The URI format is described here: https://github.com/google/google-authenticator/wiki/Key-Uri-Format https://github.com/google/google-authenticator/wiki/Key-Uri-Format
To change the application name, use the issuer. To display user-specific account details (e.g. email address), use the label field.
In Speakeasy, pass the issuer and label options to otpauthURL({…}).
Originally posted by @mikepb in #68 (comment)