Account token vs. Single use token vs. Security token
A permanent payment token that replaces card/bank account details. It uniquely identifies a payment account for a customer and can be used to take take API and batch payments. By using an account token you remove the need to store card/bank account details within your environment. It is valid until you disable it. It can be created by a Single use token.
Single use token
A nonce that is created by the Trusted Frame from your web application.
You will collect card/bank account details from a customer then create a Single use token and send it to your server instead of the payment account details. It is valid for 10 minutes. You can use a Single use token to create an Account token (registration of payment details) or take an API payment.