Synchronisation between your store and WebInterpret is impossible without a linked token. We recommend reading our FAQ on tokens.
The simplest way to check if your connection with eBay is authorized is to log into your WebInterpret Dashboard here. If your connection is linked, nothing will happen. You will simply see our dashboard. If token has been unlinked, a message will appear asking you to relink your token. Alternately, you can do the following to check if your token is authorized...
Go to your eBay account's Third-party authorizations section by doing the following:
1) Log in to your eBay account then go to Account Settings > Account > Site preferences
2) Then scroll down to General Preferences > Third-party authorisations. If your connection is active you will see Webinterpret in the list of authorised third-party apps.