| Subject | English | Thesaurus |
| abbr. | AT attachment software programming interface | advanced technology attachment software programming interface (ssn) |
| progr. | AT attachment software programming interface | ATA software programming interface (ssn) |
| IT, abbr. | Cryptography Application Programming Interface | CAPI (Verschluesselung, API) |
| comp., MS | Cryptography Application Programming Interface | CryptoAPI (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)) |
| telecom., abbr. | Message Application Programming Interface | MAPI |