1. A method comprising receiving, from a host, a request for embed code for a user application with an application programming interface; generating embed code comprising computer-readable instructions operative, when executed, to cause a host processor to: access one or more referenced media object attributes of a data object containing the embed code; interact with one or more remote server systems to retrieve one or more additional media objects associated with the one or more existing media object attributes; and render the one or more media objects within the context of the data object; and transmitting a response to the host, wherein the response includes the embed code.