This is true

https://www.apple.com/legal/privacy/data/en/apple-pay/

> Information Shared When You Make a Payment

> When you begin a payment within an app, on the web, or within Apple Messages for Business using Apple Pay, to enable tax and shipping cost calculation your zip code, postal code, or other equivalent information is provided to the app, website, or merchant. After you authorize the payment, other information requested by the merchant, such as a device- or merchant-specific account number, your shipping address, or email address, is also provided.