curl --request GET \
  --url https://api.qminder.com/v1/tickets/{id}/messages \
  --header 'X-Qminder-REST-API-Key: <api-key>'

"{\n  \"statusCode\": 200,\n  \"messages\": [\n    {\n      \"created\": {\n        \"date\": \"2017-04-12T16:27:57Z\"\n      },\n      \"body\": \"It's your turn!\",\n      \"type\": \"OUTGOING\",\n      \"status\": \"SENT\",\n      \"userId\": 15000\n    },\n    {\n      \"created\": {\n        \"date\": \"2017-04-17T11:50:13Z\"\n      },\n      \"body\": \"Thank you!\",\n      \"type\": \"INCOMING\",\n      \"status\": \"NEW\"\n    }\n  ]\n}"