curl --request GET \
  --url https://web-api.clerk.chat/public/calls/{callId} \
  --header 'apiKey: <api-key>'

{
  "data": {
    "id": "00000000-0000-0000-0000-000000000000",
    "conversationId": "00000000-0000-0000-0000-000000000000",
    "userId": "00000000-0000-0000-0000-000000000000",
    "callerNumber": "+14155550123",
    "direction": "inbound",
    "callStatus": "completed",
    "callStatusReason": "hangup_participant",
    "callStartTime": "2021-01-01T00:00:00.000Z",
    "callEndTime": "2021-01-01T00:05:00.000Z",
    "summary": "<string>",
    "createdAt": "2021-01-01T00:00:00.000Z",
    "updatedAt": "2021-01-01T00:00:00.000Z"
  }
}