Can I use Cash App without Plaid? (Quick Guide) If you're looking to add Cash App as a financial institution on Plaid, you'll first need to check to see if we support it. To do this, you can either enter your Cash App email address or phone number on our website or try connecting your Cash App account through our Plaid integration. Yes, it is possible to use Cash App without Plaid. However, if you want to connect your bank account or debit card to Cash App, you will need to use Plaid. Plaid is a financial technology company that allows you to link your bank account or debit card to Cash App. Without Plaid, you will only be able to use Cash App to send and receive money. https://cashapphone.com/blog/cash-app-on-plaid