curl --request GET \
  --url https://api.open.cx/chat/sessions/search \
  --header 'Authorization: Bearer <token>'

{
  "contacts": [
    {
      "id": "<string>",
      "name": "<string>",
      "email": "<string>",
      "phone": "<string>"
    }
  ],
  "messages": [
    {
      "id": "<string>",
      "session_id": "<string>",
      "message": "<string>",
      "type": "<string>"
    }
  ]
}