| English | Thesaurus |
| Abstract Windows Toolkit-Application Programmer Interface | AWTAPI (AWT, API, Java) |
| Business Application Programmer's Interface | BAPI (SAP, R/3, API) |
| Family Application Programmer Interface | FAPI (DOS, VDM, API) |
| Internet Server Application Programmer's Interface | ISAPI (MS, C/S, WWW, API) |
| Netscape Server Application Programmer's Interface | NSAPI (Netscape, WWW, C/S, API) |
| Programmer-Oriented Graphics Operation | POGO |
| Programmer's Distribution Network | PDN (Fido) |
| Programmer's Supplementary Documents | PSD (BSD, Unix) |
| Telephony Server Application Programmer Interface | TSAPI (AT&T, Novell, API) |
| Transaction Programmer's Reference Manual | TPRM (Sun) |