Why are payments not debited from my bank account?

Provide Dwolla’s ACH ID to your bank to so that Dwolla has permission to debit your bank account.  The ID, used for whitelisting, is 945440567_ (note the underscore is actually a space). This ID is provided to financial institutions to enable ACH debits from a funding source via Dwolla’s payment processor. It’s crucial to include the space after the digits when whitelisting.