[cr7pt0]

FYI OnlyKey already supports TOTP for up to 24 accounts. No apps required OnlyKey types the 6 digit code for you.

[idlewords]

You need it for when you lose the key.

[allset_]

How does it know which OTP to type?

[cr7pt0]

You load the login data to your key using the app, press a button on your OnlyKey and it types any or all of the following: -URL to login page -Username -Password -TOTP

To watch setup videos see https://onlykey.io/watch