Step 1: If you're new to Unify and have not connected any stores, go to Step 2. If you are adding additional stores, go to your Connections Tab and click Add Sales channel.
Alternatively, click the Add sales channel button on the top right corner of Unify.
Step 2: Search for, and select Amazon/Amazon EU as your sales channel and click on the name of the channel when found. Click continue when done.
Step 3: Click on Get Credentials. You will then be taken to the Amazon / Amazon EU MWS portal in a new browser tab / window.
Step 4: On the Amazon/Amazon EU Website, enter your usename & password, then click sign in to continue.
Step 5: Click next on the MWS Developer info prompt.
Step 6: Accept the agreement and click next.
Step 7: Copy the Seller ID and the MWS Auth token and paste it into the relevant fields in the Unify browser tab/window.