syntastic/syntax_checkers/json.vim

"============================================================================
"File:        json.vim
"Description: Figures out which json syntax checker (if any) to load
"             from the json directory.
"Maintainer:  Miller Medeiros <contact at millermedeiros dot com>
"License:     This program is free software. It comes without any warranty,
"             to the extent permitted by applicable law. You can redistribute
"             it and/or modify it under the terms of the Do What The Fuck You
"             Want To Public License, Version 2, as published by Sam Hocevar.
"             See http://sam.zoy.org/wtfpl/COPYING for more details.
"
" Use g:syntastic_json_checker option to specify which jsonlint executable
" should be used (see below for a list of supported checkers).
" If g:syntastic_json_checker is not set, just use the first syntax
" checker that we find installed.
"============================================================================

let s:supported_checkers = ["jsonlint", "jsonval"]
call SyntasticLoadChecker(s:supported_checkers, 'json')