1. A method, comprising: determining, by a conversion tool, at least one specific data associated with an interface of a service of a first application, the determining comprising retrieving metadata associated with the service of the first application, the metadata describing the at least one specific data; and automatically generating, by the conversion tool, a data context for use in requesting the service from the first application, the data context comprising at least one data field for storing the at least one specific data associated with the interface of the service.