GuestShippingInformationManagementInterface
Magento\Checkout\Api\GuestShippingInformationManagementInterface
What it does
This interface defines the contract for saving shipping address and shipping method information for guest customers during checkout.
Developers use this when building checkout customizations or integrations that need to store shipping details for non-logged-in customers, typically before proceeding to payment.
It accepts a guest cart ID and shipping information, then returns payment details including available payment methods.
Public Methods
- saveAddressInformation()