| Subject | English | Italian |
| IT | Application Programming Interface | interfaccia per programma applicativo |
| IT | application programming interface | interfaccia per programmi applicativi |
| IT | application programming interface | interfaccia per la programmazione applicativa |
| comp., MS | application programming interface | Application Programming Interface (A set of routines that an application uses to request and carry out lower-level services performed by a computer's operating system. These routines usually carry out maintenance tasks such as managing files and displaying information) |
| comp., MS | Belastingdienst application programming interface | Belastingdienst Application Programming Interface (The technology that is used to interface with the tax office server for submitting electronic tax declarations in the Netherlands) |
| comp., MS | Windows Internet application programming interface | Windows Internet Application Programming Interface (A Windows application programming interface (API) that enables applications to interact with Gopher, FTP, and HTTP protocols to access Internet resources) |