: You can link your checking account to services like PayPal, Venmo, or Cash App to shop at retailers that accept these apps.
: Services like Affirm or Sezzle often allow linking a bank account for interest-free installment payments. Where You Can Pay Directly with a Bank Account Assign a Checking Account as a Payment Option - Amazon.com buy stuff online with checking account
: Many sites allow you to enter your account and routing numbers at checkout to process a payment through the Automated Clearing House (ACH) network. : You can link your checking account to