Google will not allow you to start advertising using Google Shopping until you verify and claim your webstore's URL.
Here are instructions:
- Log into your Google Merchant Center account
- Click Business Information
- Click Website
- Follow the instructions (HTML or Alternate method)
- Click "Verify & Claim"
- You will also want to complete the About your business section.
If you would like Zentail to assist, you will need to provide us with login access to your shopping cart (Shopify, Bigcommerce, Magento).