Browse to the URL below
Above link will take you to the ChannelAdvisor login page.
Login with your ChannelAdvisor credentials
After logging in you will be presented with a prompt to give access to “SKUmagic Integration”, as pictured below
Select the account that you would like to give access to and hit the “Grant Access” button
This will then redirect you to a developer console page which will show the Access Token and Refresh Token, as pictured below.
Please provide the refresh token to SKUmagic