| Subject | Finnish | English |
| comp., MS | Accessin verkkopalvelu-API | Access Web Services API (An API that provides programmatic access to the capabilities on SharePoint) |
| IT | API-rajapinta | applications programmer interface |
| gen. | API-tiedot | advance passenger information |
| energ.ind., el. | API-tiheys | API gravity |
| comp., MS | Crypto API -diagnostiikka | Crypto API Diagnostics (A utility that can only be enabled by an administrator and which logs events associated with an applications use of certificates) |
| comp., MS | Ilmoitus-API | Notification API (A Windows API that is used for sending user notifications to the system, such as telling the system that the user is busy. It provides intelligence regarding when to draw a notification or perform some other custom action, and mechanisms for anchoring these notifications around the system) |
| energ.ind., el. | raakaöljyn API-tiheys | API gravity |
| comp., MS | Web Worker API | web worker API (The API that defines a way to run scripts in the background. Web Workers are specified in the World Wide Web Consortium (W3C)'s Web Workers specification) |