Connecting to eBay
Connect your eBay seller account to Market Sync by choosing your eBay site, logging in with eBay and granting access. No API credentials needed.
You don’t need to create API keys in the eBay developer program: you simply log in with your eBay seller account from Market Sync.
Step 1 - Add the connection
Go to Connections in the app menu, click Add marketplace and choose eBay from the list of marketplaces (you can use the search field to find it quickly). Then click Connect eBay.

Step 2 - Choose your eBay site and start the authorization
The Add Ebay Connection window opens. Under Marketplace, select the eBay site you sell on (for example Germany or Great Britain) and click Start Authorization. You will be sent to eBay to log in.

Step 3 - Log in to eBay
Log in with the username or email address and password of your eBay seller account.
Step 4 - Allow access
eBay shows which permissions Market Sync requests. Click Agree to grant access.
You are sent back to Market Sync and the connection is created.
Please note
After adding the connection, the app imports your listings from eBay and matches them with your Shopify products using the matching method set on the connection (EAN to Shopify barcode, or SKU). Once the products are successfully linked, the orders will be imported.
Settings such as the order number prefix, order tags and stock locations can be changed afterwards in the settings of the connection.
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