Embodiments of a method and system for user payment account management in a networked system are disclosed. User information regarding a user, an account identifier, and a server location may be received from a merchant application. The account identifier may identify the user to the merchant application. An underwriting process may be initiated using the user information to determine whether to establish a user payment account for the user. The user payment account may enable the user to perform at least one of making a payment and receiving a payment in a networked system. The user payment account may be established for the user in response to a result of the underwriting process. Establishment information may be provided regarding the user payment account and the account identifier at the server location designated by the merchant application. The establishment information may include information regarding functionality available through use of the user payment account.