card_id: UUID of the virtual card to convertidempotency-key header: UUID to ensure idempotency of the requestcity: Delivery city for the physical cardsession_id: Session ID (cardIssuanceId) to use for completing the conversion400 INVALID_INPUT: Invalid request body or parameters400 INVALID_CITY: Invalid city provided404 CARD_NOT_FOUND: Card does not exist409 CARD_TYPE_CONFLICT: Card is already a physical card412 CARD_STATUS_NOT_ALLOWED: Card is not in ACTIVE status412 INVALID_CARD_STATUS: Card status is invalid for this operation503 SERVICE_UNAVAILABLE: Service temporarily unavailable