How to disconnect ShoppeDance VeriSync with Shopify Shop?
Log into Shopify store->Settings->Apps and sales channels->Uninstall
If you connect Shopify manually, you can refer to this link to uninstall: How to Connect Shopify Store with ShoppeDance VeriSync Manually？
How to disconnect ShoppeDance VeriSync with Squarespace?
Log into Squarespace store->Settings->Third party tools->Extensions->Connected Extensions->TikTok Shop by ShoppeDance->DISCONNECT
How to disconnect ShoppeDance VeriSync with TikTok Shop?
Log into TikTok Shop Seller Center > Growth > Apps & Services > My Apps & Services > Cancel
Then you can re-install it to connect with TikTok Shop