Use an API to integrate with HipChat

We are wanting a PHP / Bash Script to pull the number of pending conversations from Crisp ([login to view URL]) and post it to a URL in Hipchat Send messages to this room by posting to this URL [login to view URL] OR curl -d '{"color":"green","message":"My first notification (yey)","notify":false,"message_format":"text"}' -H 'Content-Type: application/json' [login to view URL]