If none of your items are syncing, then try each of these solutions in this order to trigger a sync.
- Turn the Sync Updates to Existing Listings… setting off and on. Try to sync.
- Reset your webhooks at the bottom of the settings page. Try a resync.
- Update your API key.
- Log into your Reverb account, go into your Reverb settings, select Generate New API Key, copy and paste the key into this apps settings menu. Try to Resync.
- Reinstall the application.