1. A system, comprising: a processor; one or more non-transitory computer readable media storing instructions translatable by the processor to perform: creating a package containing: a function call corresponding to a web service; and code associated with the function call, wherein the package is provided to a client computer communicatively coupled to the system over a network, wherein the code assists a client web site in: providing one or more function call parameters; making the function call to the web service running on a server computer remote from the client computer, wherein the package includes information that enables the client web site to properly format one or more input/output parameters and return values required by the function call; and presenting results of the function call through the client web site.