Log in to your Checkbook.io account.
Go to "Settings" on the bottom left-hand side of the page.
When in Settings, click on the "Accounts" tab.
When in Accounts, click "Add Account".
We recommend attempting to add your bank account with Instant Verification.
If Instant Verification does not work for you, please choose Manual Verification.
If you are an individual adding a Personal Bank Account, select 'Individual'
If you are a business adding a Commercial Bank Account, select 'Business'
Follow the prompts displayed to go through the account verification process.
Please ensure the "Default" toggle is on for the desired bank account.
You can follow these instructions to delete your old bank account information.