1. A method for allowing services to access data stored at an intermediary, the method comprising the computer-implemented steps of: receiving, at the intermediary in response to a first request from an end user, first output from a first service, wherein said first output includes one or more variables; inspecting a mapping that maps a plurality of variables to a plurality of data values, wherein said plurality of variables includes said one or more variables; identifying, based on said mapping, one or more data values stored on a server associated with said intermediary, wherein said one or more data values correspond to said one or more variables; generating, in response to said first request, a reply based on said first output and said one or more data values that correspond to said one or more variables; and sending said reply to said end user in response to said first request.