last thing will be to installing the ChannelConnector app for Sello and connecting Shopify to your Sello account which is connected to your e-commerce marketplace.
Go to and register your Sello account – it is totally free. There are a couple of steps when registering, you add your account details, choose what marketplace to sell at and add your URL (web address) to your webshop.
When you register a Sello account you can choose one marketplace to sell at – If you want to add more marketplace to use with Sello you can do this afterwards from you settings page in Sello – See the Sello help portal.
To install the ChannelConnector Shopify App for Sello you need to go to a specific app page for our Shopify App. You then install our App with entering your special Shopify web address – Follow these instructions.
  1. Go to:
  2. Enter your Shopify address to the input field
  3. Click the Install button
When the ChannelConnector app is installed you need to connect ChannelConnector to your Sello account. This is really easy to do in Shopify admin.
  1. Go to Apps page
  2. Click Connect to Sello button
  3. Sign in with your Sello account credentials
Working with products in Shopify for Sello and your marketplace is as simple as it gets. You do not have any Shopify interface for managing your marketplace because all product management is done in the Sello platform. When you install and connect ChannelConnector to Shopify for your Sello account we will export all Shopify products to Sello where you then will do all product management for your marketplace.
When connecting the ChannelConnector App to Sello we will export all your Shopify products to Sello and create them in the Sello platform for your account. When products are changed in Shopify we will only update the stock on the product in Sello. All product management for your marketplace is done in the Sello platform and the Sello inventory page. When you create new products in Shopify they will be created automatically in the Sello inventory platform.
Products will be exported to your Sello account – You will then need to finalize them in Sello inventory platform and make them ready for your marketplace. You will need to choose to activate the products, set category for your marketplace, adjust your pricing or add some additional data to your products. We found that this is much easier to do in the Sello platform then to try to implement a interface in Shopify – This is why you need to do all your product management in Sello – Like this.
  1. Login to your Sello account (
  2. Go to your Inventory page
  3. Click Edit on a product
  4. Do all your edits to the product (activation, price, category, text, etc)
  5. Choose to Save your product
The Sello platform offers lot’s of very smart and efficient ways of editing your products – You can read more about Sellos inventory features in the Sello help portal. For example you can bulk-edit products, this is great for mapping your products to marketplace categories or you can use our smart Excel sheet update feature to do mass updates to products.
When orders are placed on your marketplace you choose to sell at Sello will automatically import the order from your marketplace into Sello – Sello will then create this order in your Shopify order page and deduct the sold item on your inventory stock in Shopify. You can choose to use your Shopify order page for managing your orders or you can login to your Sello account and manage your orders directly in the Sello platform.
When Sello create your marketplace order in your Shopify you can start managing your new order. Orders are sent to Shopify within a few minutes after Sello imports them from your marketplace. Order management for your marketplace orders are done as usual in your Shopify order list – However you can choose to do your order management directly in your Sello account.
  1. Login to your Shopify webshop
  2. Go to the page Orders (All orders)
  3. Select a order in the order list
  4. Add your tracking number if needed
  5. Choose to fulfill your order
When order is managed the ChannelConnector App will push this information to your Sello account and Sello will forward it to your marketplaces.
All Shopify webshops are not created equal and this sometimes cause difficulties with getting the ChannelConnector app to work properly. We have tried to use the most modular code setup for the app as possible to make it work on a very broad spectrum of Shopify setups – But sometimes it is not enough to make things work for all webshops.
Sello offers free support and technical troubleshooting for all our apps / modules / plugins – If you find a bug or you are having trouble to get the plugin to work property with your shop we can assist you in trying to resolve the issue – We have many years of experience in working with these webshop platforms and we can probably help you solve the issue or come with a qualified recommendation in resolving the issue if you want to work with our IT-technicians.