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Speech Application Programming Interface, an API produced by Microsoft for Speech Recognition and Speech Synthesis

Server Application Programming Interface, the API used by PHP to interface with Web Servers

Small-arms protective insert, military ballistic protection

Systém automatického pořizování informací (system for automatic gathering of information): SAPI-1 was computer produced in former Czechoslovakia by Tesla since 1980, designed by Ing. Eduard Smutný and his brother. Based on Intel 8080 /2 MHz clone (and later Z80).