Each card object can include a fulfillment.shippping.recipient_address object that defines the address to which the physical card is shipped upon fulfillment.
If no recipient_address is specified for the card, then the recipient_address of the card product is used.
For an address to be valid, it must include values for the address1, city, state, and postal_code fields. The country is assumed to be USA if the country field is unpopulated.
Note: The user object also includes address data (distinct from recipient_address). The Marqeta platform uses the address for Know Your Customer (KYC) and Address Verification Service (AVS) purposes, not as a shipping address.
For more information, see Cards in the Core API Reference.