| Subject | English | Polish |
| IT | application programming interface | interfejs programowania aplikacji |
| IT | Application Programming Interface | interfejs programowania aplikacyjnego |
| comp., MS | Belastingdienst application programming interface | stosowany przez Holenderski Urząd Skarbowy interfejs programowania aplikacji (The technology that is used to interface with the tax office server for submitting electronic tax declarations in the Netherlands) |
| comp., MS | Generic Security Services Application Programming Interface | ogólny interfejs programowania aplikacji usług zabezpieczeń (A generic API for performing client-server authentication that can be implemented over any authentication system. GSS-API makes it possible for applications to use the same API with different authentication mechanisms) |
| comp., MS | Internet Server Application Programming Interface | ISAPI (An application programming interface (API) that resides on a server computer for initiating software services tuned for Windows operating systems. In Microsoft Provisioning System, ISAPI resides on the Web server) |
| comp., MS | Messaging Application Programming Interface | MAPI (A messaging architecture that enables multiple applications to interact with multiple messaging systems across a variety of hardware platforms. MAPI is built on the Component Object Model (COM) foundation) |