CAPI

CAPI is an acronym for:

Application Programming Interface for Calendar. Calendar is made by Steltor and is the same calendar that is included with earlier versions of Netscape.
Communications Application Programming Interface a part of the ISDN communications protocol.
Computer Assisted Personal Interviewing a surveying technique that uses a computer based questionnaire.
Cryptographic Application Programming Interface is an interface to a library of functions software developers can call upon for security and cryptography services.