What online stores take Cashapp? from Cash App Review's blog

You don't need to find out the specific online stores that accept Cash App payments. Because every online or offline store accepts payment from Cash App or Cash Card. Generally, all the stores that accept VISA Card, also accept payment using Cash Card or Cashapp. Hence, there is no need to locate the particular store. 

Cash App has a complete payment solution, one can make payment online or offline with a cash app. Whether it is restaurants bill, online shopping bills, or offline bill payments, everything is a process of a few clicks. Users can pay different kinds of bills easily. However, users should maintain balance in the Cash App account or linked bank account.