TD Ameritrade Authenticator

Add an additional layer of security to your TD Ameritrade accounts with our Authenticator app.

This app will allow you to register your mobile devices to approve login requests via push notifications.

Once you download the app, please login using your TD Ameritrade username and password and you’re all set.

Another way TD Ameritrade has your back.

This is not an offer or solicitation in any jurisdiction where we are not authorized to do business or where such offer or solicitation would be contrary to the local laws and regulations of that jurisdiction, including, but not limited to persons residing in Australia, Canada, Hong Kong, Japan, Saudi Arabia, Singapore, UK, and the countries of the European Union. Show More