从他家网页上看，只能打电话查询。但是客服好像搞不清楚该怎么做，已经on hold快十分钟了，还没问卡号和PIN，不知在忙啥。
View Your Balance The following are ways to determine your Gift Card balance: (1) by going to your Chewy account at http://www.chewy.com , where all Gift Cards associated with your Chewy Account will be displayed along with total balance information; (2) by calling Chewy Customer Service at 1-800-672-4399; or (3) if you are purchasing through Guest Checkout, you can add your gift card information at checkout.