>Does Penny store my bank login information? >Penny never stores your bank login information. After she first establishes the connection to your bank, she gets a separate, secret >access code to retrieve your transactions from your bank. That way, she can access your transactions without ever needing your bank >account credentials again.
How does this work exactly? What about banks that do not have an API. I've been wanting to write a similar app for myself but see NO way to log-in securely if the bank does not offer an API.