Looking for a Nagios API which suits my needs\expectations. Feel free to post them here if you know such.
https://github.com/Crapworks/RESTlos/ (read/write/python, JSON, use PyNag as backend, depends on Flask)
https://github.com/mclarkson/nagrestconf (high number of dependencies)
https://github.com/xb95/nagios-api (read only (parses status.dat)/python, JSON ==> not suitable due to read-only features)
http://adagios.org/
https://github.com/ageric/livestatus/tree/master/api (livestatus c++, perl, python API)
https://github.com/arthru/python-mk-livestatus (Python MK Livestatus parser)
https://github.com/ImmobilienScout24/livestatus_service / http://www.yadt-project.org/
https://github.com/KristianOellegaard/python-nagios-frontend
https://github.com/globocom/NagiosQL-API (NagiosQL Restful API, python/Django)
https://github.com/dmytro/nagira (Ruby Nagios RESTful API)
https://github.com/RECIA/nagios_mklivestatus (Ruby gem provides support to Nagios MkLiveStatus through an API)
https://github.com/sni/Monitoring-Livestatus (Livestatus Perl API to access runtime data from Nagios, Icinga and Shinken.)
List of APIs for Nagios at NagiosExchange:
http://exchange.nagios.org/directory/Addons/APIs