how get LABEL count in json

English:Fess
1

(from github.com/MajidSafari)
how get LABEL count result in json result

2

(from github.com/marevol)
Use facet.field:

 curl "https://search.n2sm.co.jp/json/search/?q=fess&facet.field=label"

facet_field is returned in the response.

3

(from github.com/MajidSafari)
tanx