A method and apparatus for authenticating a user commerce account associated with a merchant of a commerce platform are described. The method may include initiating authentication of the user commerce account associated with the merchant of the commerce platform from a commerce platform user interface of a user device, the user commerce account established for a user of the merchant. The method may also include sending an electronic message to a mobile device associated with the user account at the commerce platform, wherein the electronic message comprises an authentication code, and receiving the authentication code from the commerce platform user interface. Furthermore, the method may include generating an authentication key for the mobile device in response to matching the received authentication code with the sent authentication code and receiving a cookie provided from the commerce platform to the mobile device.