USAGE:

api.php?what=<search string>&where=<search field>&exact=[yes:no]

where search field is one of:

name
ethnicon
characterization
note
work
sub_work
book
casaubon_reference
kaibel_reference
note_reference

e.g.:

http://digitalathenaeus.org/tools/MeinekeIndexScriptorum/api.php?what=Homerus&where=Name&exact=yes
http://digitalathenaeus.org/tools/MeinekeIndexScriptorum/api.php?what=comicus&where=Characterization&exact=no