1. A computer-implemented method of providing user account data, the computer-implemented method comprising: by one or more hardware processors executing program instructions: receiving, from a first computing device, information associated with an authorization request, wherein the information includes at least: account credentials associated with one or more user accounts; generating at least: an electronic record of the information, and a token associated with the electronic record; providing the token to the first computing device; receiving, from a second computing device, at least: the token, and a request for user account data associated with at least one of the one or more user accounts; and providing, to the second computing device and based on the account credentials, user account data associated with the at least one of the one or more user accounts.