From Elektra Initiative

Elektra provides a full and carefully documented API that gets installed with the elektra-devel RPM.
You can also download it now or browse the documentation online.

Elektra man pages can be accessed online:

1. kdb.1: The kdb command man page. Describes the usage of the command used to administer Elektra's key database.
2. elektra.7: Discussion about what is the Elektra Initiative etc.
3. kdb.3: C API documentation for the KeyDB class. Browse the doxygen instead.
4. key.3: C API documentation for the Key class. Browse the doxygen instead.
5. keyset.3: C API documentation for the KeySet class. Browse the doxygen instead.