To call this service please POST your message in the format bellow to '/send'

{
  "message": "hello Crawler :+1:",
  "team": "crawlo",
  "channel": "managers",
  "isTeam": false
}

------------------

{
  "message": "hello @channel :+1:",
  "team": "crawlo",
  "channel": "general",
  "isTeam": true
}