curl --request POST \
  --url http://127.0.0.1:3333/v3/sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "botId": "<string>",
  "bot": "<unknown>",
  "sessionId": "<string>",
  "isPreview": true,
  "channel": "web",
  "prefilledVariables": {},
  "resultId": "<string>",
  "isStreamEnabled": true,
  "isOnlyRegistering": true,
  "textBubbleContentFormat": "richText",
  "startFrom": "<unknown>",
  "message": "<unknown>",
  "origin": "<string>",
  "iframeReferrerOrigin": "<string>"
}
'

{
  "result": {
    "id": "<string>",
    "isCompleted": true
  },
  "resultId": "<string>",
  "sessionId": "<string>",
  "bot": "<unknown>",
  "messages": [
    "<unknown>"
  ],
  "input": "<unknown>",
  "lastMessageNewFormat": "<string>",
  "dynamicTheme": "<unknown>",
  "logs": [
    "<unknown>"
  ],
  "clientSideActions": [
    "<unknown>"
  ],
  "progress": 123,
  "hasReachedLimit": true,
  "error": "<string>"
}