curl --request GET \
  --url https://api.smarterproctoring.com/v1/installs/{installSid}/reports/churn \
  --header 'token: <api-key>'

{
  "total": 123,
  "first": "<string>",
  "next": "<string>",
  "prev": "<string>",
  "last": "<string>",
  "count": 123,
  "offset": 123,
  "results": [
    {
      "courseTitle": "<string>",
      "examSid": "<string>",
      "examTitle": "<string>",
      "examType": "<string>",
      "userSid": "<string>",
      "enrollmentSid": "<string>",
      "firstName": "<string>",
      "lastName": "<string>",
      "email": "<string>",
      "preferredEmail": "<string>",
      "homePhone": "<string>",
      "mobilePhone": "<string>",
      "currentSessionSid": "<string>",
      "currentStatus": "<string>",
      "cancelled": true,
      "closed": true
    }
  ]
}