Return GiftCard Account cards.
200 Success.
401 Unauthorized
Unexpected error
{- "gift_cards": [
- "string"
], - "gift_cards_amount": 0,
- "base_gift_cards_amount": 0,
- "gift_cards_amount_used": 0,
- "base_gift_cards_amount_used": 0,
- "extension_attributes": { }
}