| English | Bulgarian |
| application programming interface | Приложен програмен интерфейс (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) |
| Cryptography Application Programming Interface An (API) that is provided as part of Microsoft Windows. CryptoAPI provides a set of functions that allow applications to encrypt or digitally sign data in a flexible manner while providing protection for the user's sensitive private key data. Actual cryptographic operations are performed by independent modules known as (CSPs) | Приложен програмен интерфейс с шифроване (CAPI) |
| Internet Server Application Programming Interface | Приложен програмен интерфейс за Интернет сървър (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) |
| Messaging Application Programming Interface 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 | програмен интерфейс за съобщения (MAPI) |