- Google Ads account
- credit card
- list of approved Shopping policies
- Google My Business account
Explanation: Shopping ads are ads that include rich product information, such as product image, price, and merchant name. This ad format uses the data attributes from the product information you submit in your Merchant Center data feed.
You will need an AdWords account that is linked to your Merchant Center account in order to set up your Shopping campaign. This allows your Shopping campaign to use the product data you submit in your Merchant Center account.
Read more here: https://support.google.com/merchants/answer/2660968