curl -H "Date: Mon Jun 6 13:50:50 ART 2016" \
-H "Authorization: oi2u987c89qwkhje2k1" \
-H "Content-Type: application/json" \
"127.0.0.1:9001?do=api"===
curl -X POST \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
-d '{ "client_id": 1 }' \
'http://api.site.com/categories'