Gmail App Password Guide
fusioniuApi reads your Gmail inbox via IMAP to detect FamPay payment emails. Google requires a special App Password for this — your normal password won't work.
Enable 2-Step Verification
Go to your Google Account → Security → 2-Step Verification, and turn it ON. App Passwords are only available with 2FA enabled.
Open Google SecurityOpen the App Passwords page
Visit Google's App Passwords page directly. You'll be asked to re-enter your Google password.
Open App PasswordsCreate a new App Password
In the "App name" field type something like "fusioniuApi", then click Create.
Copy the 16-character password
Google shows a 16-character password in a yellow box. Copy it (you'll never see it again). Spaces don't matter — fusioniuApi strips them automatically.
Use it as the apppass parameter
Pass this 16-character password as the apppass query parameter on the /check endpoint. Your normal Gmail password will NOT work.
Security note
fusioniuApi never stores your Gmail credentials. They are used only for that single IMAP request and discarded immediately. You can revoke an App Password anytime from Google → Security → App Passwords.